A3 road closures & live traffic incidents

No live incident closures on the A3 right now, but 1 roadwork is 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

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A3 roadworks in force now

A3 northbound lane 1 closure (37/7 to 35/3)

Active Roadworks National Highways

Farnham A3 · A3 Northbound Between A333 And A283 Near Milford (North)

Expected to clear in 4 hours 19 minutes

Started 30 Jul 2026, 20:28 Expected clear 31 Jul 2026, 05:00

A3 northbound lane 1 closure (37/7 to 35/3)

Category: Road Maintenance

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A3 closures planned this week

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

Planned Roadworks National Highways

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

Starts in 18 hours 19 minutes

Starts 31 Jul 2026, 19:00 Expected clear 1 Aug 2026, 05:00

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

Category: Road Maintenance

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A3 Northbound WIsley carriageway closure between the exit and entry slip road

Planned Roadworks National Highways

Hersham A3 · A3 Northbound Within The M25 Junction

Starts in 21 hours 19 minutes

Starts 31 Jul 2026, 22:00 Expected clear 1 Aug 2026, 05:00

A3 Northbound WIsley carriageway closure between the exit and entry slip road

Category: Construction Work

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Recently cleared on the A3

All live closures A3 closure history