M40 road closures & live traffic incidents

No live incident closures on the M40 right now, but 5 roadworks are currently in force.

Live M40 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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M40 roadworks in force now

M40 Southbound Jct 5 to Jct 4 lane 3 closure

Planned Roadworks National Highways

Wycombe M40 · M40 Southbound Between J6 And J5

Expected to clear in 7 hours 35 minutes

Started 5 Aug 2026, 21:15 Expected clear 6 Aug 2026, 05:00

M40 Southbound Jct 5 to Jct 4 lane 3 closure

Category: Road Maintenance

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Lane 3 closure southbound

Active Roadworks National Highways

Royal Leamington Spa M40 · Link Road From M42 J3A Northbound To M40 Southbound

Expected to clear in 7 hours 35 minutes

Started 5 Aug 2026, 20:02 Expected clear 6 Aug 2026, 05:00

Lane 3 closure southbound

Category: Road Maintenance

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M40 Southbound Jct 11 to Jct 10 lane 1 and lane 2 closures.

Planned Roadworks National Highways

Bicester M40 · M40 Southbound Between J11 And J10

Expected to clear in 7 hours 35 minutes

Started 5 Aug 2026, 20:00 Expected clear 6 Aug 2026, 05:00

M40 Southbound Jct 11 to Jct 10 lane 1 and lane 2 closures.

Category: Road Maintenance

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M40 southbound, Jct 9 to Jct 8, lane 3 and lane 2 closures

Planned Roadworks National Highways

Benson M40 · M40 Southbound Between J9 And J8A

Expected to clear in 7 hours 35 minutes

Started 5 Aug 2026, 19:00 Expected clear 6 Aug 2026, 05:00

M40 southbound, Jct 9 to Jct 8, lane 3 and lane 2 closures

Category: Road Maintenance

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M40 Southbound Jct 14 to Jct 13 hardshoulder closure.

Active Roadworks National Highways

Royal Leamington Spa M40 · M40 Southbound Between J14 And J13

Expected to clear in 2 days 1 hour

Started 5 Aug 2026, 13:50 Expected clear 7 Aug 2026, 22:59

M40 Southbound Jct 14 to Jct 13 hardshoulder closure.

Category: Road Maintenance

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Recently cleared on the M40

All live closures M40 closure history