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The A432 Badminton Road bridge crosses the M4 on the outskirts of Bristol. Investigations have revealed damage to the bridge which cannot be repaired long term or cost effectively. Start date 12 July 2023 End date TBC Cost TBC Latest updates Overview Documents Latest updates 16 June 2025 Pi…

We’re carrying out resurfacing on the M4 between junctions 17 and 19. Start date Summer 2024 End date Winter 2024 Cost TBC Latest updates Overview Documents Latest updates 20 March 2025 Resurfacing works complete Repairs and maintenance of our motorways are critical for safety reasons. As…

We have completed a study to consider whether there is an alternative key north-south route between the Dorset coast and the M4. The aim of the study was to identify which corridor(s) could provide the main route and potential enhancements. Overview Documents We have produced a brochure which det…

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 …

We’ve made improvements on the M4 between junctions 3 and 12 by adding an additional lane for traffic to help increase capacity and reduce congestion. We’ve also put in place new technology to smooth traffic flows and manage incidents along this stretch. Start date 2018 End date 2022 Cost £848 mi…

We need to resurface M4 eastbound carriageway between junction 13 Chieveley Interchange and junction 12 Theale Interchange, near Reading, West Berkshire. Start date 2 June 2025 End date September 2025 Cost Approximately £5.9 million Latest updates Overview Documents Latest updates 15 May 202…

The elevated section of the M4 spans the A4 Great West Road in Brentford. It carries tens-of-thousands of journeys in and out of west London every day and helps keep motorway traffic separate from local roads. As part of our commitment to making sure this important viaduct remains safe and maintaine…

M4 to Dorset Coast: Strategic connectivity study December 2023 M4 to Dorset Coast - Strategic connectivity study Introduction National Highways is the government organisation which plans, designs, builds, RIS2 identified the need operates and maintains England’s motorways and major A-roads, known as…

Back Published 25 September 2024 Press Release National Highways is warning road users that the M4 north of Bristol will be closed for a full weekend in October as part of the work on the A432 Badminton Road Bridge. The M4 will be closed in both directions between junctions 18 and 19 from 7pm F…

From across Hampshire and Berkshire to Surrey, Sussex and Kent, our 1967 miles of motorways and A-roads take people to visitor attractions like Windsor Castle, Ascot races, Legoland and Wembley Stadium. At holiday time the south coast, including Brighton and Bournemouth, draws the crowds via the M3…