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

Find out where we're taking action to remove or make safe trees affected by Ash Dieback.

We've found large numbers of dead or dying Ash trees. These are a potential safety risk to people on or near our road network.

We need to remove or make safe ash trees identified as needing urgent action.

Closures

While we work, we'll need overnight closures at these locations.

Unless we give other times, closures are 8pm - 6am.

5 to 12 November - M3 southbound junction 8 exit slip to A303

Diversion is by:

M3 southbound to junction 9
then take the A34 northbound to the A34/A303 interchange

6 to 7 November - M4 Junction 12 (9pm to 6am)

Westbound exit slip closure

Diversion:

onto junction 13 and return onto M4 eastbound

7 to 8 November - A34 northbound Enborne Row to Tot Hill (9pm to 6am)

Full closure of A34 NB entry slip by Wash water junction

Full closure of A34 NB exit slip by Wash water junction

Diversions:

entry slip closure diversion southbound to A34 Tot Hill Services junction and return
exit slip closure diversion northbound to A34 junction with B4000/A4

12 to 15 November - A303 eastbound at Micheldever full closure

Diversion:

westbound on the A303
A34 southbound
turning at M3 J9 to go back northbound
A34 then off onto LA network A33
A30 to end at M3 J7 roundabout

17 to 11 November - M3 southbound from junction 8 to 9

Diversion is by:

the A303 and A34

17 to 20 November - M4 Junction 14 (9pm to 6am)

M4 J14 westbound entry slip closure

Diversion is by:

M4 eastbound to junction 13 and return on M4 westbound

24 November to 6 December - A3 southbound carriageway will be closed between Liss interchange and Berelands

A3 southbound carriageway between Liss interchange and Berelands
A3 southbound entry slip at Liss interchange.

Diversion is by:

Liss interchange onto the A3 northbound to Liphook
then via local roads
re-joining the A3 southbound at Berelands

Access: Escorted access will be available for residents, businesses and essential services, including a petrol station, electric vehicle charging station, nursery and school along the route.

24 November to 6 December - A21 both directions from Johns Cross roundabout to Junction Road (Baldslow)

Full carriageway closure

Diversion:

A2100 (London Rd, High St/Upper Lake, Lower Lake, Battle Hill, Hastings Rd, The Ridge W)
A2690 (Queensway) Whitworth Rd

24 to 27 February 2026 - A404 southbound between Bisham interchange and Henley Road junction

Full carriageway closures overnight (9pm to 6am).

We'll also fully close Dungrove Hill Lane.

Diversion:

take the A404 northbound to Westthorpe Interchange
then take Little Marlow Road, Marlow Road, Henley Road (A4155), Northfield End, New St, Thameside, White Hill (A4130) and Henley Road

We apologise for any inconvenience caused during these essential works.

We'll put signposted diversions in place while we work. Please follow our official diversions, not satnav 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.

You can view more details about the maintenance schemes taking place on the A1(M) below:

Works

Safety inspections are taking place within the A1(M) Hatfield Tunnel next month.

Closures and Diversions

The A1(M) will be closed for four consecutive nights from Monday 1 December between 10pm and 5:30am.

A1(M) northbound closed, between junctions 3 and 4

a signed diversion route will be in place by:

the A1(M) junction 3
and the A1001 Comet Way northbound to A1(M) junction 4

A1(M) southbound closed, between junctions 4 and 2

a signed diversion route will be in place by:

the A1(M) junction 4
and the A1001 Comet Way, Roehyde Way southbound to A1(M) junction 2

You can view more details about the maintenance schemes taking place on the A1089 below:

We’re installing new maintenance access points in the A1089 central reservation barrier.

New access points will allow us to divert traffic onto the opposite carriageway when we close the A1089 north or southbound during maintenance. This will reduce long-term disruption in future .

Closures and diversions

We’ll carry out overnight closures to complete the work safely.

Monday 13 October and Saturday 22 November - A1089 southbound between Asda roundabout and Port of Tilbury entrance

Closed overnight (9pm - 4am) on weeknights.

Diversion

Our diversions will use Marshfoot Road, Chadwell Hill, and Fort Road.

