M4 : Westbound : J28 Tredegar Park to J29 Castleton :

M4 : Westbound : J28 Tredegar Park to J29 Castleton : Accident : Lanes closed : Delays possible :

Type of event: Incidents

Severity of disruption: Moderate

Start Date: 14/11/2025

End Date: 14/11/2025

First Published

14/11/2025 07:36

Reference Number

RNMDA_2025125210

Last Updated

14/11/2025 07:36

Source Agency

Welsh Government

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