M4 Westbound Closed

Motorists travelling on the M4 in Wales are facing disruption due to severe congestion. The westbound section of the motorway, between junctions 24 Coldra and 26 Malpas, is currently experiencing delays, with traffic building up as of 14:14 on 10 August 2026. The expected end time for this congestion is 20:14 on the same day.

The Welsh Government is advising drivers to be cautious and to check traffic apps for the latest updates before embarking on their journeys. Motorists are also being encouraged to use alternative routes to avoid the congested area. It is essential to plan ahead and leave sufficient time to reach destinations, as the delays are likely to cause significant disruption.

The M4 is a major route connecting the south of Wales to England, making it a crucial artery for both local and long-distance traffic. The current congestion is expected to have a significant impact on traffic flow, particularly during the peak hours. Motorists are advised to check the latest traffic updates before setting out, and to consider using alternative routes to avoid the congested area.

The highway authority responsible for maintaining the M4 is the Welsh Government, which has put measures in place to mitigate the disruption. However, drivers are being advised to exercise caution and to be prepared for delays. The congestion is not expected to be severe, but it is still likely to cause significant disruption to traffic flow.

Motorists are being advised to check traffic apps, such as the Waze or Google Maps, for the latest updates on traffic conditions. These apps provide real-time information on traffic congestion, road closures, and alternative routes. Drivers can also check the Welsh Government's website for the latest updates on traffic conditions and roadworks.

In the meantime, drivers are being advised to be patient and to leave sufficient time to reach their destinations. The congestion is expected to clear once the traffic has moved through the congested area, but motorists are being advised to plan ahead and to consider using alternative routes to avoid the congested area.

For the latest updates on road closures and traffic conditions, please visit the Road Closures UK website. This website provides up-to-date information on road closures, traffic conditions, and alternative routes across the UK. Motorists can also follow the Welsh Government's social media accounts for the latest updates on traffic conditions and roadworks.