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

Hover or tap markers for full details

M40 roadworks in force now

M40 Southbound, Jct 5 to Jct 4, lane 3 and 2 closure.

Planned Roadworks National Highways

Wycombe M40 · M40 Southbound Between J5 And J4

Expected to clear in 6 hours 56 minutes

Started 7 Jul 2026, 21:15 Expected clear 8 Jul 2026, 05:00

M40 Southbound, Jct 5 to Jct 4, lane 3 and 2 closure.

Category: Road Maintenance

View update

M40 northbound, Jct 5 exit slip road closure

Planned Roadworks National Highways

Wycombe M40 · M40 J5 Northbound Exit

Expected to clear in 6 hours 56 minutes

Started 7 Jul 2026, 21:15 Expected clear 8 Jul 2026, 05:00

M40 northbound, Jct 5 exit slip road closure

Category: Construction Work

View update

M40 southbound to A46 northbound link road closure

Active Roadworks National Highways

Royal Leamington Spa M40 · M40 J15 Southbound Exit (After Fast Slip)

Expected to clear in 6 hours 56 minutes

Started 7 Jul 2026, 20:40 Expected clear 8 Jul 2026, 05:00

M40 southbound to A46 northbound link road closure

Category: Road Maintenance

View update

M40 Southbound Jct 11 to Jct 10 lane 3 and lane 2 closures.

Planned Roadworks National Highways

Bicester M40 · M40 Southbound Between J11 And J10

Expected to clear in 6 hours 56 minutes

Started 7 Jul 2026, 20:00 Expected clear 8 Jul 2026, 05:00

M40 Southbound Jct 11 to Jct 10 lane 3 and lane 2 closures.

Category: Road Maintenance

View update

M40 Southbound, Jct 12 to Jct 10, lane 3 and 2 closure.

Planned Roadworks National Highways

Bicester M40 · M40 Southbound Between J12 And J11

Expected to clear in 6 hours 56 minutes

Started 7 Jul 2026, 19:00 Expected clear 8 Jul 2026, 05:00

M40 Southbound, Jct 12 to Jct 10, lane 3 and 2 closure.

Category: Road Maintenance

View update

Recently cleared on the M40

All live closures M40 closure history