M4 : Westbound : J40 Taibach to J43 Llandarcy

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

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 26/06/2026

End Date: 26/06/2026

First Published

26/06/2026 11:57

Reference Number

RNMDA_2026130267

Last Updated

26/06/2026 11:57

Source Agency

Welsh Government

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