M4 road closure near J24 Coldra to J26 Malpas โ€” M4 Westbound Closed
M4J24 Coldra to J26 MalpasPublished 6 August 2026Road Closures UK

M4 Westbound Closed

Motorists are advised to expect delays on the M4 westbound between Junction 24 at Coldra and Junction 26 at Malpas in south Wales due to severe congestion.

Motorists are advised to expect delays on the M4 westbound between Junction 24 at Coldra and Junction 26 at Malpas in south Wales due to severe congestion. The disruption is currently affecting the evening rush hour on 6th August 2023, with traffic building up from 17:24 and expected to ease by 19:23. Drivers are warned to expect moderate delays and are advised to exercise caution when navigating the affected stretch of the motorway.

The Welsh Government's traffic management team is working to resolve the congestion as quickly as possible, but in the meantime, drivers are urged to consider alternative routes and check traffic apps for live updates. Motorists heading westbound through the area can expect significant delays, and those planning to use the M4 for their evening commute are advised to leave extra time to reach their destinations.

The M4 is a key transportation artery for south Wales, connecting the region to the rest of the UK via the motorway network. The congestion on the westbound stretch between Junction 24 and Junction 26 is causing significant disruptions, particularly for drivers heading towards the M48 and the M5. Those planning to travel in the area are advised to use alternative routes, such as the A449 or the A48, or to consider checking traffic apps for real-time updates on the situation.

Motorists who are already on the M4 are advised to exercise caution and consider using the hard shoulder if necessary. Those who are planning to travel in the area are advised to check the latest traffic information before setting out, and to consider leaving extra time to reach their destinations.

The Welsh Government's traffic management team is working closely with other agencies to resolve the congestion as quickly as possible. Motorists are advised to stay up-to-date with the latest traffic information by checking the Welsh Government's website or by using a reliable traffic app.

For the latest information on traffic disruptions and road closures, visit Road Closures UK, where you can find live updates, traffic maps, and practical advice for drivers. By staying informed and planning ahead, motorists can minimize the impact of disruptions like this and stay safe on the roads.

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Published by Road Closures UK. Contains public sector information licensed under the Open Government Licence v3.0.

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