M4 : Both directions : J41 Pentyla/Baglan :

M4 : Both directions : J41 Pentyla/Baglan : offslip : Eastbound : onslip : Westbound : Closed : 01/06/26 1930-0000 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 01/06/2026

End Date: 01/06/2026

First Published

29/05/2026 16:14

Reference Number

RNMDA_2026129698

Last Updated

29/05/2026 16:14

Source Agency

Welsh Government

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