M4 : Now clear : Westbound :

M4 : Now clear : Westbound : J39 Groes to J41 Pentyla/Baglan

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 19/03/2026

End Date: 19/03/2026

First Published

19/03/2026 18:08

Reference Number

RNMDA_2026128132

Last Updated

19/03/2026 18:08

Source Agency

Welsh Government

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