A3 road closures & live traffic incidents

No live incident closures on the A3 right now, but 2 roadworks are currently in force.

Live A3 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

A3 roadworks in force now

A3 northbound lane 2 closure (31.3 - 35.8)

Active Roadworks National Highways

Farnham A3 · A3 Northbound Between A325 And B2131

Expected to clear in 6 hours 29 minutes

Started 31 Jul 2026, 18:56 Expected clear 1 Aug 2026, 05:00

A3 northbound lane 2 closure (31.3 - 35.8)

Category: Road Maintenance

View update

A3 northbound lane 2 closure (14/9 to 21/0)

Active Roadworks National Highways

Petersfield A3 · A3 Northbound Between B2070 And A272 Near Petersfield (South)

Expected to clear in 6 hours 29 minutes

Started 31 Jul 2026, 18:36 Expected clear 1 Aug 2026, 05:00

A3 northbound lane 2 closure (14/9 to 21/0)

Category: Road Maintenance

View update

Recently cleared on the A3

All live closures A3 closure history