M4 : Eastbound : J27 High Cross to J23A Magor :

M4 : Eastbound : J27 High Cross to J23A Magor : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 18/03/2026

End Date: 18/03/2026

First Published

18/03/2026 06:51

Reference Number

RNMDA_2026128098

Last Updated

18/03/2026 06:51

Source Agency

Welsh Government

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