M25 junction 10

Latest updates

• 29 April 2025

  Contraflow and weekend closures: May 2025

  Contraflow on the A3

  From 6am on Wednesday 7 May, a contraflow system will be in operation on the north and southbound A3 between the M25 Junction 10 and the Ockham Park roundabout. 

  The contraflow means we can keep three-lanes running in both directions while we widen this stretch of the A3. 

  On the northbound side of the A3 there will be three lanes for northbound traffic and one lane for southbound traffic. On the southbound side there will be two running lanes for southbound traffic. The contraflow will be in operation 24/7 until the end of the year. 

  HGV’s drivers please note - if you’re travelling on the northbound A3, you are not permitted to use lane 3. 

  If travelling on the southbound A3, the following lane designations will be in place once you’ve passed the M25 exit:

  • The inside lane (Lane 1) will be for HGVs and traffic wishing to exit at Ockham Park roundabout (including RHS Wisley visitors), and traffic wishing to remain on the A3 towards Guildford.
  • The middle lane (Lane 2) will be for non-HGV traffic only who wish to stay on the southbound A3 towards Guildford. If you’re in this lane you will not be able to exit at Ockham Park Roundabout.

  Southwest quadrant slip road closures full weekend closure 9-12 May 

  We'll be closing the northbound A3 exit slip road, and the clockwise (westbound) M25 entry slip road from 9pm on Friday 9 May to 6am Monday 12 May 2025.

  During this time, you won’t be able to leave the northbound A3 or enter the clockwise (westbound) M25 entry at junction 10.

  A3 exit slip road, and the clockwise (westbound) M25 entry slip road closure map 

  The A3 and M25 will remain open, as will all other slip roads, and the possible movements through the gyratory will be:

  • You will still be able to leave the clockwise (westbound) M25 to join the A3 in either direction.
  • You will still be able to leave the anticlockwise (eastbound) M25 to join the A3 in either direction.  
  • You will be able to leave the southbound A3 to join the anticlockwise (eastbound) M25. 

  Diversion routes

  Northbound A3 to M25 (either direction)

  • Traffic will be diverted up to the Painshill exit to return on the southbound A3 where they can exit at junction 10. 

  Entry to the clockwise (westbound) M25 

  • Traffic will be diverted onto the anticlockwise (eastbound) M25 to travel to junction 9 to then return on the clockwise (westbound) M25. 

  Wisley interchange junction 10 closure – 16 -19 May 

  The Wisley interchange junction 10, including all entry and exit slip roads, will be closed in its entirety from 9pm on Friday 16 May to 6am Monday 19 May 2025. 

  While the A3 and the M25 will both remain open, the slip roads off and on the junction won’t be, meaning you won’t be able to leave or join the M25 or the A3 at junction 10.

  This closure is to allow us to carry out the final resurfacing works on the gyratory and will be our last planned full weekend closure of the Wisley Interchange junction 10.  

  Please think about how this closure will affect your journeys and what alternative routes you should take.  

  This may include using the M3, M23 or A24 to get on to the M25 from the south or using the A316/M3, A23/M23 or the A24 to get on the M25 from London or the north of Surrey.

  Diversion routes

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3:

  If you're travelling eastbound on the M25 and want to leave the M25 and join the A3 to travel either north or south:

  • Leave the M25 at Junction 11
  • follow the A320 towards the six crossroads roundabout Junction with the A245  Woking, (Approximately 3.6 miles)
  • then pick up the A245 to Sheerwater, West Byfleet and Byfleet (Approximately 5.7 miles) to access the A3 north or south at the Painshill Junction. 

  M25 east diversion route map

  M25 travelling westbound (towards Heathrow), to continue north on the A3: 

  If you're travelling westbound on the M25 and want to leave the M25 and Join the A3 to travel north:

  • Leave at junction 9 and follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (Approximately 2.1 miles), then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (Approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (Approximately 0.6 miles). 

  M25 west diversion to A3 north route map

  M25 travelling westbound (towards Heathrow), to continue south on the A3: 

  If you're travelling westbound on the M25 and want to leave the M25 and Join the A3 to travel south:

  • Leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (Approximately 3.6 miles)
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (Approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (Approximately 2.1 miles). 

  M25 west diversion to the A3 south route map

  A3 travelling southbound (towards Guildford), to continue east on M25: 

  If you're travelling southbound on the A3 and want to continue your journey East on the M25:

  • Leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (Approximately 0.6 miles)
  • then take the 1st exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (Approximately 4.5 miles),
  • then take the  2nd exit onto the A309 Kingston Bypass up to the A3 Hook Junction (Approximately 2.1 miles).
  • at Hook Junction take the 2nd exit to the A243 towards Hook and Malden Rushett and Join the M25 at Junction 9 (Approximately 5.3 miles). 

  A3 south to the M25 east route map

  A3 travelling southbound (towards Guildford), to continue west on M25:

  If you're travelling southbound on the A3 and want to continue your journey west on the M25:

  • Leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (Approximately 5.7 miles),
  • Take the 5th exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 south diversion to the M25 west route map

  A3 travelling north (towards London), to continue east on M25: 

  If you're travelling northbound on the A3 and want to leave the A3 and join the M25 to travel east:

  • Leave the A3 at Send onto the B2215, at the roundabout take the 3rd exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (Approximately 2.4 miles).
  • Turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (Approximately 8.5 miles)
  • then take the 2nd exit to the A24 Leatherhead bypass and continue to the roundabout Junction with the A24 taking the 2nd exit to The 243 (Approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (Approximately 1.3 miles). 

  A3 travelling northbound (towards London), to continue west on M25:

  If you're travelling northbound on the A3 and want to continue your journey west on the M25:

  • Leave the A3 at Send onto the B2215, at the roundabout take the 1st exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (Approximately 2.1 miles)
  • taking the 2nd exit to the B382 High Street continue onto the B382 Old Woking Road and continue to the roundabout Junction with the A245 (Approximately 2.9 miles)
  • taking the 1st exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the 5th exit to the A320 Chertsey road (Approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (Approximately 3.6 miles). 

  A3 north to M25 west route map

  There may be delays on these diversion routes, so please plan your journey in advance. 

• 17 April 2025

  April closures

  Tuesday 22 April to Friday 25 April 2025

  There will be lane closures on the clockwise (westbound) M25 between junctions 9 and 11 from:

  • 10pm to 5.30am Tuesday to Thursday
  • 11pm on Friday 25 April until 6am on Saturday 26 April 2025

  The M25 will remain open. 

  Tuesday 22 April and Wednesday 23 April 2025

  Wisley Lane will be closed between Ockham Park roundabout and the entrance to RHS Wisley from:

  • 8pm to 6am on both nights

  Diversion: traffic will be diverted from Ockham Roundabout via the B2215 Portsmouth Rd, Newark Lane, Warren Lane, Lock Lane, and Wisley Lane. The diversion will be the same in both directions. 

  Tuesday 22 April to Friday 25 April 2025

  The A3 will be closed in BOTH directions between the M25 junction 10 and the B2215 at Send from:

  • 10pm to 5.30am Tuesday to Thursday
  • 11pm on Friday 25 April until 6am on Saturday 26 April 2025

  Southbound A3 diversion: Traffic will be diverted via the anticlockwise (eastbound) M25 to junction 9, then via the A243, A24, A246, A247 to re-join the southbound A3 at the Send interchange.

  Northbound A3 diversion: Traffic will be diverted via the B2215, A247, A246, A24, A243, to then join the westbound (clockwise) M25 at junction 9, to rejoin northbound A3 at junction 10

  ---

  Earlier closures

  In April, we have a full weekend closure of the A3.

