East - Maintenance schemes

In late 2024 the culvert supporting the A1 over Billing Brook at Water Newton near Peterborough was damaged in a traffic collision.

As a result, we had to close the A1 southbound lane one over Billing Brook for safety reasons.

We need to temporarily re-align the A1 southbound so we can open two lanes for traffic while avoiding the damaged culvert

We'll start overnight preparations for main works from 1 September. On 12 September, we'll start realigning the carriageway. We expect this will take us seven weekends, weather permitting.

We'll start repairing the damaged culvert in 2026-27. 

Temporary speed limit

We'll impose a temporary 40mph speed limit:

• while we work
• when we re-open two narrow lanes to traffic on the temporary alignment

Closures

We'll need to close the A1 southbound between Wansford and Alwalton while we work:

Monday 1 to Friday 12 September

Overnight lane closures (9pm - 5am) on weeknights only.

Monday 8 to Thursday 11 September - A1 southbound carriageway and A1 northbound lane 2

Closed overnight (9pm - 5am).

Friday 12 September to late October - A1 southbound carriageway and A1 northbound lane 2 weekend closures

Closed every weekend between 9pm Friday and 5am Monday.

Diversion

If you're travelling southbound on the A1 through Wansford:

• exit the A1 at Wansford Interchange onto the A47 
• exit the A47 at Thorpewood Interchange onto the A1260 
• continue on the A1260 to Hampton Roundabout 
• turn right onto the A1139 
• rejoin the A1/A1(M) at Fletton Parkway Interchange  

View diversion route

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.

Work

We’re resurfacing the A12 southbound between junctions 19 and 18.To provide a safer and smoother road, whilst reducing the need for future maintenance. 

We’ll work weeknights only (9pm to 5am) for two weeks from Monday to Thursday, starting from Monday 1 September to Thursday 11 September, weather permitting. 

Closure

To work safely, we’ll need the following closure. 

Monday 1 September to Thursday 11 September:

• A12 junctions 19 to 18 southbound
• closed overnight (9pm to 5am) 

Diversion 

Road users heading south on the A12 via junction 19:

• should join the A138
• at the Army and Navy Roundabout, take the third exit onto Princes Road.
• continue along Princes Road to Widford Roundabout
• at Widford Roundabout, take the first exit onto the A414 (London Road)
• follow the A414 to junction 15 of the A12
• from junction 15, road users can rejoin the A12 and continue their journey southbound

Diversion route map

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

Closures and diversions

We'll work overnight on weekdays only, from 8pm to 6am, Monday 11 August to Saturday 4 October 2025. Work depends on weather conditions.

Saturday 30 August - A421 westbound from Marsh Leys Interchange to Marston Moretaine

Closed overnight (8pm to 6am). We need this extra closure to finish our work.

Diversion

• Woburn Road
• continue to Bedford Road
• then rejoin A421 westbound at Marston Moretaine Roundabout

A421 westbound from Marsh Leys Interchange to Marston Moretaine diversion route

Tuesday 26 August to Saturday 6 September - A421 westbound from Marsh Leys to M1 junction 13

Closed overnight (8pm to 6am).

Diversion

• head eastbound on A421 to Elstow Interchange
• take A6 towards Clophill
• at Clophill Roundabout take 3rd exit onto A507, continue west to rejoin A421

A421 westbound from Marsh Leys to M1 junction 13 diversion route

Monday 8 September to Saturday 4 October - A421 eastbound from M1 junction 13 to Marsh Leys

Closed overnight (8pm to 6am).

Follow the diversion for A421 westbound from Marsh Leys to M1 junction 13  in the opposite direction.

This work is part of ongoing improvements including A421 noise barrier replacement and A421 Marston Moretaine pumping station work.

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 resurfacing the A47 between Shoreboat Roundabout to Pullover Roundabout, near Kings Lynn. 

We’ll work over nine nights (8pm to 6am) between Monday 1 and Friday 12 September 2025 weeknights only, weather permitting. 

Closures and diversions 

To work safely, we'll need to close the A47 between Shoreboat Roundabout and Pullover Roundabout, and divert traffic as detailed below: 

Travelling eastbound 

• From Hardwick Roundabout travel onto the A10 southbound towards Denver 
• Turn onto the A1122 at Downham Market ·
• Continue on the A1122 to the A1101 
• Rejoin the A47 at Wisbech Roundabout and continue on your journey

Travelling westbound 

• Follow the same diversion as above, but in reverse.

View diversion routes

Work

We need to replace bridge joints and carry out resurfacing work at Trowse Interchange on the A47. This will ensure the A47 continues to remain in a safe and serviceable condition. 

We'll work overnight (8pm to 6pm) from Monday 15 September to Saturday 20 September, weather permitting. 

Closures and diversions 

To work safely, we will need to close the westbound carriageway on the A47 at Trowse Interchange, and divert traffic as detailed below: 

Traffic travelling westbound on the A47 will need to: 

• Exit the A47 at Trowse Interchange
• rejoin the A47 westbound using the on-slip road at Trowse Interchange 

To complete the westbound work, we will also need to close one lane on the eastbound carriageway. 

