South West - Maintenance schemes

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.

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

Closures

We'll need a combination of overnight lane and carriageway closures while we work.

Monday 2 and Tuesday 3 March - A38 between Bodmin and Dobwalls

Closed overnight in both directions.

This is in addition to the planned Glynn Valley closure in mid-March for maintenance work

We'll maintain access for residents and businesses.

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

In support of our Net Zero Highways Plan, we are upgrading 70% of the existing bulbs in road lighting lamps to LED by March 2027. 

Closures

We'll need overnight lane closures while we work. Our next work will be:

26 January - 31 March 2026
A30 Penzance to Cheriton Bishop

16 February - 20 March 2026
A38 near Plymouth, Liskeard, Landrake, Latchbrook and South Brent

16 March - 1 April 2026
A36 between Bath and Southampton 

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.

Closures

From now until 26 April – A30 eastbound lane closure (24/7)

Two-way traffic signals are in place to manage delays.

16 March – 26 April

A30 overnight full closure (Monday to Saturday, 8pm – 6am) between Honiton and the A30/A303 junction.

Diversions (overnight closures)

Eastbound:

• Exit the A30 at Honiton (A375/Heathpark junction)
• Follow the A35 to Axminster
• Take the A358 through Chard
• Rejoin the A303

Westbound:

• Follow the same route as eastbound in reverse

Local traffic: 

• Exit at Honiton (A375/Heathpark junction)
• Take the A35 via Axminster
• Follow the A358 through Chard
• Join the old A30
• Rejoin the A30/A303 at Yarcombe (Devonshire Inn)

Access via Stockland Hill to the A30 is also available.

Access to properties within the closure area will be maintained.

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.

Closures 

February 2026 

The scheme will begin with ten days of work to clear vegetation from 16 February with weekday northbound lane closures between 7am until 5pm. 

April – November 2026 

The repair works to the wall will take place from 7 April until November 2026 

We need to close sections of the northbound lane of the A36 using temporary traffic lights 24 / 7 to complete the work safely.

At certain points we'll be working on two sections of the route at the same time.

The lane closures will be less than 200m long and our teams will be on site to monitor and manage traffic queues to minimise delays as much as possible. 

While disruptive, temporary traffic lights allow us to complete complex work that can’t be done overnight, as safely and quickly as possible. 

We always aim to work to the programme, however unforeseen circumstances or adverse weather conditions may mean changes.

Please plan ahead and allow plenty of time for your journeys. 

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.

Work includes:

• a new dedicated left turn lane for eastbound vehicles leaving the A36 into Codford St Peter
• upgraded drainage
• improved pedestrian crossings on the A36 between High Street and Sherrington Lane
• renewed road markings
• improved signs
• vegetation works

Temporary traffic lights

From 20 April – A36 / High Street / Sherrington Lane crossroads

In place 24/7 during works for around seven weeks.

Closures

8pm Friday 8 to 6am Monday 11 May – A36 Salisbury Road to Station Road

Full weekend closure.

Diversion for through traffic by the A303 and A350.

We'll divert local traffic from Codford by Chitterne Road and the B390 towards Knook.

We'll maintain access to Codford St Peter by Salisbury Road / High Street.

8pm Sunday 17 to 7pm Wednesday 20 May – High Street junction (where High Street joins the A36) 

Closed for three days.

Diversion through Codford, rejoining the A36 at Salisbury Road.

Thursday 28 to Saturday 30 May and Monday 1 June - A36 between Salisbury Road and Station Road

Closed overnight (8pm - 6am) each night.

Diversion for through traffic by the A303 and A350.

We'll divert local traffic from Codford by Chitterne Road and the B390 towards Knook.

We'll maintain access to Codford St Peter by Salisbury Road / High Street.

Pedestrian crossing point

We'll put a signed temporary pedestrian crossing on the A36 between High Street and Sherrington Lane. We'll need to move the crossing point slightly depending on the work we're doing.

