M4 : Westbound : J40 Taibach to J46 Llangyfelach

M4 : Westbound : J40 Taibach to J46 Llangyfelach : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 16/10/2026

End Date: 16/10/2026

First Published

16/10/2026 16:29

Reference Number

RNMDA_2026132675

Last Updated

16/10/2026 16:29

Source Agency

Welsh Government

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