M4 : Westbound : J39 Groes to J42 Earlswood :

M4 : Westbound : J39 Groes to J42 Earlswood : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 20/02/2026

End Date: 20/02/2026

First Published

20/02/2026 14:28

Reference Number

RNMDA_2026127444

Last Updated

20/02/2026 14:28

Source Agency

Welsh Government

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