  We also have planned closures on other roads during April.

  9pm Friday 11 to  6am Monday 14 April - A3 full weekend closure

  We'll close the A3 in both directions between Junction 10 and Painshill Roundabout/A245.

  The closure will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  Diversions

  Main A3 northbound and non-motorway diversion

  • leave the A3 at Send interchange
  • join A247 southbound to Clandon crossroads
  • join the A246 eastbound to Givons Grove Roundabout
  • join A24 eastbound to M25 junction 9
  • continue northbound on the A243 to Hook
  • join A309 westbound (Kingston Bypass) to the Scilly isles roundabout
  • join the A307 southbound to Cobham and then continue westbound on the A245 to Painshill

  Main A3 northbound and non-motorway diversion map.

  M25 diversion

  From M25 J10, join the M25 eastbound to junction 9. Then follow the route for A3 northbound and non motorway diversion.

  M25 diversion map.

  Main A3 southbound diversion

  • leave the A3 southbound at Hook interchange
  • join the A243 southbound to M25 junction 9
  • continue south on the A24 to Givons Grove Roundabout
  • continue westbound on the A246 to Clandon crossroads
  • then head northbound on the A247 to re-join the A3 at Send

  Main A3 southbound diversion map.

  Diversion from Painshill Roundabout for M25 east

  • take the A245 eastbound
  • join the A307 northbound at Cobham to Scilly Isles Roundabout
  • continue eastbound on the A309 (Kingston Bypass) to Hook Interchange
  • join the A243 southbound to M25 junction 9

  Diversion from Painshill roundabout for M25 west

  • take the A245 westbound through Byfleet
  • join the A320 at Six Crossroads Roundabout to M25 junction 11

  Diversion from Painshill roundabout for M25 west map.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England. Our travel alerts give details of live incidents on our network.

• 26 March 2025

  M25 junctions 9 to 10 overnight Friday 28 and Saturday 29 March

  We'll close the M25 in both directions between junctions 9 and 10 overnight on:

  • 9pm Friday 28 March to 6am Saturday 29 March
  • 9pm Saturday 29 March to 6am Sunday 30 March

  Diversions

  Eastbound (anticlockwise)

  You'll be diverted off the M25 at junction 10:

  • to the northbound A3
  • then by the A245, A307, A309, and A243
  • to rejoin the M25 at junction 9.

  Westbound (clockwise)

  You'll be diverted off the M25 at junction 8:

  • to join the A217
  • then  by the A240, A24 and A240 to Tolworth
  • at Tolworth, join the southbound A3
  • rejoin the M25 at junction 10.  

  Over height vehicles

  You'll be diverted off the M25 at junction 9:

  • to travel north on the A243 to A3 Hook junction
  • join the A309, A307, A245, then the A245 to A3 Painshill junction
  • at Painshill junction, join the southbound A3
  • rejoin the M25 at junction 10

  Cobham services

  We'll maintain access to Cobham services for employees and hotel guests only.

  Other traffic management

  Find out more about other planned traffic management up to 29 March (on A3, Wisley Lane and A245).

• 24 March 2025

  We've completed our final full weekend closure of the M25

  We reopened the M25 between junctions 10 to 11 at 5.30am this morning after successfully completing demolition works.

  Friday 11 to Monday 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Painshill Roundabout/A245.

  The closure will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to the weekend.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England site. Our travel alerts give details of live incidents on our network.

• 12 March 2025

  Our final full weekend closure is 21 to 24 March - M25 junction 10 to 11

  We'll close the M25 from junction 10 (Wisley) to 11 (A320 Chertsey) from 9pm Friday 21 March and re-open it by 6am Monday 24 March.

  Once again, we need to close the motorway for bridge demolition.

  We're urging drivers to think carefully about travel plans during this closure

  There was more traffic on our diversion during our last full closure (7-10 March) than on similar closures last year.

  If you’re travelling around Surrey between 21 and 24 March, please:

  •  only use the motorway and surrounding roads if your journey is absolutely necessary
  • allow extra time and use alternative routes where possible
  • make sure you follow our official diversions, not information from sat-navs.

  Diversion

  The local diversion route is the same for both directions:

  Junction 10 to junction 11 - clockwise

  If you’re travelling clockwise:

  • you’ll be diverted from the M25 at junction 10 to join the A3 northbound
  • at Painshill, take the A245, then the A320
  • rejoin the M25 at junction 11

  Junction 11 to Junction 10 - anticlockwise

  If you’re travelling anticlockwise:

  • you’ll be diverted from the M25 at junction 11 to join the A320 southound
  • then take the A245 to Painshill
  • at Painshill, take the A3 southbound to rejoin the M25 at junction 10

  Avoiding the closure by taking the M25 via the Dartford Crossing may also be quicker.

  M25 junction 10 to 11 diversion map.

  11 to 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Painshill Roundabout/A245.

  The closure will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to the weekend.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England. Our travel alerts give details of live incidents on our network.

• 10 March 2025

  We've completed our first full M25 closure of 2025

  We reopened the M25 between junctions 10 to 11 at 1.30am today after successfully completing demolition works.

  Our second full weekend closure - 21 to 24 March - M25 junction 10 (Wisley) to 11 (A320 Chertsey)

  We'll close the M25 from junction 10 (Wisley) to 11 (A320 Chertsey) from 9pm Friday 21 March and re-open it by 6am Monday 24 March.

  Once again, we need to close the motorway for bridge demolition.

  Only travel if necessary

  We’re grateful to all drivers who avoided previous closures and completed their journeys in other ways. We urge you to do the same again.

  If you do travel, expect delays and please leave a lot of extra time for your journey.

  Diversion

  The local diversion route is the same for both directions:

  Junction 10 to junction 11 - clockwise

  If you’re travelling clockwise:

  • you’ll be diverted from the M25 at junction 10 to join the A3 northbound
  • at Painshill, take the A245, then the A320
  • rejoin the M25 at junction 11

  Junction 11 to Junction 10 - anticlockwise

  If you’re travelling anticlockwise:

  • you’ll be diverted from the M25 at junction 11 to join the A320 southound
  • then take the A245 to Painshill
  • at Painshill, take the A3 southbound to rejoin the M25 at junction 10

  Avoiding the closure by taking the M25 via the Dartford Crossing may also be quicker.

  M25 junction 10 to 11 diversion map.

  11 to 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Painshill Roundabout/A245.

  The closure will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to the weekend.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England. Our travel alerts give details of live incidents on our network.

• 28 February 2025

  We're approaching our first M25 full weekend closure of 2025

  We'll close the M25 from junction 10 (Wisley) to 11 (A320 Chertsey) from 9pm Friday 7 March and re-open it by 6am Monday 10 March.

  We need to close the motorway for bridge demolition.

  Only travel if necessary

  We’re grateful to all drivers who avoided previous closures and completed their journeys in other ways. We urge you to do the same again.

  If you do travel, expect delays and please leave a lot of extra time for your journey.

  Diversion

  The local diversion route is the same for both directions:

  Junction 10 to junction 11 - clockwise

  If you’re travelling clockwise:

  • you’ll be diverted from the M25 at junction 10 to join the A3 northbound
  • at Painshill, take the A245, then the A320
  • rejoin the M25 at junction 11

  Junction 11 to Junction 10 - anticlockwise

  If you’re travelling anticlockwise:

  • you’ll be diverted from the M25 at junction 11 to join the A320 southound
  • then take the A245 to Painshill
  • at Painshill, take the A3 southbound to rejoin the M25 at junction 10

  Avoiding the closure by taking the M25 via the Dartford Crossing may also be quicker.

  M25 junction 10 to 11 diversion map.

