M4 : Westbound : J39 Groes to J43 Llandarcy :

M4 : Westbound : J39 Groes to J43 Llandarcy : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 05/12/2025

End Date: 05/12/2025

First Published

05/12/2025 15:29

Reference Number

RNMDA_2025125801

Last Updated

05/12/2025 15:29

Source Agency

Welsh Government

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