M4 : Westbound : J38 Margam to J45 Ynysforgan

M4 : Westbound : J38 Margam to J45 Ynysforgan : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 19/06/2026

End Date: 19/06/2026

First Published

19/06/2026 15:19

Reference Number

RNMDA_2026130141

Last Updated

19/06/2026 15:19

Source Agency

Welsh Government

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