M4 road closures & live traffic incidents

No live closures are reported on the M4 right now.

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

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M4 closures planned this week

M4 eastbound lane 1 closure (46/8 to 45/0)

Planned Roadworks National Highways

Windsor And Maidenhead M4 · M4 Eastbound Between J10 And J8

Starts in 18 hours 26 minutes

Starts 13 Oct 2026, 20:00 Expected clear 14 Oct 2026, 05:00

M4 eastbound lane 1 closure (46/8 to 45/0)

Category: Road Maintenance

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Recently cleared on the M4

M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Cleared

Cleared 43 minutes 35 seconds ago
M4 Eastbound Jct 2 exit slip road closure
Cleared

Cleared 1 hour 33 minutes ago
M4 eastbound lane 3 closure (76/8 to 74/2)
Cleared

Cleared 1 hour 33 minutes ago
M4 eastbound lane 3 closure (76/8 to 74/2)
Cleared

Cleared 6 hours 23 minutes ago
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Cleared

Cleared 9 hours 18 minutes ago
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Cleared

Cleared 19 hours 13 minutes ago
M4 eastbound Jct 18 to Jct 17 hardshoulder closure (166/2 to 161/4)
Cleared

Cleared 19 hours 33 minutes ago
M4 eastbound Jct 20 - lane closure (186/6 to 184/2)
Cleared

Cleared 20 hours 43 minutes ago
M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running
Cleared

Cleared 21 hours 13 minutes ago
M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running
Cleared

Cleared 1 day 4 hours ago

All live closures M4 closure history