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Dartford – Thurrock maintenance

The Dartford Crossing, also known as the A282, connects directly at both ends with the M25 London Orbital Motorway, one of the busiest motorways in Europe. Carrying over 50 million vehicles a year, the Dartford Crossing is designed to handle 135,000 vehicles a day, but the average is now 150,000 a d…

https://nationalhighways.co.uk/our-roads/south-east/a282-dartford-crossing-maintenance-and-repairs/

M40/M42 interchange safety barrier upgrade

Enhancing safety on this busy gateway for the west Midlands. Latest updates Overview Documents Latest updates 11 December 2024 Overnight closures for planting work While our upgrade of the M40-M42 Interchange was completed before Christmas 2023, several months earlier than planned, we need to…

https://nationalhighways.co.uk/our-roads/west-midlands/m40m42-interchange-safety-barrier-upgrade/

South East - Maintenance schemes

Maintenance schemes taking place in the South East region. Overview Documents The latest maintenance schemes that will be running in this area can be found below in the 'Project information area'. Project information Ash die back works in the South East You can find more details about Ash die …

https://nationalhighways.co.uk/our-roads/south-east/south-east-maintenance-schemes/

M3 Bagshot Heath footbridge

We’re replacing the footbridge which carries footpath 184 over the M3 connecting Whitmoor Road, Bagshot and Lightwater Country Park. Start date Winter 2024 End date August 2025 Cost TBC Latest updates Overview Documents Latest updates 25 July 2025 Footbridge opening confirmed We're pleased…

https://nationalhighways.co.uk/our-roads/south-east/m3-bagshot-heath-footbridge/

South East emergency area retrofit programme

We’re building additional emergency areas to our all lane running smart motorways in the South East. Start date 2024 End date Spring 2025 Cost £390 million national programme Latest updates Overview Documents The safety and confidence of people travelling on England’s motorways and major A-ro…

https://nationalhighways.co.uk/our-roads/south-east/south-east-emergency-area-retrofit-programme/

M4 Prince of Wales bridge resurfacing

We’re resurfacing a section of the M4 Prince of Wales bridge to extend the life of the road surface, providing smoother and safer journeys for motorists. Start date Summer 2024 End date Autumn 2025 Cost TBC Latest updates Overview Documents Latest updates 15 July 2025 Westbound resurfacing …

https://nationalhighways.co.uk/our-roads/south-west/m4-prince-of-wales-bridge-resurfacing/

Clean air zones and our strategic road network

We are supporting local authorities that have implemented clean air zones. These are initiatives to improve air quality through a range of innovative measures In this section Clean air zones can be charging or non-charging. Drivers will pay a fee to enter charging clean air zones, depending on th…

https://nationalhighways.co.uk/our-work/environment/communities/air-quality/clean-air-zones-and-our-strategic-road-network/

High Court injunction for motorways and major A roads

Parts of the strategic road network have been targeted by unlawful protect activity. We secured a wide-reaching civil injunction as part of our continuing and determined attempts to prevent disruption to England’s busiest roads and the health and safety of those using them, including: public servi…

https://nationalhighways.co.uk/about-us/high-court-injunctions-for-motorways-and-major-a-roads/

M5 St Georges bridge repairs

We’re carrying out essential repairs and improvements to St Georges Bridge that carries the M5 over the railway near junction 21 for Weston-super-Mare. Start date Summer 2024 End date Winter 2028 Cost TBC Latest updates Overview Documents Latest updates 25 July 2025 Overnight resurfacing W…

https://nationalhighways.co.uk/our-roads/south-west/m5-st-georges-bridge-repairs/

A34 between Chieveley and Chilton

We are resurfacing sections of the A34 in Berkshire. Start date 16 May 2025 End date July 2025 Cost Approximately £1.7million Latest updates Overview Documents Latest updates 18 July 2025 Weekend work postponed - 18 to 21 July Work planned for this weekend to the A34 northbound between Bee…

https://nationalhighways.co.uk/our-roads/south-east/a34-between-chieveley-and-chilton/