M4 : Eastbound : J29 Castleton to J23A Magor :

M4 : Eastbound : J29 Castleton to J23A Magor : Congestion :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 05/05/2026

End Date: 05/05/2026

First Published

05/05/2026 07:11

Reference Number

RNMDA_2026129210

Last Updated

05/05/2026 07:11

Source Agency

Welsh Government

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