M4 : Both directions : J25A Grove Park to J27 High Cross

M4 : Both directions : J25A Grove Park to J27 High Cross : 05/10/26-10/10/26 2000-0600 : Carriageway maintenance : Closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 05/10/2026

End Date: 10/10/2026

First Published

03/10/2026 16:57

Reference Number

RNMDA_2026132295

Last Updated

03/10/2026 16:57

Source Agency

Welsh Government

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