M4 road closures & live traffic incidents

No live incident closures on the M4 right now, but 2 roadworks are currently in force.

Live M4 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.

Live incident

Active roadworks

Planned

Cleared

Hover or tap markers for full details

M4 roadworks in force now

M4 Eastbound Jct 2 exit slip road closure

Active Roadworks National Highways

Hounslow M4 · M4 J2 Eastbound Exit

Expected to clear in 6 hours 39 minutes

Started 13 Oct 2026, 21:00 Expected clear 14 Oct 2026, 04:30

M4 Eastbound Jct 2 exit slip road closure

Category: Construction Work

View update

M4 eastbound lane 3 closure (76/8 to 74/2)

Active Roadworks National Highways

West Berkshire M4 · M4 Eastbound Between J13 And J12

Expected to clear in 7 hours 9 minutes

Started 13 Oct 2026, 18:51 Expected clear 14 Oct 2026, 05:00

M4 eastbound lane 3 closure (76/8 to 74/2)

Category: Road Maintenance

View update

Recently cleared on the M4

All live closures M4 closure history