M4 : Eastbound : J40 Taibach to J38 Margam :

M4 : Eastbound : J40 Taibach to J38 Margam : Accident : Lane closed : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 31/03/2026

End Date: 31/03/2026

First Published

31/03/2026 12:17

Reference Number

RNMDA_2026128352

Last Updated

31/03/2026 12:17

Source Agency

Welsh Government

Connect with Traffic Wales