M4 : Eastbound : J37 Pyle to J36 Sarn :

M4 : Eastbound : J37 Pyle to J36 Sarn : Carriageway maintenance : Road closed : Diversions in place : 23/03/26-24/03/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 23/03/2026

End Date: 24/03/2026

First Published

22/03/2026 11:52

Reference Number

RNMDA_2026128188

Last Updated

22/03/2026 11:52

Source Agency

Welsh Government

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