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We’ve trialled 60 mph speed limits on five short sections of our network where action needed to be taken to reduce emissions and improve air quality. In this section What is happening? We have completed our work examining the impact of the 60mph speed limits made to roadside levels of nitrogen dioxide. We've now published the results of our research. Where were these limits in place? Locations where air quality has improved Speed limit trials at these locations are now complete, after evi…

Improving air quality on and around our network In this section We are working with the government to help improve air quality in England by reducing Nitrogen Dioxide (NO2) levels and supporting the delivery of the UK NO2 Plan. The government’s Pollution Climate Mapping (PCM) model identifies roads that might exceed the legal limits for air pollution at 40µg/m³. Some of the roads the PCM has identified are part of our strategic road network (SRN) in England. We've created a map that shows: …

This project will provide a low-noise surface along the M27 between junctions 5 and 7. We're also making significant drainage improvements to the road and safety improvements to the central reservation. All together these measures will ensure a smoother ride for drivers, make the road quieter, improve safety and ensure the road lasts longer. Start date February 2024 End date Spring 2026 Cost Estimated construction cost £83 million Latest updates Overview Documents Latest updates 17 Septe…

We're making improvements to the M27 junction 8 and Windhover roundabout. Start date Autumn 2023 End date TBC Cost £25 - £50 million Latest updates Overview Documents Related road projects Following the Government’s budget announcement on the 30 October 2024, the M27 J8 Southampton scheme has been cancelled. The scheme was identified as having poor value for money and limited economic benefits for the region. It’s essential that the schemes we deliver not only offer provide strong retur…

The M27 runs along the south coast between Cadnam and Cosham in Hampshire and connects Portsmouth and Southampton along the Solent. Overview Documents The M27 is a key route for freight, holiday makers and commuters between the ports towards London and journeys to the west from the M3, A3 and beyond. We’re making a number of improvements to create safer, more reliable journeys for the thousands of people who use it every day. Click the links below to find out more. Project information Upc…

M3 Bagshot Heath Motorway closure diversion route Swinley Forest A322 A332 A30 B386 Crowthorne Windlesham Diversion route Bagshot M3 Junction 3 Owlsmoor A322 Lightwater Sandhurst M3 B311 A30 A325 B311 Donkey Town Camberley Blackwater A322 Bisley A30 Road closure A325 Frimley B3015 M3 Junction 4 Deepcut Frimley Green A321 Brookwood © Crown copyright and database rights 2025 OS AC0000827444 - Diagrammatic plan - Not to scale CRE25_0240

Search Search Filters Clear all Dates For example, 20/01/2022 From To Sort (for mobile device) Showing 1 - 10 of 18 results Link to A shining example of National Highways at its best A shining example of National Highways at its best 16 June 2025 When journalist Kevin Maher’s phone slipped from its hands-free mount on his motorcycle and disappeared onto the M4, he didn’t expect a dramatic rescue mission.      Blog Corporate Transport (general interest) Statistics in media report…

As a National Highways supplier, you'll benefit from our shared knowledge and accumulated experience, enabling you to become more efficient in your practice. In this section Lean efficiencies National Highways and our supply chain are involved in a number of initiatives to improve efficiency and encourage Lean working to increase suppliers’ ability to deliver projects in the most cost-effective manner, without sacrificing quality of work and productivity. There is a dedicated National Highwa…

Our vision is to improve customers' experience through roadworks by implementing the highest safe speed while maintaining the safety of our roadworkers and users. Speed limits help manage risk around roadworks and are often an essential part of the temporary traffic management to ensure the safety of road users. Various factors may determine whether a speed restriction is required, including: the work activity duration of the work safety zones This then supports design of the temporary traf…

Judgment and documents relating to National Highways Limited v Persons Unknown Injunction Order (QB-2021-003576, QB-2021-003626, QB-2021-003737) 9 May 2022 (sealed on 12 May 2022) A2, A20, A2070, M2, M20 – Claim No. QB-2021-003626 National Highways Limited v Persons Unknown Judgment Order (QB-2021-003576, QB-2021-003626, QB-2021-003737) 12 May 2022 National Highways Limited v Persons Unknown Injunction Order (QB-2021-003576, QB-2021-003626, QB-2021-003737) 9 May 2022 (as amended by the Court …