For safety, narrow roads such as Gun Hill, Turnpike Lane and Blue Anchor Lane, will become a one-way system overnight.

We'll lower speed limits through residential areas each night for safety until we re-open the A1089 each morning.

Monday 13 October to Friday 7 November - A1089 northbound between the Port of Tilbury entrance and Asda Roundabout.

Closed overnight (9pm - 4am) on weeknights.

Diversion

You’ll be diverted by:

Windrush Way eastbound
Gun Hill, Turnpike Lane northbound
Linford Road westbound
Chadwell Hill southbound
Marshfoot Road westbound to the A126 / A1089 Marshfoot Interchange

A temporary one-way system will operate overnight in a clockwise direction on the following roads:

Gun Hill
Turnpike Lane
Muckingford Road
Blue Anchor Lane
Church Road
Coopers Shaw Road.

Traffic from Rectory Road will need to turn right onto Turnpike Lane or Church Road

Monday 10 to Friday 14 November - A1089 southbound between Asda Roundabout and Port of Tilbury entrance

Closed overnight (9pm - 4am) on weeknights.

Diversion

You’ll be diverted by:

The A1089 / A126 Marshfoot Interchange
Marshfoot Road eastbound
Chadwell Hill northbound
Linford Road eastbound
Turnpike Lane, Gun Hill southbound
Windrush Way westbound

A temporary one-way system will operate overnight in a counter clockwise direction on the following roads:

Coopers Shaw Road
Church Road
Blue Anchor Lane
Muckingford Road
Turnpike Lane
Gun Hill

Traffic from Rectory Road will need to turn left onto Gun Hill or Blue Anchor Lane

Monday 17 to Friday 21 November - A1089 between the Asda Roundabout and A13

Closed overnight (9pm - 4am) on weeknights.

We'll share more details shortly.

Our second phase of work, between the Asda Roundabout and A13, will take place in 2026. Please check back for updates.

This work isn’t part of the Lower Thames Crossing project, but we'll keep the project informed on our progress and coordinate work where necessary.

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.

You can view more details about the maintenance schemes taking place on the A2 below:

You can find more details about the maintenance schemes taking place on the A20 below:

You can find more details about the maintenance schemes taking place on the A2070 below:

You can find more details about the maintenance schemes taking place on the A21 below:

Works

Works are part of a find and fix scheme on the A21 Ebdens Hill between Baldslow and Kent Street.

Closures and Diversion

1 to 12 December weeknights (8pm-6am)

Drivers will use the following roads for the diversion between Johns Cross to Baldslow:

Whitworth Road
Queens Way
The Ridge West
Battle Road
Hastings Road
Battle Hill
Lower Lake
Upper Lake
High Street, Battle
London Road, Battle
London Road, Mountfield

You can find more details about the maintenance schemes taking place on the A23 below:

We're closing the A23 outside Crawley, West Sussex between Handcross and Pease Pottage at night (8pm to 6am) on weeknights for four weeks.

The southbound side will be closed from Monday 27 October until Friday 7 November.

The northbound side will then be closed from Monday 10 November until Friday 21 November.

Diversion routes

When the A23 is closed southbound:

traffic on the M23 southbound will exit at M23 Junction 11
onto the A23 Pease Pottage roundabout
and take the exit for Pease Pottage
continue south on Brighton Road and London Road (B2114)
continue through Handcross High Street (B2110)
and take the exit for A23 at the junction on Brighton Road (B2110)
and then join A23 Handcross southbound entry slip to join A23 southbound.

