M3 road closures & live traffic incidents

No live incident closures on the M3 right now, but 1 roadwork is 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

Hover or tap markers for full details

M3 roadworks in force now

M3 northbound Jct 10 to Jct 8 carriageway closure

Planned Roadworks National Highways

Winchester M3 · M3 Eastbound Between J9 And J8

Expected to clear in 52 minutes 14 seconds

Started 11 Oct 2026, 20:00 Expected clear 12 Oct 2026, 05:00

M3 northbound Jct 10 to Jct 8 carriageway closure

Category: Construction Work

View update

M3 closures planned this week

M3 northbound hardshoulder closure (79/4 to 78/4)

Planned Roadworks National Highways

Basingstoke M3 · M3 Eastbound Between J7 And J6

Starts in 3 hours 52 minutes

Starts 12 Oct 2026, 08:00 Expected clear 12 Oct 2026, 15:00

M3 northbound hardshoulder closure (79/4 to 78/4)

Category: Road Maintenance

View update

M3 northbound Jct 13 to Jct 12 carriageway closure

Planned Roadworks National Highways

Hedge End M3 · M3 Eastbound Between J14 And J13

Starts in 15 hours 52 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

M3 northbound Jct 13 to Jct 12 carriageway closure

Category: Road Maintenance

View update

Recently cleared on the M3

All live closures M3 closure history