South East - Maintenance schemes
Maintenance schemes taking place in the South East region.
The latest maintenance schemes that will be running in this area can be found below in the 'Project information area'.
Project information
Ash die back works in the South East
You can find more details about Ash die back works below:
A21, A2, A27 and A259 Ash die back works - 1 July to 2 August 2025
Our surveys have revealed large numbers of dead or dying Ash trees. These are a potential safety risk to people on or near our road network.
Over the summer, we need to remove or make safe ash trees identified as needing urgent action.
Closures
While we work, we'll need full overnight (8pm - 6am) closures at these locations:
1 July to 2 July
A2 Eastbound from Whitfield Roundabout to Whitfield Interchange
3 July to 4 July
A21 both directions from Moat Lane to Westfield Lane
4 July to 5 July
A21 both directions from Watlington to Kent Street
7 July to 8 July
A21 both directions from Vinehall Road to Woodmans Green Road
11 July to 12 July
A2 both directions from Duke of Yorks Roundabout to Eastern Docks Roundabout
14 July to 17 July
A259 Both directions from Guestling Thorn to Broad Street
28 July to 29 July
A26 both directions from Beddingham to South Heighton
31 July to 2 August
A27 both directions from Berwick to Beddingham
We'll put signposted diversions in place while we work. Please follow our official diversions, not sat nav instructions.
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.
A27 Patcham Interchange - Monday 14 July through to Thursday 28 August
We're closing the slip roads at Patcham Interchange (A27 and A23)
The road will be closed weeknights 8pm to 5am.
Diversion
Drivers will need to go to the next junction to leave
A2 M25 eastbound slip road closure for resurfacing – 21 to 25 July
Works
21 July – 25 July – A2 West eastbound
We're closing the M25 entry slip overnight on weeknights only (10pm-5pm), with lane closures in place.
Diversion
- M25 junction 2 roundabout and then the A2 West.
- We'll also divert non-motorway traffic by the A282 junction 1B, then A296 and then the A2 West.
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.
Maintenance work on the A2
You can view more details about the maintenance schemes taking place on the A2 below:
Maintenance work on the A20
You can find more details about the maintenance schemes taking place on the A20 below:
Maintenance work on the A2070
You can find more details about the maintenance schemes taking place on the A2070 below:
A2070 near Ashford: 2 June - 11 July 2025
Work
We'll be working in phases to resurface the A2070 near Ashford. The first phase involves closing the stretch between the Avenue Jacques Faucheux and The Boulevard.
Closures
The road will be closed eastbound only overnight from Monday 2 June until Monday 9 June.
The subsequent phases of work will be:
Tuesday 10 - Friday 13 June: Avenue Jacques Faucheux and The Boulevard (westbound)
Monday 16 - Friday 20 June: The Boulevard to the M20 Link Roundabout (eastbound)
Monday 23 – Friday 26 June: M20 Link Roundabout to The Boulevard (westbound)
Monday 30 – Wednesday 9 July: M20 Link Roundabout to M20 Gyratory (eastbound and westbound)
Thursday 10 – Friday 11 July : A2070 Sevington Link Roundabout (only) closed
Diversion
Traffic will be diverted to
- A2042 from Avenue Jacques to M20 J10 – 10A.
When the Sevington link roundabout is closed traffic will be diverted to A20, then M20 J10 – 10A
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.
Resurfacing between Cloverleaf and M20 J10/10A: 2 June to 11 July 2025
Work
We're carrying out improvement works on the A2070 between Cloverleaf and M20 J10/10A.
The works involve a carriageway resurfacing scheme including loop technology and road marking renewal to improve the condition of the road and to aid the safety of road users.
At the same time as these essential works, we will also carry out horticultural maintenance and litter picking.
Closures
Traffic management will consist of mostly lane closures and full carriageway closures in six phases to safely deliver the works and reduce impact on customers.
Works will be carried out at night from June 2 to July 11 from between 8pm and 6am.