When the A23 is closed northbound:

traffic on the A23 will divert to the A23 Handcross northbound exit slip
and turn right onto Horsham Road.
continue northbound through Handcross High Street (B2110)
then onto London Road
proceed northbound on Brighton Road (B2114) until reaching the A23 Pease Pottage roundabout.
at the roundabout, take the exit for the M23 J11 entry slip to join the M23 northbound

The A23 in West Sussex will be closed between Patcham, Sayers Common and Bolney on the following nights:

Patcham to Sayers Common

Monday 24 November for 5 nights
Monday 1 December for 5 nights
Monday 8 December for 5 nights
Monday 15 December for 4 nights
Tuesday 7 January for 3 nights
Monday 12 January for 5 nights
Monday 19 January for 5 nights

Bolney to Patcham

Monday 2 February for 5 nights
Monday 9 February for 5 nights
Monday 16 February for 5 nights
Monday 23 February for 5 nights

You can find more details about the maintenance schemes taking place on the A259 below:

You can find more details about the maintenance schemes taking place on the A26 below:

You can find more details about the maintenance schemes taking place on the A260 below:

You can find more details about the maintenance schemes taking place on the A27 below:

Works

We're resurfacing the A27 between Clapham Interchange and Grove Lodge roundabout in both directions.

Closures and Diversions

We'll complete the works in two phases as below:

Phase 1 - Monday 22 September to Saturday 11 October 2025 (8pm-6am)
Phase 2 - Monday 10 November to Saturday 22 November 2025 (8pm-6am)

Diversion for phase 1 will be in place:

by A2700 Titnore lane from Clapham Interchange
onto A2032 Littlehampton Road leading to A24 Grove Lodge roundabout

Diversion for phase 2 will be in place:

by A280 from Clapham Interchange
onto A259 Littlehampton Road from Roundstone roundabout
through to A2032 Littlehampton Road/Poulters Lane leading to A24 Grove Lodge roundabout

We're carrying out drainage survey works on the A3M junction 5 westbound entry slip.

The overnight closures will be carried out on:

22nd September to 19th November 2025 (8pm-6am)

Drivers will be diverted by:

A27/A3M Junction 5 link and use the Junction 5 North roundabout to head eastbound to join the A27
Exit the A27 to join the Langstone roundabout to turn back around and join the A27 westbound.

Works

The proposed works are part of the refurbishment of the A27 Falmer Footbridge Headroom.

These works are critical to ensure the structural integrity of the bridge.

Closures and Diversions

As part of our preparation for these works we'll need to carry out a series of tests and investigations to gather the necessary data for the detailed design. The works will take place overnight for two nights in October and three nights in November if more intrusive surveys are required.

The closures will take place:

4 and 5 October (8pm to 6am)
17 to 20 November (8pm to 6am) if more intrusive surveys are required

Eastbound entry slip closure at Falmer diversion:

join A27 westbound to Carden Avenue roundabout and back on A27 eastbound

Westbound exit slip road closure at Falmer diversion:

carry on and take exit at A2070 for Brighton
or stay on A27 and use Carden Avenue roundabout to re-join A27 eastbound to exit at Falmer

Closures

24 to 28 November 2025 (4 nights) – A27 eastbound carriageway from Boxgrove Roundabout to Fontwell East Roundabout

Fully closed overnight (9pm to 6am).

Eastbound diversion:

from Bognor Road Roundabout, take the A259 Bognor Road eastbound to Angmering
at Roundstone Roundabout, take the A280 to Clapham Interchange
at Clapham Interchange, take the A27 back to Fontwell East Roundabout

19 – 23 January 2026 (4 nights) – A27 westbound carriageway from Fontwell East Roundabout to Boxgrove Roundabout

Fully closed overnight (9pm to 6am).

Westbound diversion:

from the A27 Crossbush roundabout, take the A284/B2284 Lyminster Road toward Wick
at the Wick Roundabout, take the A259 toward Chichester
rejoin the A27 westbound at Bognor Road roundabout

You can find more details about the maintenance scheme taking place on the A228 below:

You can find more details about the maintenance scheme taking place on the A282 below:

Work

Essential maintenance work is due to take place at the Princes Road Roundabout, which connects the A282 to Princes Road in Dartford.

Closures

Monday 10 November to Monday 24 November 2025

The roundabout, junction 1b clockwise exit and entry slip roads
and the eastern side of Princes Road
including the A296 in both directions from junction 1b to the junction of the B2500 Watling Street

Overnight closures will be in place from:

10pm to 5.30am on Mondays to Thursdays
11pm to 6am on Fridays
10pm to 6am on Saturdays
10.30pm to 5.30am on Sundays

Each closure will start in the evening and be lifted the following morning.

