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M4 westbound exit slip road closure at J24 Coldra, 27 Sep 2026

Active roadworks

This roadworks closure on the M4 is in force now. It started at 20:00 on Sun 27 Sep and is expected to clear at 06:00 on Thu 1 Oct.

Last updated by Traffic Wales at 20:00 on Sunday 27 September 2026.

Closure details and map

Status
Active roadworks
Closure type
Exit slip road closure
Category
Clearance Work
Road
M4
Direction
Westbound
Junctions
J24
Location
J24 Coldra
Working hours
20:00 to 06:00 overnight
Started
20:00 on Sunday 27 September 2026
Expected to clear
06:00 on Thursday 1 October 2026
Details
Clearance work, exit slip road closed, diversion
Source
Traffic Wales
Last updated by the source
20:00 on Sunday 27 September 2026

Map of the M4 westbound exit slip road closure at J24 Coldra

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  • Active roadworks

Other M4 closures and crash records

4 other closures are in force on the M4 right now, and 53 more are planned in the next 7 days.

The M4 accident statistics from 1979 to 2025 record 29,200 collisions on the road, 724 of them fatal.

All M4 closures