M4 : Westbound : J40 Taibach to J43 Llandarcy :

M4 : Westbound : J40 Taibach to J43 Llandarcy : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 23/09/2025

End Date: 23/09/2025

First Published

23/09/2025 16:30

Reference Number

RNMDA_2025123907

Last Updated

23/09/2025 16:30

Source Agency

Welsh Government

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