Phasing (dates inclusive)
Closure: 2 June – 9 June
- Phase 1 - Ave Jacques Faucheux to The Blvd (eastbound)
Closure: 10 June – 13 June
- Phase 2 - The Blvd to Ave Jacques Faucheux (westbound)
Closure: 16 June – 20 June
- Phase 3 - The Blvd to M20 Link Roundabout (eastbound)
Closure: 23 June – 26 June
- Phase 4 - M20 Link Roundabout to Blvd (westbound)
Closure: 30 June – 9 July
- Phase 5 - M20 Link Roundabout to M20 Giratory (eastbound)
Closure: 10 July – 11 July
- Phase 6 – A2070 Sevington Link Roundabout (Only)
Diversions
Diversions, which have been agreed and approved by Kent County Council:
For Phase 1,2,3 and 4:
Traffic will be diverted to
- A2042 from Avenue Jacques to M20 J10 – 10A.
For Phase 5:
Traffic will be diverted to
- A20, then M20 J10 – 10A
We're keeping disruption to a minimum by working at night when traffic levels are lower. However, our work will generate some noise, so we would like to apologise in advance for any disturbance this may cause you.
The essential improvements will ensure drivers continue to have smooth and reliable journeys on this part of the road network.
A2070 outside Ashford, Kent closures: 14 - 21 July 2025
Work
The A2070 outside Ashford will be closed between 9pm-6am for five nights from Monday 14 July.
Closures
Monday 14 July until Thursday 17 July
- Full closure in both directions of the A2070 from Finn Farm Roundabout to Brenzett Roundabout.
Monday 21 July
- Full closure in both directions of the A2070 between Snave and Johnsons Corner.
Diversion routes
Through traffic will be diverted via:
- A259
- A261
- A20
- M20
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.
Improvement works on the A2070 in Kent - 14 to 21 July 2025
We're undertaking road maintenance and other works including drainage and vegetation clearance on the A2070 in Kent in July.
Monday 14 July to Thursday 17 July – A2070 in both directions
Overnight (8pm to 5am) Road closure from Finn Farm Roundabout to Brenzett Roundabout.
Monday 21 July – A2070 in both directions
Overnight (8pm to 5am) Road closure between Snave and Johnsons Corner.
Through traffic will be diverted via the A259, then the A261, onto the A20 and finally the M20.
There will be access to properties and businesses but there could be a short wait while we make it safe for road users to pass.
This essential work may generate additional noise through the night. We’ll make every effort to ensure the impact is kept to a minimum during these improvements. Please accept our apologies in advance for any inconvenience these works may cause.
Maintenance work on the A21
You can find more details about the maintenance schemes taking place on the A21 below:
A21 resurfacing works between Bewl Bridge Lane and Pembury northbound - 1 July to 15 July 2025
We will be resurfacing and clearing vegetation on the A21 between Bewl Bridge Lane and Pembury northbound.
The essential improvements will ensure drivers continue to have smooth and reliable journeys on this part of the network.
We’re keeping disruption to a minimum by working at night when traffic levels are lower but there will be some noise and we apologise in advance for this.
The works will take place from Tuesday 1 July from 8pm to 6am to Saturday 5 July. They will also take place from Monday 7 July from 8pm to 6am to Saturday 19 July.
On the A21 Bewl Bridge there will be a full carriageway closure from Scotney Castle roundabout to Flimwell in both directions between 8pm and 6am. Escorts will be provided for this closure from 1 to 5 July.
On the A21 Pembury there will be a full closure on the road from Longfield to Kippings Cross southbound between 8pm and 6am.
There will be clear road signs guiding motorway traffic along a different route using the A268, A229, A262, A228, and A26.
Closure information for A21 Pembury
The below closures are scheduled to take place:
- Monday 7 July for one night - A21 southbound carriageway closed from Longfield to Pembury including the on and off slip roads at Pembury.
- Tuesday 8 July for one night - A21 southbound on and off slip roads at Pembury including a lane one closure
- Thursday 10 July for two nights - A21 Pembury northbound on and off slip roads including a lane closure on the A264 (Pembury Road) northbound carriageway from Oakley School
- Monday 14 July for two nights - A21 Pembury northbound on and off slip roads including a lane closure on the A264 (Pembury Road) northbound carriageway from Oakley School
- Wednesday 16 July for two nights - A21 Pembury northbound on and off slip roads with a lane one closure
Diversions:
For the A21 Pembury southbound off slip road, traffic will be diverted from:
- the A26 onto Grosvenor Road
- Mount Pleasant Road
- Crescent Road
- Calverley Road and A264
Local traffic will be able to join the A21 southbound carriageway from Henwood Green Road
For the A21 Pembury northbound off slip road, traffic will be diverted via B2160, B2017 and A228.
