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M4 westbound lane closure between J15 and J16, 18 Aug 2025

Cleared

This incident on the M4 has cleared. It started at 11:44 on 18 Aug 2025 and cleared at 11:52 on 18 Aug 2025.

Last updated by National Highways at 11:52 on Monday 18 August 2025.

Closure details and map

Status
Cleared
Closure type
Lane closure
Category
Incident
Road
M4
Direction
Westbound
Junctions
J15 to J16
Location
M4 westbound between J15 and J16
Started
11:44 on Monday 18 August 2025
Cleared
11:52 on Monday 18 August 2025
Source
National Highways
Last updated by the source
11:52 on Monday 18 August 2025

Map of the M4 westbound lane closure between J15 and J16

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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