M4 : Westbound : Prince of Wales Bridge to JBGT Brynglas Tunnels

M4 : Westbound : Prince of Wales Bridge to JBGT Brynglas Tunnels : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 05/08/2026

End Date: 05/08/2026

First Published

05/08/2026 15:46

Reference Number

RNMDA_2026131012

Last Updated

05/08/2026 15:46

Source Agency

Welsh Government

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