  Our next full weekend closure - 21 to 24 March - M25 junction 10 (Wisley) to 11 (A320 Chertsey)

  We'll close the M25 between junctions 10 and 11 again from 9pm Friday 21 and re-open it by 6am Monday 24 March.

  Once again, we need to close the motorway for bridge demolition.

  Diversions will be the same as the 7 to 10 March closure.

  11 to 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Painshill Roundabout/A245.

  The closure will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to the weekend.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England. Our travel alerts give details of live incidents on our network.

• 27 February 2025

  A3 south of M25 junction closure - Saturday 1 to Sunday 2 March (one night only)

  To pour concrete at Cockrow bridge, we'll need to close the A3 in both directions from the junction 10 interchange and the B2215/A247 at Send.

  We'll close the road at 9pm Saturday 1 March and open it by 9am Sunday 2 March.

  Diversions

  Signed diversions will be in place:

  Southbound A3 main diversion

  By eastbound (anticlockwise) M25 to junction 9, A243, A246, A247 to rejoin the southbound A3.

  Southbound A3 non-motorway diversion

  By northbound A3, A245, A307, A309, A243, A246, A247 to rejoin the southbound A3.

  Northbound A3 main diversion

  By B2215, A247, A246, A24, A243, join westbound (clockwise) M25 at junction 9, rejoin northbound A3 at junction 10.

  Northbound A3 non-motorway diversion

  By B2215, A247, A246, A24, A243, A307, A245 to rejoin the northbound A3 at the Painshill junction.

  Weekend closures in March and April

  Here's what we're doing and when:

  7 to 10 March and 21 to 24 March - M25 junction 10 (Wisley) to 11 (Woking) full weekend closures

  We need these weekend closures to demolish and remove old bridges. They'll take place from:

  • Friday 7 March - Monday 10 March
  • Friday 21 March - Monday 24 March

  11 to 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Cobham Roundabout/A245.

  All closures will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to each weekend.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England. Our travel alerts give details of live incidents on our network.

• 14 February 2025

  Weekend junction 10 gyratory closure starts 9pm Friday 21 February

  We'll close all slip roads on and off M25 junction 10 at 9pm Friday 21 February and reopen them by 6am Monday 24 February.

  During this gyratory closure:  

  • the A3 and M25 will both remain open
  • you will only be able to drive through the junction
  • you won’t be able to leave or join either the A3 or the M25 as you normally would
  • diversions will be in place for local residents and businesses.  

  The A3 Northbound off slip to the Painshill Junction A245 has been reopened for the weekend to allow traffic to access the Painshill Junction. 

  Diversions

  We're operating the following diversions while the gyratory is closed.

  • M25 travelling eastbound (towards Gatwick), to continue north or south on the A3
  • M25 travelling westbound (towards Heathrow), to continue north on the A3
  • M25 travelling westbound (towards Heathrow), to continue south on the A3
  • A3 travelling southbound (towards Guildford), to continue west on M25
  • A3 travelling southbound (towards Guildford), to continue east on M25
  • A3 travelling north (towards London), to continue east on M25
  • A3 travelling northbound (towards London), to continue west on M25

  While the Ultra Low Emission Zone across London will remain in force during these closures, the signed diversion routes have been designed to ensure that drivers would avoid any charges. Drivers are therefore advised to follow the signed diversion route or check whether their vehicle would be subject to charges at the Transport for London website.

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3.

  • leave the M25 at Junction 11
  • follow the A320 towards the Six Crossroads roundabout junction with the A245  Woking, (approximately 3.6 miles)
  • take the A245 to Sheerwater, West Byfleet and Byfleet (approximately 5.7 miles) to join the A3 north or south at the Painshill Junction.

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3 diversion route map.

  M25 travelling westbound (towards Heathrow), to continue north on the A3

  • leave the M25 at junction 9
  • follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (approximately 2.1 miles)
  • then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (approximately 0.6 miles)

  M25 travelling westbound (towards Heathrow), to continue north on the A3 diversion route map.

  M25 travelling westbound (towards Heathrow), to continue south on the A3

  • leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (approximately 3.6 miles).
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (approximately 2.1 miles)

  M25 travelling westbound (towards Heathrow), to continue south on the A3 diversion route map.

  A3 travelling southbound (towards Guildford), to continue west on M25

  • leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (approximately 5.7 miles)
  • Take the fifth exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 travelling southbound (towards Guildford), to continue west on M25 diversion route map.

  A3 travelling southbound (towards Guildford), to continue east on M25

  • leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (approximately 0.6 miles)
  • take the first exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (approximately 4.5 miles)
  • take the  second exit onto the A309 Kingston Bypass up to the A3 Hook Junction (approximately 2.1 miles)
  • at the Hook Junction take the second exit to the A243 towards Hook and Malden Rushett and join the M25 at Junction 9 (approximately 5.3 miles)

  A3 travelling southbound (towards Guildford), to continue east on M25 diversion route map.

  A3 travelling north (towards London), to continue east on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the third exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (approximately 2.4 miles)
  • turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (approximately 8.5 miles)
  • then take the second exit to the A24 Leatherhead bypass and continue to the roundabout junction with the A24 taking the second exit to the A243 (approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (approximately 1.3 miles)

  A3 travelling north (towards London), to continue east on M25 diversion route map.

  A3 travelling northbound (towards London), to continue west on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the first exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (approximately 2.1 miles)
  • take the second exit to the B382 High Street and continue onto the B382 Old Woking Road then continue to the roundabout Junction with the A245 (approximately 2.9 miles)
  • take the first exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the fifth exit to the A320 Chertsey road (approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (approximately 3.6 miles).

  A3 travelling northbound (towards London), to continue west on M25 diversion route map.

  There may be delays on these diversion routes, so please plan your journey in advance.

  Weekend closures in March and April

  Here's what we're doing and when:

  7 to 10 March and 21 to 24 March - M25 junction 10 (Wisley) to 11 (Woking) full weekend closures

  We need these weekend closures to demolish and remove old bridges. They'll take place from:

  • Friday 7 March - Monday 10 March
  • Friday 21 March – Monday 24 March

  11 to 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Cobham Roundabout/A245.

  All closures will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to each weekend.

• 10 February 2025

  We have road closures from February to April as our project moves towards completion

  Our work in the coming months includes shutting the motorway for two full weekends in March 2025, as we did on three occasions last year.

  Here's what we're doing and when:

  21 to 24 February - M25 junction 10 slip road closures

  We'll close all junction 10 entry and exit slips.
  
  You'll be able to travel on the M25 through the junction, but you won't  be able to join or leave it.

  7 to 10 March and 21 to 24 March - M25 junction 10 (Wisley) to 11 (Woking)  full weekend closures

  We need these weekend closures to demolish and remove old bridges. They'll take place from:

  • Friday 7 March - Monday 10 March
  • Friday 21 March – Monday 24 March

  11 to 14 April - A3 closure

  We'll close the A3 in both directions between Junction 10 and Cobham Roundabout/A245.

  All closures will start at 9pm on Friday evening and be lifted by 6am on Monday morning.

  We'll add details and diversion routes to this page closer to each weekend.

   

• 19 December 2024

  January full A3 weekend closure - 9pm Friday 17 to 6am Monday 20 January

  We'll be closing the A3 in both directions for the weekend of 17-20 January 2025. The closure will start at 9pm on Friday 17 January and will go through until 6am on Monday 20 January. 

  The closed stretch is south of the M25 and will be between the junction 10 interchange and Send B2215/A247. 

  We’re closing so we can install Cockcrow Bridge which will be the UK’s first heathland bridge

  Diversion

  The diversion route to go southbound during the closure will be via Cobham, Chessington, Great Bookham and Effingham, rejoining the A3 at Send.

