M3 road closures & live traffic incidents

No live closures are reported on the M3 right now.

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

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M3 closures planned this week

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

Planned Roadworks National Highways

Basingstoke M3 · M3 Eastbound Within J6

Starts in 18 hours 40 minutes

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

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

Category: Road Maintenance

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

Planned Roadworks National Highways

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

Starts in 19 hours 40 minutes

Starts 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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Recently cleared on the M3

All live closures M3 closure history