M4 : Westbound : J33 Capel Llanilltern to J34 Miskin :

M4 : Westbound : J33 Capel Llanilltern to J34 Miskin : 18/03/26-25/03/26 2000-0600 : Resurfacing work : Closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 18/03/2026

End Date: 25/03/2026

First Published

11/03/2026 09:08

Reference Number

RNMDA_2026127917

Last Updated

11/03/2026 09:08

Source Agency

Welsh Government

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