High Speed 2 (HS2) works on National Highways network
Project information
Works taking place
Here are details of HS2 works taking place on our road network
A422 Westbury Road closures and traffic management - June to August 2026
HS2 contractors will need a series of road closures and some traffic management along the A422 between Brackley and Westbury.
Road closures will be in place from Friday 8pm to Monday 5:30am each weekend on:
- 5 to 8 June 2026
- 12 to 15 June 2026
- 19 to 22 June 2026
- 31 July to 3 August 2026
Temporary traffic lights will alternate between east-west of the bridge from:
- 15 June to 1 August 2026
Please follow the signed diversion route. Please allow extra journey time and expect delays.
Contact HS2
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
A4421 and Old Buckingham Road – 10 to 27 July 2026
Location - A4421 and Old Buckingham Road, between Newton Purcell and Barton Hartshorn.
Closures
10 to 13 July, 17to 20 July and 24 to 27 July – A4421 and Old Buckingham Road
Closed (8am-10pm) on these Friday to Monday periods.
Please note both roads will be closed at the same time.
14–17 July – A4421
Closed overnight (8pm-5:30am), ending on the morning of 17 July.
Diversion
An approved diversion route will be in place.
Contact HS2
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
A46 Kenilworth Bypass near Stoneleigh Junction lane and slip roads - 8 and 9 August 2026
7am Saturday 8 to 6am Sunday 9 August
Southbound carriageway lane closures.
8pm Saturday 8 to 6am Sunday 9 August
Southbound slip road onto the A46 at the Stoneleigh junction closed
8pm Sunday 9 to 6am Monday 10 August
Northbound carriageway lane clsoure
Follow signed diversions and allow extra time for your journey.
Contact HS2
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
M6-M42 eastbound link road between M6 junction 4a and M42 junction 8 - Monday 3 and Tuesday 4 August 2026
Closed overnight (9pm-6am) each night. Also includes lane closures on:
- M42 northbound, nearside verge, approximately 250m north of junction 8
- M42 northbound from just south of junction 8 to the Watton Lane bridge
Diversion
- continue to junction 4 and exit onto the slip road
- take the third exit at the roundabout onto the A446 (Stonebridge Road)
- continue south to the A45 roundabout at Stonebridge
- take the third exit onto the A45 westbound and following it to M42 junction 6
From M42 junction 6:
- drivers joining the M42 southbound should take the second exit
- drivers joining the M42 northbound should take the fifth exit, where the diversion ends
Please follow signed diversion and allow extra time for your journey.
Contact HS2
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
M42/M6 link road southbound - August 2023 until further notice
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
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
M42 J9 to J10 overnight closures – July and August 2026
Closures
Wednesday 1 July – Thursday 2 July - M42 northbound between junctions 9 and 10
Closed overnight (9pm – 5am).
Thursday 2 July – Friday 3 July - M42 southbound between junctions 9 and 10
Closed overnight (9pm – 5am).
Monday 27 July – Sunday 2 August - M42 northbound between junctions 9 and 10
Closed overnight each night (9pm – 5am).
Sunday 2 August – Saturday 8 August - M42 southbound between junctions 9 and 10
Closed overnight each night (9pm – 5am).
One direction will remain open at all times. Allow extra time for your journey.
Diversions
Northbound diversion (J9 to J10)
Follow the signed route via:
- the A446
- A38 and A5
Southbound diversion (J10 to J9)
Follow the signed route via:
- the A5
- A38 and A446
Please note: there is a low bridge at Piccadilly (Kingsbury) which is not suitable for HGVs – follow the signed diversion route.
Contact HS2
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
M42 full weekend closures - 24 to 27 July 2026
Traffic management will be in place while crews install beams for the M42 Motorway Box in Solihull and continue deck installation on the Water Orton Viaducts.
Closures
24 July (9pm) – 27 July (5am)
M42 J6 to J9 northbound and J7a to J6 southbound
Also closed during this period: M6 J4a southbound link to M42 (both directions) and the M6 Toll northbound connecting road from M6 J3a to T1.
24 July (10pm) – 25 July (12pm midday)
M6 Toll southbound from T2
Diversions
Signed diversion routes will be in place throughout. Please follow the signs and allow extra time for your journey — you will still be able to reach your destination.
Should you have any questions or concerns about HS2 works contact HS2:
Freephone: 08081 434 434
Minicom: 08081 456 472
Email:HS2enquiries@hs2.org.uk
Mail: FREEPOST HS2 Community Engagement
Hs2 Website
HS2 work in your area
Background
HS2 represents a strategic investment in Britain’s future to create a modern railway for fast, frequent, reliable journeys. It supports the government’s mission to fix our railways, reversing decades of delays, cancellations and overcrowding across the network.
HS2 is a vital part of the government’s mission to rebuild Britain and boost growth. By improving connections, the railway will create a corridor of economic opportunity between London and the West Midlands and promote social mobility. It will give people more freedom to choose where they live and work, and businesses more opportunities to trade and grow.
HS2 is a new high-speed railway which will link London to Birmingham. The government has committed to fund the work to tunnel from Old Oak Common in west London to Euston, bringing services to the heart of the capital.
HS2 has several direct interactions with our strategic road network of motorway and major A roads in the West Midlands, East Midlands and the South East. Construction of new structures, road widening and realignment of roads are required so that the high-speed line can effectively cross our road network. We are committed to working with HS2 Ltd and other partners to plan and co-ordinate our works programmes where we can.
Our roads network is vital to the running of the country and our customers and their safety remains our priority. While HS2 carry out these works we will make every effort to keep you updated and informed in advance of works to help you plan your journeys. We are committed to ensuring safety on our strategic road network and supporting a better-connected future.
These works are being co-ordinated and carried out by HS2 Ltd. For further information about HS2 you can contact HS2 directly.
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