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CrashStats

M4 westbound lane closure between J17 and J18, 18 Dec 2025

Cleared

This incident on the M4 has cleared. It started at 04:52 on 18 Dec 2025 and cleared at 05:00 on 18 Dec 2025.

Last updated by National Highways at 05:00 on Thursday 18 December 2025.

Closure details and map

Status
Cleared
Closure type
Lane closure
Category
Incident
Road
M4
Direction
Westbound
Junctions
J17 to J18
Location
M4 westbound between J17 and J18
Started
04:52 on Thursday 18 December 2025
Cleared
05:00 on Thursday 18 December 2025
Source
National Highways
Last updated by the source
05:00 on Thursday 18 December 2025

Map of the M4 westbound lane closure between J17 and J18

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  • Cleared

Other M4 closures and crash records

23 other closures are in force on the M4 right now, and 42 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