A470 : Northbound : Nantgarw

A470 : Northbound : Nantgarw : Cyclic maintenance : Exit slip road closed : Diversion : 07/09/26-19/09/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 07/09/2026

End Date: 19/09/2026

First Published

04/09/2026 14:27

Reference Number

RNMDA_2026131616

Last Updated

04/09/2026 14:27

Source Agency

Welsh Government

Connect with Traffic Wales