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M4 westbound carriageway closure between J16 and J17, 5 Oct 2026

Cleared

This incident on the M4 has cleared. It started at 20:18 on Mon 5 Oct and cleared at 00:50 on Tue 6 Oct.

Last updated by National Highways at 20:24 on Monday 5 October 2026.

Closure details and map

Status
Cleared
Closure type
Carriageway closure
Category
Incident
Road
M4
Direction
Westbound
Junctions
J16 to J17
Location
M4 westbound between J16 and J17
Started
20:18 on Monday 5 October 2026
Cleared
00:50 on Tuesday 6 October 2026
Source
National Highways
Last updated by the source
20:24 on Monday 5 October 2026

Map of the M4 westbound carriageway closure between J16 and J17

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  • Cleared

Other M4 closures and crash records

18 other closures are in force on the M4 right now, and 43 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