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M4 eastbound lane closure between J17 and J16, 7 Oct 2026

Active roadworks

This roadworks closure on the M4 is in force now. It started at 21:00 on Wed 7 Oct and is expected to clear at 06:00 on Thu 8 Oct.

Last updated by National Highways at 21:34 on Wednesday 7 October 2026.

Closure details and map

Status
Active roadworks
Closure type
Lane closure
Category
Road Maintenance
Road
M4
Direction
Eastbound
Junctions
J17 to J16
Location
M4 eastbound between J17 and J16
Lanes
1 of 4 lanes closed
Started
21:00 on Wednesday 7 October 2026
Expected to clear
06:00 on Thursday 8 October 2026
Details
lane 1 closure
Source
National Highways
Last updated by the source
21:34 on Wednesday 7 October 2026

Map of the M4 eastbound lane closure between J17 and J16

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  • Active roadworks

Other M4 closures and crash records

21 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