M4 road closure near J48 Hendy to J49 Pont Abraham โ€” M4 Westbound Closed: Delays
M4J48 Hendy to J49 Pont AbrahamPublished 14 August 2026Road Closures UK

M4 Westbound Closed: Delays

Motorists are advised to expect significant delays on the M4 westbound motorway, stretching from Junction 48 at Hendy to Junction 49 at Pont Abraham, due to severe congestion.

Motorists are advised to expect significant delays on the M4 westbound motorway, stretching from Junction 48 at Hendy to Junction 49 at Pont Abraham, due to severe congestion. The Welsh Government has confirmed that the disruption began at 3:43 pm on August 14th, with a predicted end time of 6:42 pm on the same day. The congestion is causing moderate delays for drivers, with commuters advised to plan their journeys accordingly.

The M4 is a major artery in the UK's motorway network, connecting London to South Wales and the South West. This section of the motorway is a key route for commuters and hauliers travelling between the UK's capital and the region. The Welsh Government is working to resolve the congestion as quickly as possible, but motorists are urged to exercise caution and consider alternative routes.

For those caught in the congestion, checking traffic apps such as Waze, Google Maps, or ViaMichelin can provide up-to-date information on traffic conditions and help plan alternative routes. Motorists can also consider using local roads or taking a break to avoid further delays. However, it is essential to note that roadworks and traffic incidents can be unpredictable, and drivers are advised to remain vigilant and follow all traffic signs and instructions from highway authorities.

The Welsh Government has confirmed that they are working closely with local authorities and emergency services to manage the situation and minimise disruptions. Motorists are advised to leave plenty of time for their journeys and to consider the impact of the congestion on their travel plans. With the expected end time approaching 6:42 pm, drivers are urged to monitor traffic updates and adjust their routes accordingly.

The M4 is a vital transport artery in the UK, and disruptions such as this one can have a significant impact on commuters and businesses. While the Welsh Government is working to resolve the congestion as quickly as possible, motorists are advised to take a cautious approach and consider alternative routes. For more information on road closures and traffic updates, please visit Road Closures UK for the latest information on traffic and road conditions across the UK.

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Published by Road Closures UK. Contains public sector information licensed under the Open Government Licence v3.0.

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