  Meanwhile to travel northbound the diversion route will be via East Clandon, Effingham, Fetcham and then onto the M25 towards Wisley.

  Please keep an eye on this page which we'll update with further details and with any change of plan. 

• 08 November 2024

  Wisley Lane bridge opens from Monday 11 November

  From this Monday Wisley Lane bridge over the A3 will be open. The new one mile stretch will help improve access and journeys along Wisley Lane, to Wisley Village and onwards to Woking. This stretch of road will also provide access to the RHS Wisley Gardens.

  Drivers wishing to access the gardens should use the new Wisley Lane from 11 November, turning on the left between the A3 southbound off slip road and Ockham Lane North (B2039) then onto and across the new Wisley Bridge, following the brown signs. 

• 01 November 2024

  November milestones

  The M25 Junction 10 improvement project reaches not one, but two big milestones this coming month.

  This weekend sees the installation of the longest bridge on the project Clearmount bridge. It’s being lifted into place tomorrow night (Saturday 2 November) – so the M25 will be closed between junctions 10 and 11 from 9pm until 10am Sunday morning. 

  The original Clearmount bridge was demolished back in March, when we closed the M25 for the the first time this year.

  The other big news for November is that Wisley Lane bridge across the A3 will open on 11 November.

  It means we are closing the existing access both off and onto the A3 at Wisley Lane permanently and opening the new safer Wisley Lane bridge.

  If you’re travelling southbound on the A3 access to Wisley - including RHS Wisley - will be via the new Wisley Lane turning on the left between the A3 southbound off slip road and Ockham Lane North (B2039) then onto and across the new Wisley Bridge.

  If you’re travelling northbound on the A3 access to Wisley will be via the M25 junction 10 gyratory to turnaround and travel southbound following the instructions as above.

   

• 25 October 2024

  Closures on Saturday 2 November

  Our gyratory work at junction 10 - which involved closing slip roads on and off the junction for two full weekends this month went extremely well and we thank everyone for taking notice of our warnings about using the junction differently during our weekend work.

  Even better news is we no longer need to close slip roads off and onto the junction for a third full weekend on 2 November.

  We will however still need to close the M25 between junctions 10 and 11 overnight on Saturday 2 November, so we can complete significant bridge work. This is a longer overnight closure than usual with the M25 shutting at 9pm on Saturday 2 November and reopening at 10am the following morning. Please factor this into your weekend journeys. Also please note this overnight closure involves both directions of the M25, and all slip roads on and off the M25 between junctions 10 and 11.

  Our night closure on 2 November is to install the new Clearmount footbridge over the M25, the longest bridge on our project, so an exciting feature to complete on our scheme.

  Upcoming closures: Week commencing Monday 28 October

  A3 Northbound closure 28 October – 1 November

  There will be overnight closures between 10pm and 5.30am Monday 28 October to Thursday 31 October. The A3 northbound carriageway will be closed at M25 Junction 10. Traffic will be diverted via the exit slip via the roundabout rejoining the A3 northbound using the entry slip from the Junction 10 gyratory.
   
  A3 Southbound closure 28 October – 1 November

  There will be overnight closures between 10pm and 5.30am Monday 28 October to Thursday 31 October. The A3 Southbound carriageway will be closed between M25 Junction 10 and the A247 Send. Traffic will be diverted via the M25 Eastbound to Junction 9, then southbound via the A243, continue onto the A24 to Givons Grove Roundbaout and join the A246 Westbound, then turn northbound on the A247 and re-join the A3 at Send.

  The A3 Southbound carriageway will be closed overnight at the M25 Junction 10 between 11pm and 6am Friday 1 November. Diversion is the same as above

  Ockham roundabout works 28 October to 30 October

  There will be overnight closures between10pm and 5.30am Monday 28 October to Wednesday 30 October. Ockham roundabout will be partially closed to allow for works to open the new Wisley lane access road. All traffic leaving Ripley village will be diverted onto the A3 northbound. Ockham Road North will also be closed at the junction with Guilleshill Road.

  Diversions

  Ockham Road North traffic to travel southbound on B2039 onto Ockham Rd South via A246 the A247 to B2215 via Ripley to Ockham Roundabout:

  Traffic leaving Ripley and travelling to Ockham Road North will join the A3 Northbound to the M25 Junction 10, then join the main diversion for the A3 Southbound to East Horsley and head Northbound on the B2039 Ockham Road South.

  A245 Overnight closure: 29 October - 30 October 

  There will be overnight closures between 10pm and 5.30am, Tuesday 29 October and Wednesday 30 October. The A245 will be closed in both directions between Painshill roundabout and Seven Hills Road.

  Diversion
   
  The diversion is via the B365 Seven Hills Rd, towards the A317 Queens Road, onto the A244 Esher Road, along Lammas Lane, the onto the A307 Portsmouth Road in both directions.

  A245 Old Byfleet Road Monday 28 October to 4 November

  On Monday 28 October at 9:30am Old Byfleet road will be closed at the junction with the A245. This will restrict access to Feltonfleet school, however we will provide limited, escorted access where required.

  From Monday 4 November, access to Old Byfleet Road/FeltonFleet school from the A245 Westbound will remain as per previous arrangements, (see above), however traffic movements will be via a newly constructed exit road which joins Seven Hills Road South. This will become the permanent arrangement for all traffic leaving.

  A245 Byfleet Road Sunday 3 November to Monday 4 November

  On Sunday 3 November from 8am overnight to Monday 4 November at 6am temporary traffic signals will be installed on the junction of A245 Byfleet Road and Seven Hills Road.

• 16 October 2024

  M25 junction 10 gyratory closures - 17 October and 18 to 21 October

  M25 junction 10 gyratory overnight closure - 17 October

  We'll close the on and off slip roads on the junction 10 gyratory overnight (10pm to 5.30am) on Thursday 17 October.

  This is in readiness for the main weekend closure.

  M25 Junction 10 gyratory weekend closure - 18 October to 21 October

  We’ll close the on and off slips on the junction 10 gyratory from Friday 18 October 9pm to Monday 21 October 6am.

  During both these gyratory closures: 

  • the A3 and M25 will both remain open during these times
  • you will only be able to drive through the junction
  • you won’t be able to leave or join either the A3 or the M25 as you normally would
  • local diversions will be in place for local residents and businesses. 

  The A3 Northbound off slip to the Painshill Junction A245 has been reopened for the weekend to allow traffic to access the Painshill Junction.

  Diversions

  While the Ultra Low Emission Zone across London will remain in force during these closures, the signed diversion routes have been designed to ensure that drivers would avoid any charges. Drivers are therefore advised to follow the signed diversion route or check whether their vehicle would be subject to charges at the Transport for London website.

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3.

  • leave the M25 at Junction 11
  • follow the A320 towards the Six Crossroads roundabout Junction with the A245  Woking, (approximately 3.6 miles)
  • take the A245 to Sheerwater, West Byfleet and Byfleet (approximately 5.7 miles) to join the A3 north or south at the Painshill Junction.

  M25 travelling eastbound (toward Gatwick) to continue north or south on the A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue north on the A3

  • leave the M25 at junction 9
  • follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (approximately 2.1 miles)
  • then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (approximately 0.6 miles)

  M25 travelling westbound (towards Heathrow) to continue north on A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue south on the A3

  • leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (approximately 3.6 miles).
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (approximately 2.1 miles)

  M25 travelling westbound (towards Heathrow), to continue south on the A3 diversion map.

