M4 : Westbound : J38 Margam to J42 Earlswood

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

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 03/07/2026

End Date: 03/07/2026

First Published

03/07/2026 15:03

Reference Number

RNMDA_2026130425

Last Updated

03/07/2026 15:03

Source Agency

Welsh Government

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