Local traffic will be able to continue along the A21 to turn right on to Henwood Green Road.
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.
A21 northbound closures - 23 July to 2 September 2025
We'll close the A21 between Vauxhall Junction and Morley Roundabout junction (including the northbound entry at the Quarry Hill junction).
Closures and diversions
Closed northbound overnight (8pm to 6am) Monday to Thursday nights only.
15 to 18 August
Full weekend closure.
24 July to 30 August
Lane restrictions on the A21.
The last night of the closure is overnight on 1 September with the road opening at 6am on the morning of 2 September.
Main diversion
- take Vauxhall Lane, A26 Woodgate Way, A26 Vale Road
- then take A227 Hadlow Road/Bordyke, A227 and B245 London Road/Tonbridge Road
- rejoin A21 at Morley’s
A26 London Road northbound diversion (for Quarry Hill entry closure)
You'll be diverted by A26 Quarry Hill Road, A2014 Pembury Road to join the main diversion at A26 Woodgate Way.
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.
Maintenance work on the A23
You can find more details about the maintenance schemes taking place on the A23 below:
Maintenance work on the A259
You can find more details about the maintenance schemes taking place on the A259 below:
Maintenance work on the A26
You can find more details about the maintenance schemes taking place on the A26 below:
Maintenance work on the A260
You can find more details about the maintenance schemes taking place on the A260 below:
Maintenance work on the A27
You can find more details about the maintenance schemes taking place on the A27 below:
A27 maintenance works between Clapham Interchange and Grove Lodge - 16 July to 18 July 2025
We'll be undertaking maintenance works on the A27 in both directions between Clapham Interchange and Grove Lodge roundabout for three nights.
Closures are scheduled to take place overnight (8pm to 5am) on Wednesday 16 July and Friday 18 July.
The road will be closed to through traffic and a signed diversion route will be in place. Through traffic will be diverted via A280, A259 and A24.
Access to properties and businesses within the closure will be maintained, but there may be times where access is restricted and there could be a short wait whilst we make it safe for you to pass.
We apologise in advance for any inconvenience caused by these works.
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.
A27 eastbound at Havant - 23 June to 28 June 2025
Closed eastbound overnight between A27/A3M junction to A3023 Havant/Langstone junction from Monday 23 June to Saturday 28 June.
Diversion
A diversion will be in place by the B2177 Bedhampton Road and the B2149 New Road/Park Road. It is likely to take 10-15 minutes.
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.
A27 Old Shoreham Road sign renewals - 28 July to 20 August 2025
Roadworks are taking place soon on the A27 Old Shoreham Road in the Lancing area of West Sussex.
The scheme will take place from 28 July to 20 August and will see traffic signs removed and replaced in and around the A27 Lancing Manor Roundabout and the Sompting crossroad junction (Busticle Lane), both westbound and eastbound. The works will be carried out in four phases.
28 July to 30 July – A27 westbound
Overnight (8pm to 6am) full closure. Weeknights only.
Phase 1: A27 Closed westbound between Old Shoreham Road Roundabout and Lancing Manor Road Roundabout.
Diversion
- Follow the A27 to Adur Interchange
- Take the A283 towards Washington Roundabout
- Continue on the A24 to A27 Grove Lodge Roundabout
31 July, 1 August and 4 August – A27 westbound
Overnight (8pm to 6am) full closure. Weeknights only.
Phase 2: Full A27 westbound closure between Old Shoreham Road Roundabout and First Avenue, including the Grinstead Lane (A2025) southbound exit from Lancing Manor Roundabout.
Diversion
- As above for previous phase, via A27, A283, A24 and A27
5 August to 8 August and 11 August – A27 westbound
Overnight (8pm to 6am) full closure. Weeknights only.
Phase 3: Full A27 westbound closure from the Lancing Manor Roundabout to the A27 Sompting crossroads (Busticle Lane).