Diversions

If your travelling clockwise on the A282 and wanting to exit at junction 1b towards Darent Valley Hospital:

Follow the diversion via M25 junction
take the A2 eastbound
exit at Bean junction
then continue along Bean Lane to join the A296 westbound

If your travelling from the Darent Valley Hospital direction and wanting to join the A282 at junction 1b:

Use the diversion via A296 eastbound
follow Bean Lane to the A2 westbound
then join the M25 at junction 2

If your travelling east from the western side of Princes Road (towards Darent Valley Hospital from the A225):

Take the diversion via junction 1b onto the A282 anticlockwise
exit at junction 1a
follow the A206 Crossways Boulevard eastbound
then take the B255 southbound
continue along Bean Lane and join the A296

Access for residents and businesses

Access for residents and businesses will be maintained during the closures.

If you need to access your property during closure times, please speak to a member of our on-site team who will escort you when it is safe to do so.

For residents of the Fleet Estate, access via Princes Avenue will be closed.

A diversion will be in place via:

Green Street Green Road
taking the first exit at the roundabout onto Gore Road and accessing the Fleet Estate via Lunedale Road

You can find more details about the maintenance schemes taking place on the A3 below:

We're resurfacing areas of the A3, between Liphook and Grayshott, on the Hampshire and Surrey border.

We're also carrying out safety barrier maintenance on the northbound carriageway near Longmoor.

A3 southbound closure:

Hogs Back to Liphook 2 to 22 November
overnight closures 9pm to 6am
Monday to Saturday nights

There will be a signed diversion route from the A31 and A325.

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.

We're carrying out overnight and lane closures for replacement of an end of life message sign on the A303 eastbound between Barton Stacey and Bullington.

There will be full eastbound closures from Picket Twenty/A3093 junction to the Bullington/A34 interchange on:

30 September to 2 October (9pm-6am)
13 to 16 October (9pm-6am)

There will also be lane 1 closures only around the message sign we are working on between Barton Stacey and Bullington/A34 interchange on:

29 to 30 September (8pm-6am)
2 to 4 October (8pm-6am)
6 to 11 October (8pm-6am)
16 to 17 October (8pm-6am)

Primary diversion by:

A3093
A303 WB
A3057
A30
re-join at A34/A303 interchange

Secondary diversion in place for Forton exit, The Avenue exit and The Street exit by:

B3048
B3420 Winchester Road
re-joining the main Diversion at B3420/A30 junction

You can find more details about the maintenance schemes taking place on the A303 below:

You can find more details about the maintenance schemes taking place on the A30 below:

You can find more details about the maintenance schemes taking place on the A31 below:

Works

We’re carrying out lighting renewal works at Ringwood roundabout including the slip roads.

To enable us to carry out these works safely, there will be overnight closures to the slip roads and traffic management on the roundabout.

Works will be Monday to Friday between the hours of 8pm to 6am.

Closures

A31 lane closure on outside lane of roundabout

Monday 20 October for four nights

A31 eastbound entry slip road closure

Wednesday 22 October to Tuesday 18 November
Monday 26 January for one night (resurfacing works)

A31 westbound exit slip road closure

Wednesday 19 November to Tuesday 16 December
Tuesday 27 January to Friday 30 January (resurfacing works)

A31 eastbound exit slip road closure

Wednesday 17 December to Friday 19 December
Monday 5 January to Friday 23 January (including resurfacing works)

There will be a signed diversions in place for the closures.

These works will generate some noise, for which we apologise in advance. To minimise noise impact, we’ll be using temporary acoustic barrier.

These works are weather dependant, dates may change.

For more information, visit our webpage nationalhighways.co.uk/se-maintenance.

You can also call our Contact Centre on 0300 123 5000 open 24/7, who will direct your query to the team, or email: info@nationalhighways.co.uk.