  A3 travelling southbound (towards Guildford), to continue west on M25

  • leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (approximately 5.7 miles)
  • Take the fifth exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 travelling southbound (towards Guildford), to continue west on M25 diversion map.

  A3 travelling southbound (towards Guildford), to continue east on M25

  • leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (approximately 0.6 miles)
  • take the first exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (approximately 4.5 miles)
  • take the  second exit onto the A309 Kingston Bypass up to the A3 Hook Junction (approximately 2.1 miles)
  • at the Hook Junction take the second exit to the A243 towards Hook and Malden Rushett and Join the M25 at Junction 9 (approximately 5.3 miles)

  A3 travelling southbound (towards Guildford), to continue east on M25 diversion map.

  A3 travelling north (towards London), to continue east on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the third exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (approximately 2.4 miles)
  • turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (approximately 8.5 miles)
  • then take the second exit to the A24 Leatherhead bypass and continue to the roundabout junction with the A24 taking the second exit to the 243 (approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (approximately 1.3 miles)

  A3 travelling north (towards London), to continue east on M25 diversion map.

  A3 travelling northbound (towards London), to continue west on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the first exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (approximately 2.1 miles)
  • take the second exit to the B382 High Street and continue onto the B382 Old Woking Road then continue to the roundabout Junction with the A245 (approximately 2.9 miles)
  • take the first exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the fifth exit to the A320 Chertsey road (approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (approximately 3.6 miles)  A3 North to M25 West

  A3 travelling northbound (towards London), to continue west on M25 diversion map.

  There may be delays on these diversion routes, so please plan your journey in advance.

  Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England site. Our travel alerts give details of live incidents on our network.

• 04 October 2024

  M25 Junction 10 gyratory weekend closure - 4 October to 7 October

  The on and off slips at the junction 10 gyratory will be closed from Friday 4 October 9pm to Monday 7 October 6am.

  During both these gyratory closures: 

  • the A3 and M25 will both remain open during these times
  • you will only be able to drive through the junction
  • you won’t be able to leave or join either the A3 or the M25 as you normally would
  • local diversions will be in place for local residents and businesses. 

  The A3 Northbound off slip to the Painshill Junction A245 has been reopened for the weekend to allow traffic to access the Painshill Junction.

  Diversions

  While the Ultra Low Emission Zone across London will remain in force during these closures, the signed diversion routes have been designed to ensure that drivers would avoid any charges. Drivers are therefore advised to follow the signed diversion route or check whether their vehicle would be subject to charges at the Transport for London website.

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3.

  • leave the M25 at Junction 11
  • follow the A320 towards the Six Crossroads roundabout Junction with the A245  Woking, (approximately 3.6 miles)
  • take the A245 to Sheerwater, West Byfleet and Byfleet (approximately 5.7 miles) to join the A3 north or south at the Painshill Junction.

  M25 travelling eastbound (toward Gatwick) to continue north or south on the A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue north on the A3

  • leave the M25 at junction 9
  • follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (approximately 2.1 miles)
  • then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (approximately 0.6 miles)

  M25 travelling westbound (towards Heathrow) to continue north on A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue south on the A3

  • leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (approximately 3.6 miles).
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (approximately 2.1 miles)

  M25 travelling westbound (towards Heathrow), to continue south on the A3 diversion map.

  A3 travelling southbound (towards Guildford), to continue west on M25

  • leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (approximately 5.7 miles)
  • Take the fifth exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 travelling southbound (towards Guildford), to continue west on M25 diversion map.

  A3 travelling southbound (towards Guildford), to continue east on M25

  • leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (approximately 0.6 miles)
  • take the first exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (approximately 4.5 miles)
  • take the  second exit onto the A309 Kingston Bypass up to the A3 Hook Junction (approximately 2.1 miles)
  • at the Hook Junction take the second exit to the A243 towards Hook and Malden Rushett and Join the M25 at Junction 9 (approximately 5.3 miles)

  A3 travelling southbound (towards Guildford), to continue east on M25 diversion map.

  A3 travelling north (towards London), to continue east on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the third exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (approximately 2.4 miles)
  • turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (approximately 8.5 miles)
  • then take the second exit to the A24 Leatherhead bypass and continue to the roundabout junction with the A24 taking the second exit to the 243 (approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (approximately 1.3 miles)

  A3 travelling north (towards London), to continue east on M25 diversion map.

  A3 travelling northbound (towards London), to continue west on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the first exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (approximately 2.1 miles)
  • take the second exit to the B382 High Street and continue onto the B382 Old Woking Road then continue to the roundabout Junction with the A245 (approximately 2.9 miles)
  • take the first exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the fifth exit to the A320 Chertsey road (approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (approximately 3.6 miles)  A3 North to M25 West

  A3 travelling northbound (towards London), to continue west on M25 diversion map.

  There may be delays on these diversion routes, so please plan your journey in advance.

  B2039 Ockham Road North

  Our closure on the northbound B2039 Ockham Road North approach to the Ockham roundabout from Guileshill Lane will remain until Tuesday 15 October.

  This is due to ongoing utility works. 

  Diversion

  • by Ockham Road north
  • left to Forest Road
  • then left to Old Lane
  • then left to the A3 South and back to Ockham roundabout

• 01 October 2024

  Upcoming closures - week commencing Monday 30 September

  A3 Southbound Closure - 30 September to 3 October

  We'll close the A3 southbound carriageway from M25 junction 10 to the A247 at Send overnight (10pm to 5.30am) from Monday 30 September to Thursday 3 October.

  Diversion

  • travel on the A3 northbound to Painshill
  • east onto the A245
  • northbound on the A307 to the A309 Kingston Bypass

  to join the A3 southbound the diversion is

  • by the A243 at Hook to the M25 J9
  • southbound on the A24 to the A246
  • northbound on the A247 to rejoin the A3 South at Send

  A245 Overnight closure - 30 September to 2 October

  We'll close the A245 in both directions between Painshill roundabout and Seven Hills Road overnight (10pm to 5.30am) from Monday 30 September to Wednesday 2 October.

  Diversion

  • by the B365 Seven Hills Rd towards the A317 Queens Road
    onto the A244 Esher Road
  • along Lammas Lane
  • onto the A307 Portsmouth Road in both directions

  Junction 10 gyratory overnight closure - 3 October

  We'll close the on and off slip roads on the junction 10 gyratory overnight (10pm to 5.30am) on Thursday 3 October.

  This is in readiness for the main weekend closure.

  Junction 10 gyratory weekend closure - 4 October to 7 October

  The on and off slips at the junction 10 gyratory will be closed from Friday 4 October 9pm to Monday 7 October 6am.

  During both these gyratory closures: 

  • the A3 and M25 will both remain open during these times
  • you will only be able to drive through the junction
  • you won’t be able to leave or join either the A3 or the M25 as you normally would
  • local diversions will be in place for local residents and businesses. 

  Diversions

  While the Ultra Low Emission Zone across London will remain in force during these closures, the signed diversion routes have been designed to ensure that drivers would avoid any charges. Drivers are therefore advised to follow the signed diversion route or check whether their vehicle would be subject to charges at the Transport for London website.

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3.

  • leave the M25 at Junction 11
  • follow the A320 towards the Six Crossroads roundabout Junction with the A245  Woking, (approximately 3.6 miles)
  • take the A245 to Sheerwater, West Byfleet and Byfleet (approximately 5.7 miles) to join the A3 north or south at the Painshill Junction.

  M25 travelling eastbound (toward Gatwick) to continue north or south on the A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue north on the A3

  • leave the M25 at junction 9
  • follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (approximately 2.1 miles)
  • then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (approximately 0.6 miles)

  M25 travelling westbound (towards Heathrow) to continue north on A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue south on the A3

  • leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (approximately 3.6 miles).
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (approximately 2.1 miles)

  M25 travelling westbound (towards Heathrow), to continue south on the A3 diversion map.