Diversion
- Take the A27 to Adur Interchange
- Then the A283 to Washington Roundabout
- Then the A24 to A27 Grove Lodge Roundabout.
12 August to 15 August and 18 August to 20 August – A27 eastbound
Overnight (8pm to 6am) full closure. Weeknights only.
Phase 4: Full A27 eastbound closure between A27 Sompting crossroads (Busticle Lane) and Lancing Manor Roundabout.
Diversion
- From A27 Grove Lodge Roundabout follow the A24 to Washington Roundabout
- Then take the A283 to Adur Interchange
- And finally the A27 back to Lancing Manor Roundabout.
For residents and businesses with direct access to and from the A27 within the closures, there will be our Traffic Management team on site to escort you to and from your property.
A noise management plan has been developed ahead of the scheme starting to mitigate noise in the neighbourhood, and we apologise in advance for disruption while the works take place.
Maintenance work on the A228
You can find more details about the maintenance scheme taking place on the A228 below:
Maintenance work on the A3
You can find more details about the maintenance schemes taking place on the A3 below:
A3 resurfacing work between Bramshott (Liphook) and Grayshott - 28 July to 31 October 2025
We’ll carry out resurfacing work to areas of the A3, between Bramshott (Liphook) and Grayshott, on the Hampshire and Surrey border.
We will also be carrying out safety barrier maintenance on the northbound carriageway near Longmoor.
28 July to 21 August – A3 northbound from Longmoor to Thursley
Overnight (9pm to 6am) road closure. Weeknights only.
A signed diversion will be in place from Petersfield, A272, A32 and A31.
3 August – A3 northbound from Ham Barn to Liphook
Overnight (9pm to 6am) road closure.
A signed diversion will be in place from Sheet, A272, B2070 and Longmoor Road.
4 to 8 August – A3 northbound at Longmoor
Daytime narrow lanes and a 50mph speed restriction in place.
9 August – A3 northbound from Ham Barn to Liphook
Overnight (9pm to 6am) road closure.
A signed diversion will be in place from Sheet, A272, B2070 and Longmoor Road.
15 September to 3 October – A3 southbound from Hogs Back to Liphook
Overnight (9pm to 6am) road closure. Weeknights only.
There will be a signed diversion route from the A31, A32, A272 and Petersfield.
27 October to 31 October – A3 southbound from Hogs Back to Liphook
Overnight (9pm to 6am) road closure. Weeknights only.
There will be a signed diversion route from the A31, A32, A272 and Petersfield.
These works will result in smoother and safer journeys for road users, but we apologise in advance for any disruption during the works. The diversions will add approximately ten miles to journey length and 25 minutes in driving time depending on start point and destination.
Maintenance work on the A303
You can find more details about the maintenance schemes taking place on the A303 below:
A303 Picket Twenty to Bullington Cross - 2 June to 5 July 2025
Overnight closures (9pm to 6am).
Diversion
By the A3057 to Stockbridge, then A30 to Bullington Cross.
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.
A303 near Bullington carriageway improvements - 9 June to 5 July 2025
We're resurfacing the A303 eastbound between Barton Stacey and Bullington Cross. We'll be working from the Street / Barton Stacey off slip to the bridge over the A34.
Closure
While we work, we'll close the road overnight (9pm to 6am) on weeknights only.
Diversion
- take the A3057 to Stockbridge
- then take the A30 to Sutton Scotney, Bullington Lane to Bullington Cross.
The diversion is 3.5 miles longer than the motorway route. It will add around 10-15 minutes to your journey.
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.
Maintenance work on the A30
You can find more details about the maintenance schemes taking place on the A30 below:
A30 (with A303/A34 junction) road improvements near Bullington - 7 July to 23 July 2025
We are undertaking road improvement works on the A30, between the A303 and the A34 in July.
The works will be carried out in two separate parts – a north section and a south section.
