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CrashStats

M4 westbound lane closure at J4B, 16 Sep 2026

Cleared

This incident on the M4 has cleared. It started at 05:03 on Wed 16 Sep and cleared at 05:25 on Wed 16 Sep.

Last updated by National Highways at 05:25 on Wednesday 16 September 2026.

Closure details and map

Status
Cleared
Closure type
Lane closure
Category
Incident
Road
M4
Direction
Westbound
Junctions
J4B
Location
M4 westbound within J4B
Started
05:03 on Wednesday 16 September 2026
Cleared
05:25 on Wednesday 16 September 2026
Source
National Highways
Last updated by the source
05:25 on Wednesday 16 September 2026

Map of the M4 westbound lane closure at J4B

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  • Cleared

Other M4 closures and crash records

5 other closures are in force on the M4 right now, and 66 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