M4 : Both directions : J28 Tredegar Park to J24 Coldra

M4 : Both directions : J28 Tredegar Park to J24 Coldra : Road closed : 13/07/26-15/07/26 2000-0600 : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 13/07/2026

End Date: 15/07/2026

First Published

10/07/2026 13:19

Reference Number

RNMDA_2026130578

Last Updated

10/07/2026 13:19

Source Agency

Welsh Government

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