A4232 closed: Accident near M4 J33

The A4232 southbound is currently closed following a collision near Junction 33 of the M4 at Capel Llanilltern to St Fagans. The incident occurred on August 15, 2026, and is expected to be resolved by 13:35 the same day. Motorists are advised to utilise alternative routes and check traffic apps for the latest updates as they plan their journeys.

The Welsh Government has confirmed that lane closures are in place on the A4232 southbound, causing moderate delays for drivers in the area. The exact cause of the incident has not been disclosed, but it is understood that emergency services are on the scene attending to the situation. Motorists are advised to exercise caution and follow all instructions provided by traffic management officials.

Motorists travelling to Cardiff and surrounding areas are advised to check traffic apps and social media for the latest updates before embarking on their journeys. Drivers should also consider using alternative routes to avoid the affected area. Those who are already on the road should be prepared for potential delays and allow extra time for their journeys. It is essential to stay safe and patient during this time.

The A4232 southbound closure is affecting traffic flow in the region, and drivers are being advised to use alternative routes such as the M4 and nearby A roads. The Welsh Government and local authorities are working together to resolve the situation as quickly and safely as possible.

For those who need to travel through the area, it is crucial to stay up-to-date with the latest information. Regularly checking traffic updates and following social media accounts for the Welsh Government and local authorities will provide the most accurate and timely information. Motorists can also use Road Closures UK to find the latest information on road closures and traffic updates across the UK.

While the exact cause of the incident is still unknown, it is reassuring to note that emergency services are on the scene attending to the situation. Motorists should continue to follow all instructions provided by traffic management officials and stay safe during this time.

For the latest information on the A4232 southbound closure and other road closures across the UK, please visit Road Closures UK. This website provides the most up-to-date and accurate information on road closures and traffic updates, ensuring that drivers can plan their journeys safely and efficiently.