M4 Westbound closed near Magor

Motorists in Wales are facing disruption on the M4 westbound carriageway due to congestion at the J23A Magor offslip, with significant congestion reported from 09:33 on 08 August 2026. The Welsh Government has confirmed the incident, which is expected to clear by 10:17 on the same day.

The M4 is currently experiencing congestion at the J23A Magor offslip, with westbound traffic affected. The Welsh Government advises motorists to exercise caution when approaching the area and to consider alternative routes. Drivers can check the latest traffic updates through various apps and websites, including Road Closures UK, for the most up-to-date information on traffic conditions.

The congestion is causing significant delays, with traffic backed up for several miles. Motorists are advised to check for alternative routes and to consider using the M5 or other nearby roads to avoid the affected area. The Welsh Government has not provided a reason for the congestion, but it is believed to be related to an incident at the J23A Magor offslip.

Motorists who are planning to travel on the M4 westbound carriageway are advised to check the latest traffic updates before embarking on their journey. Regular checks on traffic apps and websites can help drivers plan their route and avoid the congested area. The Welsh Government has advised motorists to be cautious when approaching the area and to follow all traffic signs and directions.

The M4 is a major motorway in Wales, connecting the country to the rest of the UK. The congestion at J23A Magor is causing significant disruption to traffic, and motorists are advised to plan their route accordingly. For the latest traffic updates and information on road conditions, motorists can visit Road Closures UK or other reliable sources.

In the meantime, motorists are advised to exercise caution when driving in the area and to be aware of the congestion. The Welsh Government has advised motorists to follow all traffic signs and directions, and to plan their route in advance. By taking these precautions, drivers can help to reduce congestion and avoid delays.

For the latest information on traffic conditions and road closures, motorists can visit Road Closures UK. The website provides up-to-date information on traffic conditions, road closures, and other travel disruptions. Motorists can also sign up for email alerts to receive the latest information on traffic conditions and road closures. By staying informed, motorists can plan their route and avoid the congested area.