South East - Maintenance schemes

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.

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

Closures

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

2 to 24 October - A259 both directions Rye road to Winchelsea (Kettle o' Fish roundabout)

Closed overnight (9pm-6am).

Diversion:

• If you wanted to travel westbound on the A259, instead exit on to The Ridge (B2093) and continue on The Ridge W/A2100 until joining A21 northbound at Johns Cross
• follow A21 northbound until exiting on to the A229 at Cooper’s Corner
• follow A229 until Hawkhurst and then join A268 southbound 
• follow A268 until re-joining A259 at Rye 

19 to 24 October - A27 both directions Southerham roundabout to Berwick roundabout

Closed overnight (9pm-6am).

Diversion:

• if you wanted to travel eastbound on the A27 exit at Southerham roundabout on to the A26 northbound
• continue until reaching Little Horsted roundabout then join the A22 eastbound
• follow the A22 eastbound/southbound all the way until joining the A27 at Polegate

Drivers travelling westbound follow the above in reverse.

22 to 23 October - A27 both directions Offington interchange to Grove Lodge roundabout

Closed overnight (9pm-6am).

Diversion:

• if you wanted to travel eastbound on the A27 exit Offington interchange on to Offington Lane (A2031)
• follow A2031 southbound until it meets Tarring Road eastbound 
• then join the A24 northbound at Worthing and follow until re-joning the A27 at Grove Lodge roundabout

Drivers travelling westbound follow the above in reverse.,

26 October - 6 November - M27 eastbound junction 3 to junction 5 and junction 4 exit slip closure

Closed overnight (9pm-6am).

Diversion:

• If you wanted to exit the M27 at junction 4, instead continue eastbound until junction 5
• exit the M27 at junction 5 and rejoin the M27 westbound
• exit the M27 westbound at junction 4 exit slip 

2 - 6 November (excluding 4 November)- M3 southbound junction 8 to junction 9

Closed overnight (9pm-6am).

Diversion:

• If you wanted to travel southbound on the M3, exit at junction 8 and join the A303 westbound
• exit the A303 at Bullington Cross on to the A34 southbound
• continue southbound on the A34 until rejoining the M3 at junction 9

6 to 18 November - M3 southbound junction 5 to junction 6

Closed overnight (9pm-6am).

Diversion:

• If you wanted to travel northbound on Blackstocks Lane, instead travel eastbound on Greywell Road until joining the A30 eastbound.
• continue on A30 eastbound until exiting on to Crown Lane northbound.

10 - 12 November - A303 Winchester Road eastbound exit slip closure

Closed overnight (9pm-6am).

Diversion for slip closure:

• If you wanted to exit the A303 on to Winchester Road, instead continue eastbound on the A303 and exit on to A3093 northbound.
• continue on A3093 until first roundabout and then exit on to A3093 southbound
• rejoin the A303 westbound and continue until exiting at Hundred Acre Roundabout
• join the A343 from Hundred Acre Roundabout and follow until Folly Roundabout
• exit the Folly Roundabout on to A3057 and continue until reaching the roundabout that joins Winchester Rd 

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

After installing four new access points in the A1089 central reservation barrier, we now need an additional overnight closure to install a specialist high friction treatment to the road surfacing. 

This treatment will improve skid resistance and maintain safe journeys on the network. 

Closure and Diversion 

Sunday 25 October – A1089 northbound between Tilbury Port and the Asda roundabout

Closed overnight (10:30pm-5:30am).

A signed diversion route will be in place via: 

• St Andrew’s Road
• Windrush Way
• Fort Road northbound
• Gun Hill
• Turnpike Lane
• Linford Road westbound
• Chadwell Hill southbound
• Marshfoot Road 

Diversion route map

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

We're replacing three damaged manhole covers on the A2 East Cliff Viaduct (Jubilee Way), Dover, so we can continue to safely access the bridge beams for maintenance. The viaduct carries the A2 over the eastern docks into the Port of Dover.

Earlier this year we replaced 25 manhole covers at this location.

Closures

21 to 25 September - A2 East Cliff Viaduct (Jubilee Way), Dover

Closed overnight (8pm-6am).

Signed diversion routes will be in place during every closure.

