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CrashStats

M4 westbound lane closure between J18 and J19, 8 Aug 2026

Cleared

This incident on the M4 has cleared. It started at 20:03 on Sat 8 Aug and cleared at 20:17 on Sat 8 Aug.

Last updated by National Highways at 20:17 on Saturday 8 August 2026.

Closure details and map

Status
Cleared
Closure type
Lane closure
Category
Incident
Road
M4
Direction
Westbound
Junctions
J18 to J19
Location
M4 westbound between J18 and J19
Started
20:03 on Saturday 8 August 2026
Cleared
20:17 on Saturday 8 August 2026
Source
National Highways
Last updated by the source
20:17 on Saturday 8 August 2026

Map of the M4 westbound lane closure between J18 and J19

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  • Cleared

Other M4 closures and crash records

7 other closures are in force on the M4 right now, and 58 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