M4 : Eastbound : JBGT Brynglas Tunnels :

M4 : Eastbound : JBGT Brynglas Tunnels : 01/09/25-03/09/25 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 01/09/2025

End Date: 03/09/2025

First Published

30/08/2025 09:09

Reference Number

RNMDA_2025123246

Last Updated

30/08/2025 09:09

Source Agency

Welsh Government

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