7 to 12 July – north section
The following overnight (9pm to 6am) closures are scheduled for the junction to the north of the A303. Weeknights only:
- A30 in both directions between the slip roads for A303 westbound and the A303 eastbound
- A34 northbound exit and entry slip roads (north of the bridge)
14 to 23 July – south section
The following overnight closures (9pm to 6am) are scheduled for the junction to the south of the A303. Weeknights only:
- A30 in both directions between the slip roads for the A303 westbound and the A34 southbound slip roads
- A34 southbound exit and entry slip roads
- Bullington Lane between Bullington Cross and Sutton Scotney
Diversions will be in place via the adjacent junctions Tufton, Three Maids Hill, Micheldever and Barton Stacey.
The diversions will take road users around ten to 15 minutes but delays should be fewer because of night time working. We apologise in advance for any inconvenience and the roadworks will result in smoother journeys for road users.
Maintenance work on the A31
You can find more details about the maintenance schemes taking place on the A31 below:
Maintenance work on the A34
You can find more details about the maintenance schemes taking place on the A34 below:
A34 Abingdon embankment and safety barrier repairs - 7 July to 27 September 2025
We're carrying out work to repair the embankment and replace the safety barrier along the A34 southbound carriageway.
These improvement works are essential to ensure road user safety, and we apologise for any disturbance caused by these works.
Work will be done overnight, on Monday to Saturday nights between 9pm and 6am, starting on Monday 7 July 2025, and expected to be completed by the end of September 2025.
During this period, the following traffic management restrictions will be in place:
- Daytime narrow lanes with a 50mph speed limit
7 July – overnight closures of the A34 southbound from Hinksey Hill junction to Marcham Interchange; with a diversion via A423 southern bypass, eastern bypass, A4074 to Burcot, A415 to Abingdon.
8 July to 9 September – Overnight closures of the A34 southbound from Lodge Hill junction to Marcham Interchange; with a diversion via Oxford Road, Dunmore Road, Copenhagen Drive, Colwell Drive, Marcham Road.
11 to 27 September – overnight closures of the A34 southbound from Hinksey Hill junction to Marcham Interchange; with a diversion via A423 southern bypass, eastern bypass, A4074 to Burcot, A415 to Abingdon.
A34 Chieveley roundabout to M40 road markings: 9 June – October 2025
Work
We’re doing maintenance work to renew road markings on the A34 near Chieveley to the M40.
We’ll work weeknights only (9pm to 6am) from Monday 16 June to October 2025, weather permitting.
Closures and diversions
To work safely, we'll need the following road closures:
16 June to 21 June
- A34 northbound to M40 junction 9
Traffic will be diverted via:
- A44
- A4095
- B4030 to join the A41 westbound to join the 40 junction.
23 June to 28 June
- A34 northbound Milton to Hinskey Hill
Traffic will be diverted via:
- A4130
- A417 Reading Road
- Wallingford Street
- Seesen Way
- A420 to rejoin the A34 at Botley Interchange.
30 June to 2 July
- A34 northbound Hinskey Hill to Peartree
traffic will be diverted via:
- A423
- A4142
- A40
- A44 to rejoin the A34 at Peartree Roundabout.
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.
A34 near Chieveley – Fire damage survey - 6 to 7 July 2025
There will be a road closure on the A34 Oxford Road South near Chieveley, in Berkshire in July while a survey of fire damage to a bridge is carried out.
The below closure is scheduled to take place:
- 6 July and 7 July – A34 southbound
Overnight (8pm to 6am) full carriageway closure
A diversion will see A34 southbound traffic approaching Chieveley diverted off the A34 towards the M4 J13 Chieveley Interchange, proceeding towards A339 (Newbury) before rejoining the A34 southbound.
While we endeavour to keep disruption to a minimum there may be some noise while the fire damage investigation is carried out and we apologise in advance for any inconvenience.
Maintenance work on the A404
You can find more details about the maintenance schemes taking place on the A404 below:
Maintenance work on the B2500
You can find more details about the maintenance schemes taking place on the B2500 below:
Maintenance on the M1
You can find more details about the maintenance schemes taking place on the M1 below:
Motorway boundary fence repairs, M1 junction 1, Hendon - Monday 7 April to July 2025
We're renewing more than 500 metres of motorway boundary fence on the M1 northbound near junction 1 in Hendon, starting 7 April 2025 and finishing in \july 2025.
To minimise disruption, our work will take place overnight, from 9pm to 5.30am, Monday to Friday.
