M4 : Eastbound : J40 Taibach :

M4 : Eastbound : J40 Taibach : Cyclic maintenance : Entry slip road closed : Diversions in place : 11/01/26-15/01/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 11/01/2026

End Date: 15/01/2026

First Published

09/01/2026 16:11

Reference Number

RNMDA_2026126474

Last Updated

09/01/2026 16:11

Source Agency

Welsh Government

Connect with Traffic Wales