M4 Eastbound Closed

Motorists are advised to expect congestion on the M4 eastbound between Junction 24 Coldra and Junction 23A Magor due to moderate traffic congestion. The affected stretch of motorway falls under the jurisdiction of the Welsh Government, which has issued an alert. As of 13:43 on 9th August 2026, drivers can expect delays until at least 14:43 on the same day.

The congestion is causing significant disruption to eastbound traffic, with commuters and freight vehicles advised to use alternative routes to avoid the affected area. Motorists are urged to check traffic apps, such as Waze or Google Maps, for up-to-date information on traffic conditions and to plan their journeys accordingly. Drivers are also advised to leave sufficient time for their journeys, taking into account the expected delays.

It is worth noting that the Welsh Government has issued an alert in relation to this incident, providing information and guidance to motorists. As the highway authority responsible for maintaining the M4, the Welsh Government is working to restore normal traffic flow as soon as possible. However, in the meantime, drivers can expect delays and are advised to exercise caution when navigating the affected area.

For those unfamiliar with the area, Junction 24 Coldra and Junction 23A Magor are located near Newport in south-east Wales. The M4 is a major motorway connecting London to Swansea, making it a crucial route for commuters and freight vehicles. The congestion on the eastbound carriageway is likely to cause significant delays, and motorists are advised to plan their journeys accordingly.

Motorists who are caught in the congestion are advised to remain patient and to follow all instructions from traffic management staff. In some cases, traffic may be temporarily diverted onto slip roads or onto local roads, and drivers are advised to follow all instructions from traffic management staff.

Those who are planning to travel on the M4 eastbound over the coming days are advised to check the Welsh Government's website or social media channels for updates on this incident. Road Closures UK will continue to provide updates on this incident, and drivers can check the website for the latest information on traffic conditions.

For more information about traffic conditions and road closures, motorists are advised to visit Road Closures UK.