M4 : Eastbound : J28 Tredegar Park EB Onslip to J23A Magor :

M4 : Eastbound : J28 Tredegar Park EB Onslip to J23A Magor : Congestion :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 27/04/2026

End Date: 27/04/2026

First Published

27/04/2026 06:42

Reference Number

RNMDA_2026129016

Last Updated

27/04/2026 06:42

Source Agency

Welsh Government

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