For safety, regular overnight lane closures (9pm to 5:30am) will be in place on the M1 northbound carriageway from April to July 2025. One lane will remain open for northbound traffic.
The link road from the A406 North Circular Road westbound to the M1 northbound will be closed overnight, but access to the M1 will still be available via the Staples Corner Roundabout.
We won’t need any traffic restrictions on the adjacent M1 southbound carriageway to complete this work. The overnight lane closures on the northbound carriageway will be removed by 5.30am each morning ahead of busier daytime use.
Maintenance work on the M11
You can find more details about the maintenance schemes taking place on the M11 below:
Maintenance work on the M2
You can find more details about the maintenance schemes taking place on the M2 below:
M2 and Champion’s Court in Faversham - 16 June to 7 August 2025
Work
We’ll shortly be carrying out repairs to the bridge that goes over the M2 between Homestall Road and Sharsted Hill. We’ll do bridge repair work and refurbishment, install vehicle restraint systems, and replace the bridge parapets.
Closures and diversions
To work safely, we need to fully close Champion’s Court Road between Homestall Road and Sharstead Hill near Newnham on the bridge over the M2 for 8 weeks, starting from 16 June.
To do this work safely and work under the bridge, we’ll also need to close the M2 overnight on the following dates:
M2 Junctions 6 to 5 closed London bound
- Friday 20 June
- Wednesday 25 June
- Thursday 26 June
- Friday 27 June
- Sunday 20 July
- Monday 4 August
Traffic will be diverted via:
- A28 to junction 10 of the M20
- take M20 London bound to junction 7
- take A249 Detling Hill
- and rejoin the M2 at junction 5
M2 Junctions 5 to 6 closed coast-bound
- Monday 23 June
- Tuesday 24 June
- Monday 30 June
- Tuesday 1 July
- Saturday 19 July
M2 Junction 4 Bredhurst
For safety, we also need to close the M2 at junction 4 on the following dates:
2 July and 3 July:
- M2 Junction 4 Coastbound exit slip road closure.
- Traffic will be diverted to join at Junction 5 instead.
4 July and 7 July:
- M2 Junction 4 Coastbound and London bound full closure.
- Diverted traffic up and over the slip roads at M2 Junction 4.
8 July and 9 July:
- M2 Junction 4 London bound entry slip road closure.
- Diverted traffic to join at Junction 5 instead.
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.
Maintenance work on the M20
You can find more details about the maintenance schemes taking place on the M20 below:
Maintenance work on the M23
You can find more details about the maintenance schemes taking place on the M23 below:
Maintenance Work on the M25
You can find more details about the maintenance schemes taking place on the M25 below:
Cobham Road bridge repairs (over the M25) - 27 to 30 June 2025
Work
We're maintaining the the bridge carrying Cobham Road over the M25 between Cobham and Leatherhead in Surrey.
We’ll need to close the bridge over two weekends in 2025 to do this work.
Closure
Our first full weekend closure is:
- 9pm Friday 27 June to 6am Monday 30 June 2025
We need this to re-waterproof the bridge and replace an 18-year-old bridge joint.
Access to all nearby properties and businesses on both sides of the Cobham Road bridge will remain available. However, you won't be able to drive across the bridge during the works.
Diversion
When the Cobham Road bridge is closed, directly above the M25, there will be fully signed diversion routes via Leatherhead.
Southbound traffic (from the Cobham direction), will be diverted via:
- the A245 Woodlands Lane
- Woodlands Road
- Randalls Road eastbound
- Bull Hill southbound
- Station Road westbound
- B2122 Waterway Road
- Guilford Road southbound
- Cobham Road westbound.
Northbound traffic (from the Fetcham direction), will be diverted via:
- Cobham Road eastbound
- the B2122 Guildford Road
- Waterway Road northbound
- A245 Station Road westbound
- Station Approach northbound
- Randalls Road
- Woodlands Road
- Woodlands Lane westbound
Cobham Road bridge maintenance diversion route map.
Please note that there is a railway bridge on our diversion route with a 3.7 metre (12’-3”) height restriction. This bridge is located on Cobham Road between Shamrock Close and River Lane in Fetcham. We encourage drivers of high-sided vehicles to plan ahead and seek alternative routes if necessary.
