M4 : Westbound : J38 Margam to J43 Llandarcy

M4 : Westbound : J38 Margam to J43 Llandarcy : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 28/08/2026

End Date: 28/08/2026

First Published

28/08/2026 12:26

Reference Number

RNMDA_2026131467

Last Updated

28/08/2026 12:26

Source Agency

Welsh Government

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