A crash on the M4 westbound at junction 25 (B4596 Caerleon Road, Caerleon) has brought traffic to a standstill on Tuesday afternoon. Two lanes are closed, leading to lengthy queues and congestion.
Details of the Incident
The collision occurred around midday on June 30, 2026. Emergency services are on scene, and Traffic Wales has confirmed lane closures. Motorists are advised to expect significant delays and seek alternative routes if possible.
Impact on Traffic
As of 12:00, queueing traffic stretches back several miles. Travel times are expected to be substantially increased. The westbound carriageway is particularly affected, with stop-start conditions reported.
According to Traffic Wales, "Two lanes are closed on the M4 westbound at J25 Caerleon due to a collision. Please allow extra time for your journey."
Advice for Drivers
Drivers heading westbound should consider using the A48 or other local roads to bypass the congestion. Updates will be provided as the situation develops.