  A3 travelling southbound (towards Guildford), to continue west on M25

  • leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (approximately 5.7 miles)
  • Take the fifth exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 travelling southbound (towards Guildford), to continue west on M25 diversion map.

  A3 travelling southbound (towards Guildford), to continue east on M25

  • leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (approximately 0.6 miles)
  • take the first exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (approximately 4.5 miles)
  • take the  second exit onto the A309 Kingston Bypass up to the A3 Hook Junction (approximately 2.1 miles)
  • at the Hook Junction take the second exit to the A243 towards Hook and Malden Rushett and Join the M25 at Junction 9 (approximately 5.3 miles)

  A3 travelling southbound (towards Guildford), to continue east on M25 diversion map.

  A3 travelling north (towards London), to continue east on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the third exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (approximately 2.4 miles)
  • turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (approximately 8.5 miles)
  • then take the second exit to the A24 Leatherhead bypass and continue to the roundabout junction with the A24 taking the second exit to the 243 (approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (approximately 1.3 miles)

  A3 travelling north (towards London), to continue east on M25 diversion map.

  A3 travelling northbound (towards London), to continue west on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the first exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (approximately 2.1 miles)
  • take the second exit to the B382 High Street and continue onto the B382 Old Woking Road then continue to the roundabout Junction with the A245 (approximately 2.9 miles)
  • take the first exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the fifth exit to the A320 Chertsey road (approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (approximately 3.6 miles)  A3 North to M25 West

  A3 travelling northbound (towards London), to continue west on M25 diversion map.

  There may be delays on these diversion routes, so please plan your journey in advance.

  B2039 Ockham Road North

  Our closure on the northbound B2039 Ockham Road North approach to the Ockham roundabout from Guileshill Lane will remain until Tuesday 15 October.

  This is due to ongoing utility works. 

  Diversion

  • by Ockham Road north
  • left to Forest Road
  • then left to Old Lane
  • then left to the A3 South and back to Ockham roundabout

• 24 September 2024

  Work from September to November

  Overnight closures - Monday 23 September to Friday 27 September

  We need overnight closures at the following locations.

  M25 junction 10 overnight slip road closures

  We need four overnight closures of east and west-bound carriageways between M25 junction 10 exit slip and entry slip for bridge works. The overnight slip road closures will be 10pm to 5.30am.

  Diversion

  The diversion will be by junction 10 exit slip road and junction 10 entry slip road. 

  A3 Northbound closure between B2215 Ripley to M25 junction 10

  We'll close the A3 Northbound for four nights from the B2215 Ripley to junction 10 of the M25.  We need these closures for cladding works to Wisley Bridge and barrier installation.

  The overnight closures will be 10pm to 5.30am.

  Diversions

  Diversions will be:

  • off at the B2215
  • then right to the A247
  • left at the Clandon Crossroads to the A246 through to junction 9 of the M25

  Non-motorway traffic should:

  • continue to the A243 to Hook
  • then left to the A309 Kingston Bypass
  • then left on the A309 to Cobham A245 ending at Painshill. 

  Ockham entry slip traffic will go south on the B2215 through Ripley and then turn left to join the diversion above.

  Weekend work involving slip road closures - October to November

  Drivers will need to the use junction 10 of the M25 differently for two weekends in October and one at the start of November.

  While the A3 and the M25 will both be open, the slip roads off and on the junction won’t be. This means you won’t be able to leave or join the M25 or the A3 at junction 10.

  Closures

  The slip roads at the junction will close at 9pm on Fridays each weekend and reopen by 6am on Mondays on the following dates:

  • 4 – 7 October,
  • 18 – 21 October
  • 1 – 4 November

  Please think about how this will affect your journeys and what alternative routes you should take.

  This may include using the M3, M23 or A24 to get on to the M25.

  Diversions

  While the Ultra Low Emission Zone across London will remain in force during these closures, the signed diversion routes have been designed to ensure that drivers would avoid any charges. Drivers are therefore advised to follow the signed diversion route or check whether their vehicle would be subject to charges at the Transport for London website.

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3.

  • leave the M25 at Junction 11
  • follow the A320 towards the Six Crossroads roundabout Junction with the A245  Woking, (approximately 3.6 miles)
  • take the A245 to Sheerwater, West Byfleet and Byfleet (approximately 5.7 miles) to join the A3 north or south at the Painshill Junction.

  M25 travelling eastbound (toward Gatwick) to continue north or south on the A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue north on the A3

  • leave the M25 at junction 9
  • follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (approximately 2.1 miles)
  • then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (approximately 0.6 miles)

  M25 travelling westbound (towards Heathrow) to continue north on A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue south on the A3

  • leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (approximately 3.6 miles).
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (approximately 2.1 miles)

  M25 travelling westbound (towards Heathrow), to continue south on the A3 diversion map.

  A3 travelling southbound (towards Guildford), to continue west on M25

  • leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (approximately 5.7 miles)
  • Take the fifth exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 travelling southbound (towards Guildford), to continue west on M25 diversion map.

  A3 travelling southbound (towards Guildford), to continue east on M25

  • leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (approximately 0.6 miles)
  • take the first exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (approximately 4.5 miles)
  • take the  second exit onto the A309 Kingston Bypass up to the A3 Hook Junction (approximately 2.1 miles)
  • at the Hook Junction take the second exit to the A243 towards Hook and Malden Rushett and Join the M25 at Junction 9 (approximately 5.3 miles)

  A3 travelling southbound (towards Guildford), to continue east on M25 diversion map.

  A3 travelling north (towards London), to continue east on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the third exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (approximately 2.4 miles)
  • turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (approximately 8.5 miles)
  • then take the second exit to the A24 Leatherhead bypass and continue to the roundabout junction with the A24 taking the second exit to the 243 (approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (approximately 1.3 miles)

  A3 travelling north (towards London), to continue east on M25 diversion map.

  A3 travelling northbound (towards London), to continue west on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the first exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (approximately 2.1 miles)
  • take the second exit to the B382 High Street and continue onto the B382 Old Woking Road then continue to the roundabout Junction with the A245 (approximately 2.9 miles)
  • take the first exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the fifth exit to the A320 Chertsey road (approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (approximately 3.6 miles)  A3 North to M25 West

  A3 travelling northbound (towards London), to continue west on M25 diversion map.

  There may be delays on these diversion routes, so please plan your journey in advance.

• 16 September 2024

  Weekend work involving slip road closures

  Drivers will need to the use junction 10 of the M25 differently for two weekends in October and one at the start of November.

  While the A3 and the M25 will both be open, the slip roads off and on the junction won’t be. This means you won’t be able to leave or join the M25 or the A3 at junction 10.

  Closures

  The slip roads at the junction will close at 9pm on Fridays each weekend and reopen by 6am on Mondays on the following dates:

  • 4 – 7 October,
  • 18 – 21 October
  • 1 – 4 November

  Please think about how this will affect your journeys and what alternative routes you should take.

  This may include using the M3, M23 or A24 to get on to the M25.

  Diversions

  M25 travelling eastbound (towards Gatwick), to continue north or south on the A3.

  • leave the M25 at Junction 11
  • follow the A320 towards the Six Crossroads roundabout Junction with the A245  Woking, (approximately 3.6 miles)
  • take the A245 to Sheerwater, West Byfleet and Byfleet (approximately 5.7 miles) to join the A3 north or south at the Painshill Junction.

