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M4 westbound lane closure between J17 and J18, 28 Sep 2026

Cleared

This roadworks closure on the M4 has cleared. It started at 21:00 on Mon 28 Sep and cleared at 22:03 on Mon 28 Sep.

Last updated by National Highways at 21:48 on Monday 28 September 2026.

Closure details and map

Status
Cleared
Closure type
Lane closure
Category
Road Maintenance
Road
M4
Direction
Westbound
Junctions
J17 to J18
Location
M4 westbound between J17 and J18
Lanes
1 of 4 lanes closed
Started
21:00 on Monday 28 September 2026
Cleared
22:03 on Monday 28 September 2026
Details
M4 westbound Jct 17 to 18 Westbound lane 1 closed
Source
National Highways
Last updated by the source
21:48 on Monday 28 September 2026

Map of the M4 westbound lane closure between J17 and J18

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  • Cleared

Other M4 closures and crash records

17 other closures are in force on the M4 right now, and 44 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