M4 : Eastbound : J38 Margam to J37 Pyle :

M4 : Eastbound : J38 Margam to J37 Pyle : Roadworks : Road closed : Diversions in place : 08/03/26-14/03/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 08/03/2026

End Date: 14/03/2026

First Published

06/03/2026 12:25

Reference Number

RNMDA_2026127829

Last Updated

06/03/2026 12:25

Source Agency

Welsh Government

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