  M25 travelling eastbound (toward Gatwick) to continue north or south on the A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue north on the A3

  • leave the M25 at junction 9
  • follow the A243 towards Malden Rushett and Chessington (Approximately 5.3 miles)
  • at the Hook Junction turn left onto the A309 Kingston Bypass and continue to the Scilly Isles Junction with the A307 (approximately 2.1 miles)
  • then take first exit to the A307 towards Esher and Cobham to the Between Streets Junction (approximately 4.5 miles)
  • at the junction of the A307 Portsmouth Road take the second exit to the A245 and head towards Painshill Junction and join the A3 north (approximately 0.6 miles)

  M25 travelling westbound (towards Heathrow) to continue north on A3 diversion map.

  M25 travelling westbound (towards Heathrow), to continue south on the A3

  • leave at junction 9 taking the first exit and follow the A24 Leatherhead Bypass south to the Givons Grove junction with the A246 (approximately 3.6 miles).
  • at the Givons Grove roundabout junction with the A246 take the second exit to the A246 Leatherhead Road toward Guildford to the Clandon Crossroads (approximately 8.5 miles)
  • at the Clandon Crossroads take the right turn to the A247 Clandon Road and then access the A3 South at the Send Junction (approximately 2.1 miles)

  M25 travelling westbound (towards Heathrow), to continue south on the A3 diversion map.

  A3 travelling southbound (towards Guildford), to continue west on M25

  • leave the A3 at the Painshill junction and follow the A245 through Byfleet, West Byfleet and Sheerwater towards the Six Crossroads Roundabout junction with the A320 Woking (approximately 5.7 miles)
  • Take the fifth exit to the A320 which will take you to Junction 11 of the M25 (Approximately 3.6 miles)

  A3 travelling southbound (towards Guildford), to continue west on M25 diversion map.

  A3 travelling southbound (towards Guildford), to continue east on M25

  • leave the A3 at the Painshill junction and follow the A245 towards Painshill to the Between Streets junction with the A307 (approximately 0.6 miles)
  • take the first exit to the A307 towards Esher to the Scilly Isles Junction with the A309 Kingston Bypass (approximately 4.5 miles)
  • take the  second exit onto the A309 Kingston Bypass up to the A3 Hook Junction (approximately 2.1 miles)
  • at the Hook Junction take the second exit to the A243 towards Hook and Malden Rushett and Join the M25 at Junction 9 (approximately 5.3 miles)

  A3 travelling southbound (towards Guildford), to continue east on M25 diversion map.

  A3 travelling north (towards London), to continue east on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the third exit to the A247 through West Clandon and to the Clandon Crossroads junction with the A246 (approximately 2.4 miles)
  • turn left to the A3246 towards Leatherhead and continue to the Givons Grove roundabout junction with the A24 Leatherhead Bypass (approximately 8.5 miles)
  • then take the second exit to the A24 Leatherhead bypass and continue to the roundabout junction with the A24 taking the second exit to the 243 (approximately 1.6 miles)
  • continue along the A243 to join the M25 east at Junction 9 (approximately 1.3 miles)

  A3 travelling north (towards London), to continue east on M25 diversion map.

  A3 travelling northbound (towards London), to continue west on M25

  • leave the A3 at Send onto the B2215, at the roundabout take the first exit to the A247 Send Barns Lane, to the roundabout junction with B382 High Street Old Woking (approximately 2.1 miles)
  • take the second exit to the B382 High Street and continue onto the B382 Old Woking Road then continue to the roundabout Junction with the A245 (approximately 2.9 miles)
  • take the first exit to the A245 Sheerwater Road continuing on the A245 to the Six Crossroads Roundabout Junction with the A320 taking the fifth exit to the A320 Chertsey road (approximately 1.8 miles), then continuing on the A320 the M25 J11 to join the M25 west (approximately 3.6 miles)  A3 North to M25 West

  A3 travelling northbound (towards London), to continue west on M25 diversion map.

  There may be delays on these diversion routes, so please plan your journey in advance.

• 06 September 2024

  M25 junction 10 overnight slip road closures – starting Monday 9 September

  We’ll close the slip roads at junction 10 for four nights (10pm to 5.30am) from Monday 9 to Thursday 12 September.

  During closures:

  • you will only be able to drive through the junction
  • you won’t be able to leave or join either the A3 or the M25 as you normally would.

  Diversions

  M25 travelling Eastbound (towards Gatwick), to continue North or South on the A3

  If you are travelling eastbound on the M25 and want to leave the M25 and join the A3 to travel either north or south:

  • leave the M25 at Junction 11
  • follow the A320 towards Woking
  • then pick up the A245 to Sheerwater, West Byfleet and Byfleet
  • join the A3 at the Painshill Junction.

  M25 travelling Westbound (towards Heathrow), to continue North or South on A3

  If you are travelling westbound on the M25 and want to leave the M25 and join the A3 to travel either north or south

  • leave at Junction 9 and follow the A243 towards Malden Rushett and Chessington
  • at Hook Junction move onto the A309 Kingston Bypass, then onto the A307 towards Esher
  • at the end of A307 Portsmouth Road pick up the A245 and head towards Painshill Junction and the A3.

  A3 travelling Southbound (towards Guildford), to continue West on M25

  If you are travelling southbound on the A3 and want to continue your journey west on the M25:

  • leave the A3 at the Painshill junction
  • follow the A245 through Byfleet, West Byfleet and Sheerwater towards Woking
  • take the A320 in Woking to Junction 11 of the M25. 

  A3 Travelling Southbound (towards Guildford), to continue East on M25

  If you are travelling southbound on the A3 and want to continue your journey East on the M25

  • leave the A3 at the Painshill junction
  • follow the A245 towards Painshill
  • then take the A307 towards Esher and onto the A309 Kingston Bypass up to Hook Junction
  • at Hook Junction take the A243 towards Hook and Malden Rushett
  • join the M25 at Junction 9.  

  A3 Travelling North (towards London), to continue East on M25

  If you are travelling northbound on the A3 and want to leave the A3 and join the M25 to travel east:

  • leave the A3 at Send and take the B2215
  • follow the A247 through West Clandon, then take the A246
  • at Givons Grove roundabout, take the A24 Leatherhead Bypass then the A243
  • join the M25 at Junction 9.

  A3 Travelling Northbound (towards London), to continue West on M25

  If you are travelling Northbound on the A3 and want to continue your journey west on the M25:

  • leave the A3 at the Painshill junction
  • follow the A245 through Byfleet, West Byfleet and Sheerwater towards Woking
  • at Woking take the A320, which will take you to Junction 11 of the M25. 

• 23 August 2024

  B2039 Ockham Road North closure

  Our closures on the northbound B2039 Ockham Road North will be reinstated on Tuesday 27 August until Sunday 29 September to allow work on the utilities and to complete carriageway widening on the approach to the Ockham roundabout. Ockham Road North will be closed in one direction between Guilleshill Lane and the Ockham roundabout 24 hours a day.

  The diversion will be via Ockham Road North then left to Forest Road then left to Old Lane and then left to the A3 South and then back to Ockham roundabout.

• 11 August 2024

  Eastbound carriageway reopened to traffic

  We reopened the M25 eastbound carriageway on Sunday 11 August 7.30am after completing our work ahead of schedule.

  Thanks for your patience during the closure.

  Wisley Lane - Monday 12 to Wednesday 14 August overnight closure (10pm to 5.30am)

  Wisley Lane will be closed for UK Power Networks (UKPN) diversion works.

  Diversion for A3

  Traffic will travel:

  • by the A3 northbound to Esher common and return to the A245 Painshill
  • turn right onto the A245 towards Byfleet
  • turn left onto Pyrford Road and then left to Lock Lane. 

