0300 123 1213
Rydym yn croesawu galwadau’n Gymraeg. We welcome calls in Welsh.
Rydym yn croesawu galwadau’n Gymraeg. We welcome calls in Welsh.

M4 : Westbound : J24 Coldra to J28 Tredegar Park

  1. Home
  2. Road traffic alerts
  3. M4 : Westbound : J24 Coldra to J28 Tredegar Park
M4 : Westbound : J24 Coldra to J28 Tredegar Park : Carriageway maintenance : Road closed : Diversions in place : 25/10/26-30/10/26 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 25/10/2026
End Date: 30/10/2026

Go to our Contact page to contact us about this traffic alert. Please quote the reference number below.

First Published
23/10/2026 15:06
Reference Number
RNMDA_2026132854
Last Updated
23/10/2026 15:06
Source Agency
Welsh Government
Connect with Traffic Wales