A48M : Eastbound : M4 J29A St Mellons to M4 J29 Castleton

A48M : Eastbound : M4 J29A St Mellons to M4 J29 Castleton : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 16/08/2026

End Date: 16/08/2026

First Published

16/08/2026 18:56

Reference Number

RNMDA_2026131243

Last Updated

16/08/2026 18:56

Source Agency

Welsh Government

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