M4 : Eastbound : J37 Pyle to J36 Sarn :

M4 : Eastbound : J37 Pyle to J36 Sarn : 16/04/26-17/04/26 2000-0500 : Carriageway maintenance : Onslip closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 16/04/2026

End Date: 17/04/2026

First Published

11/04/2026 08:15

Reference Number

RNMDA_2026128625

Last Updated

11/04/2026 08:15

Source Agency

Welsh Government

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