A48M : Westbound : M4 J29A St Mellons

A48M : Westbound : M4 J29A St Mellons : Roadworks : Road closed : Diversions in place : 06/07/26-07/07/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 06/07/2026

End Date: 07/07/2026

First Published

03/07/2026 18:39

Reference Number

RNMDA_2026130444

Last Updated

03/07/2026 18:39

Source Agency

Welsh Government

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