Plan ahead and allow extra time for your journey.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

We're undertaking bridge deck refurbishment and the replacement of both expansion joints on the A2 at Patrixbourne.

The deck and expansion joints have worn out and need replacing to keep the structure safe and up to standard.

Lane Closures (8pm-6am)

19 to 20 October

Lane 2 closed both directions.

20 to 22 October

Lane 1 closed both directions.

Lanes reopen fully at the end of each overnight shift, so there's no impact on daytime traffic.

Main works September 2027

Main construction works are planned from September 2027, including weekday overnight shifts and full weekend closures. Diversion routes for this stage will be confirmed closer to the time.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

We've closed the southbound exit slip on the A21 at Vauxhall. The closure is needed following damage to a bridge parapet.

For safety reasons the slip way will remain closed until we carry out repairs.

We'll provide further information on timescales as soon as possible. 
 
Diversion

• stay on the A21 southbound until the Longfield junction
• exit the A21 and re-join northbound

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

Closures

A21 full carriageway from Northbridge Street roundabout to Johns Cross roundabout

Fully closed in both directions overnight (8pm - 6am) on:

• 24 to 28 August
• 12 to 19 September

A21 northbound from Hastings diversion - 

• exit at Ebden's Hill / A28 Westfield Lane junction
• follow A28 through Westfield Lane, Church Lane, Main Road, Brede Bridge, Brede Hill, Oakfield Cottages, King Wood Hill, Northiam Road, Main Street and Station Road
• continue on A268 via Queen Street, Megrims Hill, Rye Road, High Street and Hawkhurst Road
• re-join A21 at Flimwell Junction

A21 northbound from closure point (John's Cross roundabout) diversion -

• join A21 southbound until reaching Westfield Lane and join A28 Westfield Lane
• continue northbound on the A28 via Westfield Lane/ Church lane/ Main Road/ Brede Bridge/ Brede Hill/ Oakfield Cottages/ King Wood Hill/ Northiam Road/ Main St/Station Road
• then continue along the A268 Queen Street/ Megrims Hill/ Rye Road/ High street/ Hawkhurst Road
• turn right onto the A21 at Flimwell Junction where the diversion ends. 

A21 southbound from Elimwell diversion -

• turn onto A268 at Flimwell Junction
• follow Hawkhurst Road, High Street, Rye Road, Megrims Hill and Queen Street
• continue on A28 via Station Road, Main Street, Northiam Road, King Wood Hill, Oakfield Cottages, Brede Hill, Brede Bridge, Main Road and Church Lane to Westfield Lane to the A21

A21 southbound from closure point (Northbridge Street roundabout) diversion -

• take A21 northbound to Flimwell Junction
• turn left onto the A268 at Flimwell Junction and continue on Hawkhurst Road, High Street, Rye Road, Megrims Hill, Queen Street
• then continue along the A28 via Station Road, Main St, Northiam Road, King Wood Hill, Oakfield Cottages, Brede Hill, Brede Bridge, Main Road, Church Lane and Westfield Lane to the A21

These side roads will remain open for access only:

• Poppinghole Lane
• Mountfield Court Drive
• George Hill
• Redlands Lane

We can provided escorted access for residents and businesses on the A21 between Northbridge Street roundabout and Johns Cross roundabout. If you live on the A21, we encourage you to use side roads to access your property.

Non-residents must follow diversions.

We'll maintain access for emergency services.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

We're stabilising the embankment that supports the footpath on the southbound carriageway of the A21.

Work includes:

• clearing vegetation
• planting willow poles that will grow into trees
• installing safety barriers.

Traffic management

• 15 September to 9 November 2026 (weekdays only 8am-5pm)
• 11 January to 5 February 2027 (weekdays only 8am-5pm)

Two-way temporary traffic lights on the A21 between the B2099 junction at Swiftsden and Boarzell Lodge (around 300m north of the junction).

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

Closures

17 – 20 November - A21 northbound and southbound, Morleys to Vauxhall.

Lane 1 closed overnight (8pm - 6am) each night, reopening fully by morning.

Main works July 2027

The main construction works are planned for July 2027, with 4 overnight weekday shifts and 4 full weekend closures.

