M4 Westbound Closed: J24-J26

Motorists in the UK are advised to plan their journeys carefully following a congestion alert on the M4 Westbound between junctions 24 Coldra and 26 Malpas. The incident, which started on 11 August 2026 at 15:40, is expected to cause moderate delays until 18:40 on the same day. This information has been confirmed by the Welsh Government.

The congestion is causing significant disruption to traffic on the M4, which is one of the UK's busiest roads. As a result, drivers are being urged to consider using alternative routes to avoid the affected area. Those planning to use the M4 Westbound are advised to check traffic updates regularly, ideally using a trusted app or website that provides real-time information on road conditions.

Motorists are also advised to plan their journeys in advance and leave plenty of time to reach their destinations. Drivers who are not familiar with the area should consider taking a detour or using a satnav to find the most efficient route. It is essential to be aware of the potential for congestion and plan accordingly to avoid unnecessary delays.

The Welsh Government, which is responsible for maintaining the M4, has issued a warning to drivers to be cautious and patient when using the affected section of the road. The congestion is not the result of any major incident or accident, but rather a build-up of traffic, which has been exacerbated by the time of day.

While the congestion is unlikely to cause significant delays for drivers who are not familiar with the area, it is still essential to be aware of the potential for slow traffic. Motorists who are planning to use the M4 Westbound are advised to check for updates before setting off and to consider using alternative routes if possible.

For the latest updates on the M4 Westbound congestion, drivers can visit Road Closures UK, a trusted online resource that provides real-time information on road closures and traffic updates across the UK. By planning their journeys carefully and staying informed, drivers can minimize the impact of the congestion and reach their destinations safely and efficiently.