M4 : Eastbound : J38 Margam

M4 : Eastbound : J38 Margam : 17/06/26-18/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 17/06/2026

End Date: 18/06/2026

First Published

13/06/2026 08:08

Reference Number

RNMDA_2026130012

Last Updated

13/06/2026 08:08

Source Agency

Welsh Government

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