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M4 westbound road closure between J22 and J23, 26 Sep 2026

Active roadworks

This roadworks closure on the M4 is in force now. It started at 21:00 on Sat 26 Sep and is expected to clear at 06:00 on Fri 2 Oct.

Last updated by Traffic Wales at 21:00 on Saturday 26 September 2026.

Closure details and map

Status
Active roadworks
Closure type
Road closure
Category
Roadworks
Road
M4
Direction
Westbound
Junctions
J22 to J23
Location
J22 Pilning/Prince of Wales Bridge to J23 Rogiet
Working hours
21:00 to 06:00 overnight
Started
21:00 on Saturday 26 September 2026
Expected to clear
06:00 on Friday 2 October 2026
Details
Closed, diversions in place
Source
Traffic Wales
Last updated by the source
21:00 on Saturday 26 September 2026

Map of the M4 westbound road closure between J22 and J23

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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