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

Cleared

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M4 closures planned this week

M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

Planned Roadworks National Highways

South Gloucestershire M4 · M4 Eastbound Between J19 And J18

Starts in 25 minutes 33 seconds

Starts 11 Oct 2026, 20:00 Expected clear 12 Oct 2026, 05:00

M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

Category: Road Maintenance

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Recently cleared on the M4

M4 westbound Jct 11 entry slip road closure
Cleared

Cleared 1 day 17 hours ago
M4 westbound Jct 11 entry slip road closure
Cleared

Cleared 1 day 22 hours ago
M4 eastbound lane 1 and 2 closure (47/0 to 44/8)
Cleared

Cleared 2 days 14 hours ago
M4 eastbound Jct 23 to 22 Prince of Wales Bridge carriageway closure
Cleared

Cleared 2 days 19 hours ago
M4 westbound Reading Services closure
Cleared

Cleared 2 days 19 hours ago
M4 eastbound lane 1 and 2 closure (47/0 to 44/8)
Cleared

Cleared 2 days 19 hours ago
Single lane running
Cleared

Cleared 2 days 21 hours ago
M4 eastbound Jct 23 to 22 Prince of Wales Bridge carriageway closure
Cleared

Cleared 2 days 22 hours ago
M4 westbound Reading Services closure
Cleared

Cleared 2 days 23 hours ago
Single lane running
Cleared

Cleared 3 days 24 minutes ago

All live closures M4 closure history