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

Bloor Homes and Montel Civil Engineering are developing land at Stoketon Cross for new housing.

This includes:

• a new access roundabout onto the A38
• two new access junctions.

Bloor Homes and Montel Civil Engineering will need traffic management at various locations while they work.

For more information, visit Montel Civil Engineering.

Closures

We'll work overnight  (8pm - 6am) Mondays to Fridays.

We'll use a combination of:

• overnight  lane closures (8pm to 6am)
• short sections of overnight carriageway closures (8pm-6am)
• temporary traffic lights
• convoy systems - you'll be escorted through works behind one of our vehicles at reduced speed

We'll signpost diversion routes, if needed, and maintain access for emergency services.

During the day the road will be open as usual. However, please plan ahead 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 or find live travel information on our Traffic England website. Our travel alerts give details of live incidents on our network.

We’re resurfacing the A38 westbound carriageway between Manadon and St Budeaux. 

We’ll be working weeknights (8pm-6am) from Tuesday 7 April.

The road will be open as usual during the day and at the weekend.

Closures

The following westbound closures will be in place on weeknights:

• 7 to 8 April - Manadon to Weston Mill Junction
• 9 to 13 April - Manadon to St Budeaux
• 14 to 16 April - Manadon to Weston Mill Junction
• 17 to 24 April - Manadon to St Budeaux

Diversion by:

• A38
• A386
• Crownhill Road

There will also be an eastbound closure to undertake some surveys on:

• 27 April - St Budeaux to Manadon

Diversion by:

• A38
• Crownhill Road
• A386

Please allow extra time for your journeys. Dates may change at short notice due to weather or operational reasons.

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.

We're investing almost £6million to improve the A46 between Cold Ashton roundabout and London Road junction roundabout.

Our works will improve safety, make journeys more reliable, and reduce the need for future unplanned closures. 

This year, we'll be undertaking several essential schemes on the A46, including:

Phase one (Sunday 18 January – Friday 20 March)

• Geotechnical surveys at Charmy Down
• installing new and upgraded chevron signage at Hartley Bends

To find out more and to keep up to date with our works on the A46, visit our dedicated webpage.

You'll find more information ion this scheme on our page Safety schemes in the South West region.

We are undertaking drainage work on the M4 eastbound between junctions 18 and 17 from February 2026 until March 2027 

This spring there will be lane closures on the M4 between junctions 18 and 17 to allow us to undertake enabling work. 

There will be a 50mph speed limit between August 2026 and March 2027 with narrow lanes in place on the M4. 

While disruptive, narrow lanes with a 50mph speed limit allow us to complete complex work that can’t be done overnight and help us stay on track to meet our project completion date in 2027. 

Closures 

23 February - 21 March 

The M4 will have one lane open in both directions weeknights from 8pm – 6am between junctions 18 and 17. 

Spring 2026 

Further overnight lane closures on the M4 in both directions for more preparation work. 

August 2026 – March 2027 

The M4 will have three narrow lanes running in each direction 24/7 between junction 18 and 17 with a speed limit of 50mph.

Full overnight closures of the M4 will be required to install and removed the narrow lanes.

Signed diversions will be in place via Chippenham for full M4 closures.

Dates and details of these closures will be shared nearer the time. 

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.

Update

We’ve had to pause work on this scheme while we apply for a European Protective Species Licence from Natural England.
 
We remain in close contact with Natural England and we're continuing with other works that we’re able to do in the meantime.
 
We'll share another update once we have a decision on the licence.

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.

Works

We’re renewing road markings and replacing road studs along stretches of the M5 between junctions 22 and 31 until spring 2026.

We’ll work overnight and on weeknights only.

Closures

To work safely, we'll work in phases under a combination of:

• overnight lane closures (8pm-6am)
• short sections of overnight carriageway closures (9pm-6am)

If needed, well signed diversion routes will be in place. 

Please plan ahead and allow extra time for your journeys.

Dates may change at short notice due to poor weather conditions or operational reasons. 

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.