M4 : Eastbound : J36 Sarn :

M4 : Eastbound : J36 Sarn : Onslip closed : 02/03/26-01/04/26 2000-0600 : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 02/03/2026

End Date: 01/04/2026

First Published

28/03/2026 08:47

Reference Number

RNMDA_2026128300

Last Updated

28/03/2026 08:47

Source Agency

Welsh Government

Connect with Traffic Wales