  Diversion for Wisley lane

  Traffic will travel:

  • by Lock Lane to Pyrford Road
  • then right to the A245 and continue to Painshill.

  Please don't use a Satnav when following any of our diversions. There's a risk it could direct you down an unsuitable road or back onto the network where it is closed.

• 17 July 2024

  M25 closures - see you next year!

  Thank you to everyone who changed their plans and took advice to avoid the Wisley to Chertsey stretch of the M25 last weekend while it was closed. As a result, we completed a critical piece of bridge installation and made significant progress with our improvements to junction 10.

  What’s also now important is there will be no more full weekend closures of the M25/A3 this calendar year. The two remaining closures will be next spring. We will give a minimum of four weeks’ notice for these closures so you can plan ahead, and we will avoid busy holiday periods.

  Please bear in mind the M25/A3 will still be closed at times over some weekends, and we will also be doing some 12 hour night closures on the M25 through the autumn.

  If you’d like to see more about what we did during last weekend's closure head to our page where we tell the story behind the closures. 

  Please check the ‘Upcoming closures’ section below for all our weeknight closures and lane restrictions so you can plan your journeys.

  Thanks again for your patience!

• 14 July 2024

  M25 junction 10 - 11 open to traffic ahead of schedule

  We reopened both carriageways over 7 hours ahead of schedule after installing the west bridge and a superspan gantry.

  This weekend's works mirrored our second full closure in May, when we installed the bridge on the east side of the junction.

  Thank you for bearing with us during the work. We're very grateful to all of you who took our advice, avoided the closure and completed your journeys in other ways.

• 17 June 2024

  Announcing our third full weekend closure

  We can confirm that the M25 between junctions 10 and 11 will be closed from 9pm Friday 12 July to 6am Monday 15 July 2024.

  We need to close the motorway to install a new bridge on the roundabout at Junction 10.

  Only travel if necessary

  We’re grateful to all drivers who avoided previous closures and completed their journeys in other ways. We urge you to do the same again.

  If you do travel, expect delays and please leave a lot of extra time for your journey.

  Diversion route

  The local diversion route is the same for both directions:

  Junction 10 to Junction 11

  North bound A3 to Painshill Junction, A245 towards Woking, and then A320 to M25 Junction 11.

  Junction 11 to Junction 10

  A320 south towards Woking, A245 towards Byfleet and Painshill junction, Southbound A3 to Junction 10.

  Avoiding the closure by taking the M25 via the Dartford Crossing may also be quicker.

• 15 April 2024

  Announcing our second full weekend closure

  We can confirm that the M25 will be shut between junctions 9 (A243 Leatherhead) and 10 (A3 Wisley) from 9pm Friday 10 May to 6am Monday 13 May 2024.

  This full closure is needed to install a new bridge.

  Only travel if necessary

  We’re grateful to all drivers last time who avoided the closure and completed their journeys in other ways. We urge you to do the same again.

  Diversion routes

  A 19-mile diversion route will be in place which uses the A3 and the A240.

  Please follow the diversion and don’t follow your SatNav.

  Clockwise diversion for all but over-height vehicles:

  • leave M25 at junction 8, A217 (Reigate)
  • follow the A217 London, Sutton, (A240) Kingston
  • after 3½ miles turn left onto the A240 Epsom, Kingston
  • after 3 miles at the Esso roundabout, turn right onto the A24 (A240) Kingston
  • continue for 3 miles and at the Tolworth interchange turn left onto the A3 Portsmouth, Guildford
  • continue for 9½ miles to the M25 and re-join the motorway at junction 10

  Anticlockwise diversion for all but over-height vehicles:

  • leave M25 at junction 10 to join the A3 towards London
  • after 9½ miles at the Tolworth interchange leave the A3 turning right onto the A240 Epsom, Reigate
  • continue for 3 miles to the Esso roundabout and turn left onto the A240 Reigate
  • continue for 3 miles then turn right onto the A217 Reigate, M25
  • after 3½ miles turn left to re-join the M25 motorway at junction 8.

  Drivers using the signed diversion route won’t be subject to any Ultra Low Emission Zone (ULEZ) charges that may usually apply. The Ultra Low Emission Zone will remain in force on all other routes in London across the weekend.

  If you're driving an over-height vehicle you must follow a different diversion route to avoid a low bridge. This is your route:

   

  Further closures

  We intend to close the M25 for three more weekends this year.

  There will be no weekend closures in June.

  The remaining closures will take place between July and the end of 2024.

• 01 March 2024

  More details about our M25 closure

  Last weekend we closed the A3 for a full weekend and demolished two bridges.

  Our next weekend closure will be for more demolition work, this time on the M25.

  It means the M25 between junctions 10 and 11 will be closed in both directions from 9pm on Friday 15 to 6am Monday 18 March.

  Diversion routes

  The local diversion route below will be in place which is the same for both directions:

  • Junction 10 -  Junction 11: North bound A3 to Painshill Junction, A245 towards Woking, and then A320 to M25 Junction 11.
  • Junction 11 -  Junction 10: A320 south towards Woking, A245 towards Byfleet and Painshill junction, Southbound A3 to Junction 10.

  Taking the M25 in the other direction to avoid our closure is also an option.

  Either way, if you do travel, please leave a lot of extra time for your journey.

  We carefully plan all our closures to limit disruption, but sometimes it's not possible to carry out all the work that's needed without a closure. We have planned all our closures to avoid holiday periods and key events in the area.

  The work needs to be carried out now to continue the good progress on the delivery of the scheme which is due to open to traffic next summer.

   

• 31 January 2024

  Announcing our next big closures

  

  Last weekend we completed Sandpit Hill bridge, the third of our eight bridges.

  It will be a few weeks before the bridge can be used as we still need to surface it, build the approach embankments and create the routes leading between Ockham Common, the bridge itself and Chatley Wood. Check back on this web page for when the bridge is available for use.

  We're now moving to a phase of work that involves some significant closures of the A3 and the M25.

  Please remember that closure details can change at short notice.  For the most up-to-date information, please visit our daily closures page. 

• 24 January 2024

  Completion of our third bridge

  This weekend sees the completion of the third of our eight bridges, which is Sandpit Hill bridge that will link Painshill to Ockham Common. At 91 metres long, this will be the longest bridge we will install on the project, and it will cross the M25 to the east of junction 10.

  Sandpit Hill bridge is for pedestrians, cyclists, and horse riders to safely travel between Ockham Common and Painshill. This is part of a new 5km route that will connect with many existing paths, tracks and bridleways that crisscross Wisley and Ockham Commons.

  We’ve been building the bridge supports that will carry the new bridge across the M25, and we’re now ready to install the second piece of the platform to complete the installation.

   

• 16 October 2023

  Wisley Lane bridge beams installed

  Good news – we’ve successfully installed all ten pre-cast concrete beams for our new bridge over the A3 at Wisley Lane.

  Our teams worked around the clock all weekend while the road was closed to get everything in place and reach this important milestone. This meant manoeuvring a 750 tonne crane onto each carriageway in turn and lifting all of the 80 tonne beams into position.

  

  

  In the future, this bridge will provide a new, safer route for walkers, cyclists, horse riders and drivers between the A3 Ockham Park junction and Wisley Lane.

  Wisley Lane is the second of eight new bridges to have its beams installed in the last three months. The first one was down at Stratford Brook where this same route will travel across the smallest bridge on our scheme and meet up with the roundabout at Ockham Park.

  We understand there’s never a good time to do roadworks and the impact this has on the people who live near or travel through our work.

  Thank you for your patience over the last few days while we’ve been making our improvements.