A road traffic accident has occurred on the M4 eastbound, leading to significant delays for motorists. The incident is affecting the stretch between junction 42 A483 (Swansea East / Briton Ferry) and junction 41 (Baglan / Pentyla).
One lane is currently blocked, resulting in queueing traffic in the area. Authorities are on scene, and drivers are advised to allow extra time for their journeys or seek alternative routes.
Live Traffic Map
A live traffic map shows the extent of congestion in the affected area. The red line on the map indicates the most heavily congested sections of the motorway. Motorists can monitor the situation via the map to plan their travel.
Further updates will be provided as more information becomes available.



