M4 : Westbound : J42 Earlswood to J43 Llandarcy :

M4 : Westbound : J42 Earlswood to J43 Llandarcy : Congestion :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 29/05/2026

End Date: 30/05/2026

First Published

29/05/2026 11:37

Reference Number

RNMDA_2026129672

Last Updated

29/05/2026 11:37

Source Agency

Welsh Government

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