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A1 Black Cat to Biggleswade

We’ve completed a number of upgrades to the A1 between the Black Cat roundabout just south of St Neots and Biggleswade in Bedfordshire over the last few years. In September 2024, we'll be doing some final maintenance work to signs and resurfacing. Start date October 2022 End date October 2024 Cos…

https://nationalhighways.co.uk/our-roads/east/a1-black-cat-to-biggleswade/

A1 Gap Closures

We’re improving safety on the A1 in the East Midlands by closing gaps in the central reservation Start date 16 July 2025 End date TBC Cost TBC Latest updates Overview Documents Latest updates 04 July 2025 First gaps to close this month First we'll close 13 gaps between Little Ponton and Co…

https://nationalhighways.co.uk/our-roads/east-midlands/a1-gap-closures/

A1 Birtley to Coal House

Traffic on this busy section of the A1 is congested, especially during peak hours – making journeys unreliable. The number of vehicles using the road will increase with new housing and employment developments planned for the area, so road improvements are needed. Start date July-Sept 2021 End date…

https://nationalhighways.co.uk/our-roads/yorkshire-and-north-east/a1-birtley-to-coal-house/

A1 Morpeth to Ellingham dualling

The A1 is one of the country's longest roads, connecting London and Edinburgh. The route currently consists of motorway and dual carriageways, with some sections of single carriageway between Morpeth and Ellingham. Start date TBC End date TBC Cost TBC Latest updates Overview Documents Followi…

https://nationalhighways.co.uk/our-roads/yorkshire-and-north-east/a1-morpeth-to-ellingham-dualling/

A1 noise barrier at Eaton Ford

We’re installing a new noise barrier on the A1 near Eaton Ford. Start date Monday 28 October 2024 End date Early March 2025 Cost TBC Latest updates Overview Documents Related road projects Latest updates 10 January 2025 Work continues during early 2025 We’re installing a new noise barrier…

https://nationalhighways.co.uk/our-roads/east/a1-noise-barrier-at-eaton-ford/

A1 Leeming to Barton

Archaeologists discovered a whole host of rare finds along the A1 in Yorkshire. These gave a unique insight into what life was like over a period of around 4500 years. The discoveries were a result of the construction of our £400 million A1 Leeming to Barton upgrade which created 12 miles of new mo…

https://nationalhighways.co.uk/our-work/archaeology/a1-leeming-to-barton/

A1 Wentbridge Viaduct and Wentedge Road Bridge

Following several reactive repairs, we plan to carry out inspections and resurfacing on Wentbridge Viaduct and a pier replacement on Wentedge Road Bridge. This work is substantial and is likely to cause disruption to customers travelling on the A1. Start date February 2023 End date December 2025 …

https://nationalhighways.co.uk/our-roads/yorkshire-and-north-east/a1-wentbridge-viaduct-and-wentedge-road-bridge/

A1 Scotswood to North Brunton

We’re increasing the current two lanes of the A1 in each direction to three lanes between Scotswood and North Brunton. Start date March 2020 End date November 2022 Cost £100 million to £120 million Latest updates Overview Documents Latest updates 14 November 2022 Minister celebrates success…

https://nationalhighways.co.uk/our-roads/yorkshire-and-north-east/a1-scotswood-to-north-brunton/

A1 Temporary road layout at the A1 & A421 Black Cat roundabout from July 2025 fo...

A1 Temporary road layout at the A1 & A421 Black Cat roundabout from July 2025 following closure of northern section of roundabout. A421 A421 westbound, Bedford Road and A1 northbound traffic. A421 to A1 northbound traffic. A1 southbound traffic only. Concrete barrier separates A1 southbound from oth…

https://nationalhighways.co.uk/media/tlgnwxwp/black-cat-roundabout-layout-map.pdf