A21 northbound and southbound, Morleys to Vauxhall - July 2027

Diversion 

• follow the A26 through Tonbridge
• continue via the A227, using local roundabouts and roads
• rejoin the A21 northbound beyond the closure

A21 Quarry Hill southbound exit slip closure - bridge joint works at Quarry Hill.

Diversion 

• stay on the A21 southbound
• exit via A26 Pembury Road / Vauxhall Roundabout
• follow Woodgate Way through Tonbridge
• continue to Quarry Hill Road and rejoin the A21 at Quarry Hill interchange

Further details will follow once confirmed.

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

We're undertaking lighting works on the A23 London Road at Gatwick.

Closures

7 September to 9 October - A23 London Road to A23 Airport Way eastbound entry slip

Closed overnight (9pm-4am).

Diversion:

• continue on London Road to Gatwick Road roundabout
• turn around and return along London Road
• take the exit towards M23 and Gatwick Airport to join Airport Way

12 October to 13 November - A23 London Road westbound exit slip

Closed overnight (9pm-4am).

Diversion:

• continue along London Road to Longbridge roundabout
• turn around and head back along London Road
• leave at the exit for Gatwick Airport, East Grinstead and M23 to join Airport Way
• at the Airport Way roundabout, turn around and continue on Airport Way

16 November to 4 December - A23 London Road westbound entry slip

Closed overnight (9pm-4am).

Diversion:

• take the exit from the roundabout onto Airport Way
• continue to the Airport Way roundabout
• turn around and head back onto Airport Way, taking the first exit towards North Terminal
• turn left onto Perimeter Road North, then left following signs for Horley (A23 N) and Crawley (A23 S)

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

Closures

28 September – 24 October - A26 South Heighton to South Downs Way (both directions)

Closed overnight (8pm - 6am), Monday to Friday only. No closures on 30 September and 9 October.

Southbound diversion-

• head eastbound along the A27
• continue southbound on the A2270
• turn right onto the A259, then westbound along East Dean Road, Eastbourne Road and Newhaven Road

The northbound diversion follows the same route in the opposite direction.

Access for residents and emergency services

We'll escort local residents and emergency services through closures. Pull up to our traffic management gates and wait for one of our staff to assist you.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

We’re resurfacing four roundabouts along the A27 Chichester bypass:

• Stockbridge
• Whyke
• Bognor
• Fishbourne

Closures

The following overnight (8pm to 6am) closures will be in place:

Tuesday 1 to Friday 4 September 

A27 closed from Fishbourne Roundabout to Whyke Roundabout

Monday 7 to Friday 11 September

A27 closed from Stockbridge Roundabout to Bognor Roundabout

Monday 14 to Friday 18 September

A27 closed from Whyke Roundabout to Portfield Roundabout

Monday 21 September to Thursday 8 October (excluding Fridays)

A27 closed from Warblington to Stockbridge Roundabout

Please follow signed diversions and allow extra time for your journeys. 

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

Closures and diversions

Overnight closure of A3 northbound from Dennis Interchange to Clay Lane

• Monday 26 October to Sunday 8 November (9pm-6am)
• Wednesday 18 November to Saturday 21 November (9pm-6am)

Overnight closure of A3 southbound from Burpham to Dennis Interchange

• Tuesday 15 to Friday 18 December (9pm-6am)
• Monday 4 to Thursday 14 January (9pm-6am)

Northbound diversion

• Traffic to leave Dennis interchange and use the A25 east to Parkway
• A3100 and rejoin A3 at Clay Lane junction.
• High sided vehicles are to leave Dennis Interchange and use the A3 southbound
• leave the A3 at university to The Chase
• Guildford Park Road
• Bridge Street
• A322
• A25 east to Parkway
• A3100 and rejoin A3 at Clay Lane junction

Southbound diversion

• Traffic to leave the A3 at Burpham slip road
• A3100 west to Parkway
• A25 to rejoin A3 at Dennis Interchange
• High sided vehicles are to leave the A3 at Burpham slip road
• A3100 west to Parkway
• A25
• A322
• Bridge Street
• Guildford Park Road
• The Chase and rejoin the A3 at University

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

Closures

We'll close the A303:

• eastbound from Parkhouse Cross to Thruxton Village
• westbound from Hundred Acre interchange to Parkhouse Cross

Overnight (9pm - 6am) on:

• Thursday 13 and Friday 14 August
• 17 August to 23 August (Monday to Friday only)

The last closure will end 6am Saturday 24 October.

