High Speed 2 (HS2) works on National Highways network

Project information

Works taking place

HS2 works that are taking place on the National Highways network will be shown below.

HS2 contractors need these 24hr full closures:

A4421 near Newton Purcell

  • 8am 20 September to midnight 21 September
  • 8am 27 September to midnight 28 September
  • 8am 25 October to midnight 26 October

A421 near Finmere

8am 4 October to midnight 5 October.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

HS2 contractors need this traffic management for utility work:

Road closures

  • Saturday 13 to Sunday 14 September (6am-11:59pm)
  • Friday 19 to Sunday 21 September 2025 (8pm-11:59pm)

Traffic Management

There will be traffic lights on A422 between Brackley and Westbury: 

  • Monday 28 July to Friday 12 September 2025
  • Monday 15 September to Friday 10 October 2025
  • Monday 13 October to Thursday 23 October 2025

Please follow the signed diversion route. Allow more time for your journey.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

Work

HS2 contractors EKFB are building new road sections and bridges on the A4421 and A421. As part of this work, utilities need to be relocated safely.

Closure

8am Saturday 25 October to 11:59pm Sunday 26 October 2025

The A4421 near Newton Purcell will be fully closed for 24 hours this weekend 

Diversion

A fully signed diversion will be in place

Resident access will be maintained within the closure area

Please follow the signed diversion route and allow extra time for your journey

Do not follow SatNavs.

These works are essential to safely open the new road section later this year.

We apologise for any inconvenience and thank you for your patience.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

A43 northbound layby are closed until 10 October 2025

Expect short delays possible on B4525 and Greatworth temporary road while concrete beams are being moved.

If you use the A43

The northbound layby between the A421 junction and Broad Lane junction is closed. Please use other layby areas along the A43.

If you use the B4525

Expect short delays during beam deliveries. Please follow directions from the police escort.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

Long-term lane closures

From Saturday 23 August to Monday 1 December 2025, one lane will be closed in each direction. Two lanes will stay open.

Business access

HS2 will maintain access for businesses that use the A45 Service Road.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

HS2’s contractors will need these closures while they work:

Between 8pm Monday 13 October and 6am Thursday 16 October

A45 Birmingham Road eastbound entry slip closed overnight (8pm - 6am) each night.

At the same time, there will also be a single lane closure on A45 Birmingham Road eastbound

Please follow fully signed diversion routes and allow more time for your journeys.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

Work

HS2 contractors will need to close the westbound carriageway on the A45 to implement a temporary contraflow traffic management system.

This traffic arrangement is essential to ensure the safety of road users and our workforce, while helping to keep traffic moving and minimise disruption.

Access to businesses will be maintained at all times. 

Closure

9pm on Friday 31 October until 6am on Monday 3 November 2025

  • Full weekend closure of A45 Coventry Road westbound carriageway  

Diversion

When travelling westbound on the A45 Coventry Road towards Birmingham during the weekend closure, please follow the fully signed diversion route and allow more time for journeys. 

If your travelling westbound to the A45 Coventry Road towards Birmingham you will:

  • exit the roundabout onto A452 Chester Road
  • take the slip road to remain on the A452
  • join the B4438 Bickenhill Parkway
  • continue past the NEC/Birmingham International Airport to rejoin the A45 Coventry Road

Please plan and follow the signed diversion route and allow extra time for your journey.

Contact HS2 Helpdesk team all day, every day of the year on: 
Freephone: 08081 434 434 
Minicom: 08081 456 472 
Email: hs2enquiries@hs2.org.uk

HS2 contractors will be carrying out essential utility works on the A452 Chester Road and A45 Coventry Road eastbound exit slip near Stonebridge Island (close to Toby Carvery Stonebridge).

Closures

10pm on Monday 3 November to 6am on Tuesday 4 November 2025

  • A452 Chester Road northbound 
  • A45 Coventry Road eastbound exit slip (towards Toby Carvery) will be closed overnight

6am on Tuesday 4 November to 10pm on Friday 21 November 2025

  • Lanes will be closed on the A452 Chester Road
  • and A45 exit slip while we carry out the works

10pm on Friday 21 November to 6am on Saturday 22 November 2025

  • A452 Chester Road northbound
  • A45 Coventry Road eastbound exit slip (towards Toby Carvery) will be closed overnight

Please plan and follow the signed diversion route and allow extra time for your journey.

Contact HS2 Helpdesk team all day, every day of the year on: 
Freephone: 08081 434 434 
Minicom: 08081 456 472 
Email: hs2enquiries@hs2.org.uk

Monday 13 October to Saturday 25 October 2025 -  A452 Chester Road northbound

Closed overnight (10pm to 6am) each weeknight.

Please follow signed diversion route by the local roads. Allow more time for journeys

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

HS2 contractors will need these overnight (8pm - 6am) closures on:

  • A46 from Stivichall Interchange (Festival Island) to the Thickthorn Island (A452)
  • southbound slip road at Stoneleigh

Friday 26 September

Two lanes northbound between Thickthorn and Stoneleigh closed.

Saturday 27 September

Southbound slip onto the A46 at the Stoneleigh junction and two lanes between Festival Island and Thickthorn closed.

Saturday 4, Sunday 5, Saturday 18 and on Sunday 19 October

A46 fully closed between Festival Island and Thickthorn Island.

Monday 20 October

Southbound slip at Stoneleigh and two lanes south between Stoneleigh and Thickthorn.

There'll be signed diversions for HGV and local traffic. Please follow the signed diversion routes and allow more time for your journey.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

 

HS2 will be carrying out essential works on the:

  • A446 Link Road and Biddles Loop near Bickenhill

To keep you and our workers safe, and to reduce disruption, we'll be working overnight for five nights.

Overnight closures

8pm on Tuesday 4 November to 6am on Sunday 9 November 2025

  •  A446 Link Road and Biddles Loop will be closed each night

Please plan and follow the signed diversion route and allow extra time for your journey.

Contact HS2 Helpdesk team all day, every day of the year on: 
Freephone: 08081 434 434 
Minicom: 08081 456 472 
Email: hs2enquiries@hs2.org.uk

HS2 contractors are extending long-term traffic management on east and westbound carriageways of the M42/M6 link road. 

M42/M6 link road eastbound carriageway

Hard shoulder closed in both directions from M6 southbound junction 4A to M42 . 

M42/M6 link road westbound carriageway

Hard shoulder and one lane closed from M42 southbound junction 8 to the M6 northbound at junction 4A. 

A temporary 50mph speed limit will be in place on both carriageways

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

 

One lane and hard shoulder closed on the M42/M6 link road southbound connector.

This will reduce available lanes from two to one.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

HS2 contractors need these closures while they work

Lane closures - Monday 22 to Friday 26 September - each night from 9pm to 6am

Overnight lane closures on M6 northbound and southbound between junctions 4 and 4A

Full weekend closure - Saturday 27 to Sunday 28 September - from Saturday 3am to Sunday 10pm

M6 closed in both directions between junctions 4 and 4A

M42 junction 7A link to M6 southbound also closed

Please follow the fully signed diversion route and allow more time for journeys.

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

Saturday 27 September to Sunday 28 September 2025

M6 northbound and southbound between junctions 4 and 4A, including M42 junction 7A link to M6 southbound

Closed for full weekend (3am Saturday to 10pm Sunday)

Please follow signed diversion route by the local roads. Allow more time for journeys

Contact HS2 Helpdesk:

Freephone - 08081 434 434

Minicom - 08081 456 472

Email - HS2enquiries@hs2.org.uk

Documents

Traffic information

Information about scheduled roadworks and events on our motorways and major roads.
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