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M4 westbound slip road closure at J16, 18 Aug 2025

Cleared

This incident on the M4 has cleared. It started at 11:36 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
Slip road closure
Category
Incident
Road
M4
Direction
Westbound
Junctions
J16
Location
M4 J16 westbound exit
Started
11:36 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 slip road closure at J16

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  • Cleared

Other M4 closures and crash records

6 other closures are in force on the M4 right now, and 49 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