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

Planned

Cleared

Hover or tap markers for full details

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 2 hours 43 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

View update

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 3 hours 43 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

View update

Recently cleared on the M3

All live closures M3 closure history