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We’ve made improvements to Harfrey's roundabout in Great Yarmouth town to reduce congestion and improve safety in the area. Start date 27 March 2023 End date 7 December 2023 Cost Over £4 million Latest updates Overview Documents Related road projects Latest updates 02 February 2024 We've completed our work at Harfrey's roundabout The £4m alterations to the A47 at Harfrey’s roundabout in…

On 27 May 2025, we introduced a 7.5t weight restriction for heavy goods vehicles (HGVs) on the M48 Severn Bridge. It will last for an estimated 12 to 18 months On this page: Exceptions What will happen Impact Timing Background Routine surveys revealed that the main bridge cables have deteriorated and weakened. We need to reduce the load on these cables to keep the bridge open for most traff…

This page contains information about our Development Consent Order for this scheme and the consultations we've undertaken while developing our proposals. In this section Development Consent Order This scheme is a Nationally Significant Infrastructure Project (NSIP), which means it’s classed as a large, complex infrastructure project that benefits the entire country. To build the scheme, we nee…

Over 24 miles of new or improved pathways In this section In Thurrock, Brentwood, and Havering, we are creating new pathways and bridges, as well as improving existing pathways, to better connect the community to heritage areas, equestrian centres, places of employment, parks, and woodlands. Four new green bridges will sit throughout this network of pathways, helping to connect the community to…

A landscape-led highways scheme that will deliver a safe and resilient free-flowing road while conserving and enhancing the special character of the Cotswolds National Landscape. Our scheme will improve the connection between two dual carriageway sections of the A417 at Brockworth and Cowley. Start date Early 2023 End date 2027 Cost £250 to £500 million Latest updates Overview Documents We'…

Over 12 miles of new or improved pathways In this section In Kent, we are creating new pathways and bridges, as well as improving existing pathways, to offer a combination of shorter looping trails and longer routes. Connecting this network of pathways to the area’s rich mosaic of parks and woodland are three new green bridges, including an 84m green bridge over Thong Lane – one of the largest …

A66 Northern Trans-Pennine We'll be improving the A66 between the M6 at Penrith and A1(M) at Scotch Corner. The project will involve upgrading single carriageway sections of road to dual carriageway standard and making improvements to the junctions along the route. Latest updates About …

We align our projects with our five innovation themes: design, construction and maintenance​ connected and autonomous vehicles​ customer mobility​ energy and environment ​ operations Our projects are generally cross-cutting, applying to more than one theme. Design construction and maintenance Trimble SiteVision– augmenting reality × Trimble SiteVision– augmenting reality The challenge …

Research publications can be found listed below within year order. 2024-25 publications Application of biocementation to improve a well-graded granular material against cyclic loading (external link) Automating construction of road digital twin geometry using context and location aware segmentation (external link) Bayesian dynamic modelling for probabilistic prediction of pavement condition (e…

National Highways has committed to deliver a suite of safety improvements along the A21 route corridor from Sevenoaks to Hastings. We have brought forward this package of works in recognition of the safety improvements they will make to the travelling public and local communities. Start date December 2020 End date Spring 2025 Cost Estimated £20m Latest updates Overview Documents Latest upda…