A47 Trowse Interchange diversion map

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

We’re starting to upgrade technology along the M1 between junction 6a and 10, near Hemel Hempstead. 

This will involve upgrading the current communication network on the M1 both northbound and southbound simultaneously. This is aimed at enhancing monitoring and safety for drivers. 

We’ll work overnight (10pm to 5am) from Monday 7 July 2025 and we aim to complete by Friday 29 August 2025, weather permitting

To upgrade the communication network (installing new cables), we'll need to close parts of the road overnight. 

This will include closing the hard shoulder, lane 1, and lane 2, as well as the entry and exit slip roads between junctions 6a and 10. Drivers will be directed along a clearly signed diversion route. 

Testing and connecting the cables, will take place during the day, but this will only require the hard shoulder to be closed. 

While we upgrade network cables, most of the work will be done under hard shoulder and lane closures, there may be short diversions at times. 

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 

Monday 8 September to December - M1 northbound between junctions 8 (Hemel Hempstead) to 9 (Flamstead) 

Closed overnight (10pm - 5am) wile we work.

We'll mainly work Monday to Friday and on some weekends.

M1 northbound junction 8 to 9 diversion 

If you want to travel northbound on the M1: 

• continue north on the M1, leave at junction 8 then merge into the A414
• continue on the A414, then head north on the Leighton Buzzard Road
• at the roundabout, take the third exit onto Link Road
• continue past Redbourn and rejoin the M1 at junction 9

M1 northbound junction 8 to 9 diversion map. 

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

Work

We’re doing maintenance work to renew road markings on the M11 between junctions 9 and 12, near Cambridge. 

We’ll work overnight from 8pm, Monday 23 June to 6am, Monday 1 September, weeknights only, weather permitting. 

Closures and diversions

To work safely, we’ll need the following closures. 

23 June to 28 June – M11 northbound 

• Closed between junctions 9 and 10 

M11 junctions 9 to 10 northbound diversion 

• Exit M11 at junction 9
• follow A1301 and A505
• rejoin M11 northbound at junction 10 

30 June to 10 July – M11 southbound 

• Closed between junctions 10 and 9

M11 junctions 10 to 9 southbound diversion 

• Exit M11 at junction 10
• follow A505 and A1301
• rejoin southbound at junction 9 entry slip road 

10 July to 24 July – M11 northbound 

• Closed between junctions 11 and 10 

M11 junctions 10 to 11 northbound diversion 

• Exit M11 at junction 10
• follow A505 and A10
• rejoin northbound at junction 11 entry slip road 

24 July to 13 August – M11 southbound 

• Closed between junctions 11 and 10 

M11 junctions 11 to 10 southbound diversion 

• Exit M11 at junction 11
• follow A10 and A505
• rejoin southbound at junction 10 entry slip road 

13 August to 22 August – M11 northbound 

• Closed between junctions 11 and 12 

M11 junctions 11 to 12 northbound diversion 

• Exit M11 at Junction 11
• A10
• A505
• A1198, and A603
• rejoin the M11 northbound at the junction 12 entry slip road 

26 August to 2 September - M11 southbound

• Closed between junctions 12 and 11 

M11 junctions 12 to 11 southbound diversion 

• Exit M11 at Junction 12
• A603
• A1198
• A505, and A10
• rejoin the M11 southbound at the junction 11 entry slip 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.

Work

We’re resurfacing the M11 junction 9 northbound exit slip road.

We’ll work overnight (9pm to 5am) from Tuesday 26 August to Friday 29 August, weather permitting.

Closure

To work safely, we’ll need the following closure:

• Tuesday 26 August to Friday 29 August – M11 junction 9 northbound exit slip road
• Closed overnight (9pm to 5am)

Diversion

Those wishing to leave the M11 at junction 9:

• Continue north on the M11 to junction 10
• before exiting the M11At onto the A505
• follow the A505 until you reach the A505/A11 junction near Granta Park
• from there, you’ll be able to rejoin the A11 heading north.

Diversion route map

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

We’re doing safety improvements on the M11 between junctions 7 and 9. 

We’ll work weeknights only (9pm to 5am) from Monday 8 September to Saturday 20 September, weather permitting. 

Closures and diversions 

To work safely, we’ll need the following closures: 

• M11 junctions 7 to 8 northbound 

Those wishing to travel on the M11 northbound: 

• Exit at junction 7 (Harlow)
• via the A414
• A1184
• A120 
• before rejoining the M11 at junction 8 (Birchanger) 

M11 junctions 8 to 9 road users

Lane closures will be in place between junctions 8 and 9 but no diversion is necessary as road users will still be able to use the single lanes on the carriageway. 

A1025 access from the M11  

Traffic will still be able to access the A1025 from the M11 southbound at junction 7a. 

Other improvements on the M11  

You may see other road improvement works along the M11 between junctions 9 and 12 while this scheme is underway. These are part of a different project but are scheduled to run at the same time.  

M11 junction 7 to 8 northbound closure and diversion map

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