M4 : Eastbound : J28 Tredegar Park EB Onslip to J26 Malpas

M4 : Eastbound : J28 Tredegar Park EB Onslip to J26 Malpas : Congestion : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 24/07/2026

End Date: 24/07/2026

First Published

24/07/2026 11:01

Reference Number

RNMDA_2026130804

Last Updated

24/07/2026 11:01

Source Agency

Welsh Government

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