Eastbound diversion - 

• exit the A303 eastbound at Parkhouse Roundabout
• from the  slip road, head towards Salisbury Road (A338)
• turn right onto Salisbury Road (A338)
• at the roundabout, take the first exit onto the B3084
• continue straight on the B3084
• join the A303 by the slip road, following signs for Andover/Thruxton

Westbound diversion

• exit the A303 westbound - following signs for the A342
• turn right onto Monxton Road-Hundred Acre Roundabout
• take the 1st exit onto Weyhill Road (A342)
• continue on Tidworth Road (A3026)
• take the first exit onto Ludgershall Road (A3026)
• turn left onto Pennings Road (A338)
• at the roundabout take the 2nd exit, Pennings Road (A338)
• take the fourth exit to re-join the A303

Other traffic management:

• 24/7 narrow lanes
• 50mph speed limit through works
• layby closures

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

Closures

A31 between Bere Regis Roundabout and Roundhouse Roundabout (Sturminster Marshall)

Start 2 October and expected to be completed by 23 October (3 weeks).

Closed overnight, Monday to Friday, 9pm - 6am, with a weekend closure 16 - 19 October (9pm Friday to 6am Monday).

Diversions 

Westbound:

• leave the A31 at Roundhouse Roundabout onto the A350 towards Poole
• continue to Upton Roundabout and join the A35 towards Bere Regis
• rejoin the A31 at Bere Regis Roundabout

Eastbound:

• leave the A31 at Bere Regis Roundabout onto the A35 towards Poole
• continue to Upton Roundabout and join the A350 towards Blandford Forum
• rejoin the A31 at Roundhouse Roundabout

Emergency services access will be maintained throughout.

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

Lane closures

October and November - A31 eastbound at New Ocknell

One lane closed overnight (8pm - 6am)

8pm Friday 30 October – 6am Monday 2 November - A31 westbound at New Ocknell 

One lane closed.

Footpath adjacent to A31

We'll need to close the footpath while we move equipment between our compound and the culvert.

At other times, we'll re-open the footpath to let wildlife move through.

Slufters Enclosure carpark

We'll close the carpark 24/7 while we work.

Protecting the New Forest 

We'll be working within the New Forest National Park and Site of Special Scientific Interest (SSSI). We've planned our activities to meet the requirements for working within an SSSI, in partnership with:

• Environment Agency
• Forestry England
• Natural England
• The Verderers of the New Forest 

As well as maintaining the culvert, we'll help wildlife to move safely through it by:

• creating a mammal ledge
• installing fish baffles 

Closures

15 June to 30 October - A34 northbound from Marcham Interchange to Lodge Hill junction

Closed overnight (9pm - 6am) up to seven nights a week.

There will also be daytime narrow lanes and a 50mph speed limit northbound.

Diversion by Marcham Road, Colwell Drive, Copenhagen Drive, Dunmore Road and A4183.

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

We’re undertaking additional structural investigation work between Monday 26 October and Wednesday 25 November at Five Ways Corner, M1 junction 2.

Closures

26 and 27 October - M1 northbound junctions 1 to 5 and M1 southbound junction 2 exit slip road

Closed overnight (10pm-5:30am)

Diversion by:

• M1
• A406 eastbound and A41 northbound
• A1 northbound
• A41 northbound to M1 junction 5

28 October - M1 northbound junctions 1 to 5 and M1 north and southbound junction 2 both entry and exit slip roads

Closed overnight (10pm-5:30am)

Diversion by:

• M1
• A406 eastbound and A41 northbound
• A1 northbound
• A41 northbound to M1 junction 5

2 to 4 November - A1 westbound Great North Way between Parsons Street and the M1 road closure

Closed overnight (10pm-5:30am)

Diversion by:

• A406 for M1 traffic
• and A41 for A1 traffic

Access maintained for Hilltop Garden Residents.

5 to 13 November and 23 to 25 November - A1 Great North Way eastbound entry slip road with A1 southbound Watford Way and A1 northbound Great North way lane closures

Closed overnight (10pm-5:30am)

Diversion by:

• A1
• A41
• A406

Access maintained for residents adjacent to the slip road.