You can find more details about the maintenance schemes taking place on the A34 below:

The A34 near Sutton Scotney will be closed in both directions overnight (9pm to 6am) for:

Monday 17 November to Saturday 22 November (5 nights)
Monday 24 November to Wednesday 26 November (3 nights)

Diversion routes

A30 Westbound:

A30 Bullington Lane
Join A34 southbound towards Winchester
Exit A34 towards Worthy Down
Straight at roundabout onto A272 towards Stockbridge
Right at Three Maids Hill roundabout onto A272 towards Stockbridge
Follow A272 to rejoin A30

A30 Eastbound:

Leave A30 onto A272 towards Winchester
Left at Three Maids Hill roundabout
Join A34 northbound towards Newbury
Exit A34 towards Bullington
Right at roundabout onto A30 towards Bullington
Left at roundabout onto A30 Bullington Lane
Right onto A30 Stockbridge Road West

You can find more details about the maintenance schemes taking place on the A40 below:

You can find more details about the maintenance schemes taking place on the A404 below:

You can find more details about the maintenance schemes taking place on the B2500 below:

You can find more details about the maintenance schemes taking place on the M1 below:

You can find more details about the maintenance schemes taking place on the M11 below:

You can find more details about the maintenance schemes taking place on the M2 below:

The M2 London bound will have lane and full closures between junctions 1 and 2 for maintenance works.

Closures

19 to 21 November, 9pm to 6am

M2 London bound full closure between junction 2 off-slip and on-slip, and junction 1 off-slip and on-slip
Lane 1 will remain open between junctions 2 and 1

Lane closures:

10 to 12 November, 8pm to 6am
13 and 14 November, 8pm to 6am
17 and 18 November, 8pm to 6am

Diversion route

Exit at junction 2 and follow the diversion via the A289 Hasted Road
Rejoin the M2 at junction 1

We apologise for any inconvenience and thank you for your patience while we carry out these essential maintenance works.

We'll use a series of overnight lane closures on the M2 between Farthing Corner and Hartlip while we work.

This means access to Moto Medway services will be restricted overnight on these dates:

13 to 17 October - Moto Medway services eastbound entry and exit

closed overnight (8pm - 6am) weeknights

29 October to 7 November - Moto Medway services eastbound entry and exit

closed overnight (8pm - 6am) weeknights

8 to 12 December - Moto Medway services westbound entry and exit

closed overnight (8pm - 6am) weeknights

15 to 19 December - Moto Medway services westbound entry and exit

closed overnight (8pm - 6am) weeknights

You can find more details about the maintenance schemes taking place on the M20 below:

The M20 junction 12 eastbound off-slip will be closed overnight for drainage maintenance works.

Closure

17 to 27 November, 8pm to 6am (Monday to Friday)

M20 junction 12 eastbound off-slip

Diversion

Continue on the M20 eastbound to junction 13
Exit at junction 13 and follow signs for Folkestone at the Castle Hill Interchange north roundabout
Cross Castle Hill Bridge to the south roundabout
Take the exit for the M20 westbound and rejoin the motorway
Exit at junction 12 via the westbound off-slip

We apologise for any inconvenience and thank you for your patience while we carry out these essential maintenance works.

You can find more details about the maintenance schemes taking place on the M23 below:

You can find more details about the maintenance schemes taking place on the M25 below:

You can find more details about the maintenance schemes taking place on the M271 below:

You can find more details about the maintenance schemes taking place on the M3 below:

There will be both day and night time lane restrictions and hard closures on the northbound M3 between Junction 6 (Black Dam interchange) for Basingstoke and junction 5 for Hook.

Monday 6 October - Thursday 16 October (9pm to 6am)

The northbound inside lane will be closed from 9pm to 6am each night for 10 consecutive nights.

Saturday 18 October - Monday 20 October (9pm to 6am)

The northbound M3 will be closed all night (9pm to 6am) for two nights.

Monday 20 October until Friday 21 November (closed 24/7)

The northbound inside lane will be closed 24/7

Friday 21 November - Monday 24 November (9pm to 6am)

For 3 nights the stretch between junctions 6 and 5 will be closed over night each night from 9pm to 6am.

We'll put signposted diversions in place while we work.

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.

Contact us

info@nationalhighways.co.uk

0300 123 5000

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