M4 : Westbound : J38 Margam to J42 Earlswood

M4 : Westbound : J38 Margam to J42 Earlswood : Congestion : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 04/11/2026

End Date: 04/11/2026

First Published

04/11/2026 16:53

Reference Number

RNMDA_2026133158

Last Updated

04/11/2026 16:53

Source Agency

Welsh Government

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