M3 road closures & live traffic incidents

No live incident closures on the M3 right now, but 2 roadworks are currently in force.

Live M3 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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M3 roadworks in force now

M3 northbound lane closure marker post 60/6 to 59/6

Active Roadworks National Highways

Harley Wintney M3 · M3 Eastbound At The Fleet Services Between J5 And J4A

Expected to clear in 6 hours 4 minutes

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

M3 northbound lane closure marker post 60/6 to 59/6

Category: Authority Operation

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M3 northbound lane 3 closure (76/3 to 72/3)

Active Roadworks National Highways

Basingstoke M3 · M3 Eastbound Within J6

Expected to clear in 6 hours 4 minutes

Started 5 Aug 2026, 18:08 Expected clear 6 Aug 2026, 05:00

M3 northbound lane 3 closure (76/3 to 72/3)

Category: Road Maintenance

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Recently cleared on the M3

All live closures M3 closure history