Bunns Lane Bridge bus stop (southbound) suspension.

We'll provide overnight escort access for residential side roads adjacent to the A1 to maintain property access where there is no alternative route in or out.

These investigations will involve several safety checks for the continued safety of the structure.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

We've had to put some temporary metal barriers and restrictions in place on the London-bound carriageway of the M2 Medway Bridge.

They will need to remain in place until we carry out permanent repairs to a damaged parapet barrier. This is expected to take up to six weeks because of the need to order a specialist part.  

Three lanes remain open, but for safety reasons the following restrictions are currently in place London-bound only:

• lane closure
• hard shoulder closure
• 50mph speed limit
• junction 2 exit slip closure 

We're working to re-open the junction 2 exit slip as soon as possible. 

If you need to exit at junction 2, follow this diversion route:

• leave the M2 at junction 3 and join the A229
• travel southbound to the M20, joining at junction 6
• leave the M20 at junction 4
• join the A228 northbound back to junction 2 of the M2

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. Our travel alerts give details of live incidents on our network.

Closures

1 – 15 September - M20 junction 12 coastbound off-slip - (8pm - 6am)

Closed overnight, with some daytime traffic management while barrier works take place.

Diversion: 

• continue to the next junction
• exit and return coastbound to reach junction 12

15 – 30 September - M20 junction 12 Londonbound off-slip - (8pm - 6am)

Closed overnight, with some daytime traffic management while barrier works take place.

Diversion:

• continue to the next junction
• exit and return Londonbound to reach junction 12

Please note the roundabout at junction 12 will also have narrow lanes and outer ring management throughout September while works take place.

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

Closures

14–19 September and 21–26 September – M20 Junction 6 westbound distributor road, exit slip road, Lane 1 and hard shoulder.

Closed overnight (8pm – 6am) each weeknight, reopening each morning.

Diversion

• continue to M20 Junction 4
• exit and return eastbound to reach Junction 6

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

We're undertaking barrier replacement works on the M20 between junctions 7 to 6.

To undertake the works safely there will be overnight lane closures on the westbound carriageway between junctions 7 to 6 and full overnight closures to the exit slip roads.

Closure and Diversion

Monday 5 to Saturday 24 October - M20 westbound junctions 5 and 6 exit slip roads

Closed overnight (8pm-6am).

The hard shoulder will be closed 24/7 for the duration of the works. 

For both exit slips the diversion is to junction 4 and return.

The eastbound junction 5 entry and exit slip roads will remain open and access can be gained by running horse roundabout at junction 6 entry slip.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

The M4 will be closed in both directions between junction 10 (Winnersh) and junction 11 (Reading).

This is needed so Scottish and Southern Electricity Networks (SSEN) can safely run new high-voltage wires across the motorway.

Closure and Diversion

9pm Friday 18 September until 6am Monday 21 September

Through traffic will be diverted by:

• the A329(M)
• and the B3270

Please plan ahead, allow extra time, and follow the signed diversion route rather than sat nav directions.

For more information, visit the SSEN website.

Please remember that closures can change at short notice. You can find the latest information on our daily closures page or check for current incidents, disruptions and delays. Our travel alerts give details of high priority incidents on our network.

Surrey County Council work on the M25 J11

Although the M25 is a National Highways road, the upgrade work at junction 11 is being carried out by Surrey County Council as part of the A320 Housing Infrastructure Scheme (HIF) which supports the delivery of the Runnymede Local Plan.

2 to 5 October - M25 anti-clockwise exit slip weekend slip lane closure

The M25 anticlockwise exit slip road at junction 11 will be closed from 11pm on Friday 2 October to 5am on Monday 5 October.

Motorists will be advised to continue to junction 10 and turn around.

Diversion routes can be found on the A320 improvements webpage.

Project information

The improvements for M25 junction 11 include:

• building an additional lane on the M25 exit slips in both directions
• full signalisation of the roundabout

The works will increase traffic capacity and improve traffic flows, particularly at peak times and are part of the A320 improvements being delivered by Surrey County Council.

Full information on this scheme and latest updates can be found on the Surrey County Council A320 improvements webpage.