We’re working closely with both major and local roadworks to ensure our closures and diversion routes are coordinated effectively.
A second weekend closure of the bridge is expected to happen later in 2025 and we will provide more details closer to the time.
Please also look out for temporary signs which will provide advance notice of scheduled closures.
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.
Maintenance work on the M271
You can find more details about the maintenance schemes taking place on the M271 below:
M271 Road Repairs near Southampton - 14 July to 12 September 2025
To work safely, we’ll close the M271 carriageway from junction 3 of the M27 to Redbridge roundabout on these dates:
14 July to 5 August – M271 southbound
Closed overnight weeknights only (9pm to 6am)
Southbound diversion
- you'll be diverted north on the M271
- then take the A3057 Romsey Road and A35 Tebourba Way
- re-join the M271 at Millbrook Road Way
6 August to 3 September – M271 northbound
Closed overnight (9pm to 6am) weeknights only.
11 and 12 September – M271 northbound
Closed overnight (9pm to 6am) weeknights only.
Northbound diversion
If you’re heading northbound from the A33 or A35:
- you’ll be diverted to the roundabout at A33 Millbrook Road Way
- from Millbrook Road Way, take the A35 Tebourba Way to the A3057 Romsey Road
- take the A3057 Romsey Road north
- join the M271 at Romsey Road Roundabout
We're using rapid setting concrete so we can re-open the road during the day.
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.
Maintenance work on the M3
You can find more details about the maintenance schemes taking place on the M3 below:
M3 Junction 4 Frimley slip road resurfacing – 17 to 19 June 2025
We’re resurfacing the southbound entry slip road of the M3 at junction 4 (Frimley) to improve its skid resistance and provide you with safer journeys.
To do this we need to close the slip road overnight, 9pm to 6am for three nights from Tuesday 17 to Thursday 19 June.
In addition lane one of the M3 southbound will be closed from just before the exit slip road at junction 4 to just after the entry slip road.
Traffic will be diverted via the M3 northbound to junction 3 Lightwater and back southbound.
Please plan ahead and allow extra time for your journey.
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 website. Our travel alerts give details of live incidents on our network.
M3 junctions 2 to 3 Chobham Road improvements - 28 July to 6 August 2025
We're working on the M3 Windsor Road overbridge between junctions 2 and 3 in Surrey during the summer period.
Works include:
- resurfacing
- bridge joint replacement
- concrete repairs underneath the bridge
Closures
We'll need these closures while we work. Sometimes circumstances, like the weather, will delay us. If we need to take more time for our work, we'll update these details.
28 July to 30 July – M3 southbound
Overnight (9pm to 6am) lane closures.
31 July to 2 August – M3 northbound
Overnight (9pm to 6am) lane closures. Weeknights only.
4 August to 6 August – M3 northbound
Overnight (9pm to 6am) lane closures. Weeknights only.
28 July to 4 August – Windsor Road overbridge
Overnight (9pm to 6am) closures.
The road will be closed:
- north of the bridge at B383 Windsor Road/B386 Chertsey Road roundabout
- south of the bridge at B383 Windsor Road intersection with Valley End Road.
There will be access for local traffic south of the bridge at B383 Windsor Road intersection with Staple Hill.
There'll be a diversion via B386 Chertsey Road, B386 Longcross Road, Staple Hill, B383 Windsor Road.
Northbound diversion:
- take Staple Hill Road, then left onto B386 Longcross Road
- head left at roundabout onto B386 Chertsey Road
- rejoin at roundabout B383 Windsor Road.
Southbound diversion
- take B386 Chertsey Road, then right at roundabout onto B386 Longcross Road
- head right onto Staple Hill towards Chobham
- then right to rejoin B383 Windsor Road
5 August to 6 August – Windsor Road northbound
24-hour lane closure (from 9pm to 9pm) under temporary traffic light control. This is to allow concrete underneath the bridge to be strong enough for traffic. Diversion routes will be in place.
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.
Maintenance work on the M4
You can find more details about the maintenance schemes taking place on the M4 below:
Documents

Traffic information
Information about scheduled roadworks and events on our motorways and major roads.Sign up for updates!
Sign up for details of roadworks in this region.