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 southbound Chalton entry slip road closure

Active Roadworks National Highways

Petersfield A3 · A3 Southbound Between B2070 And A3(M)

Expected to clear in 2 hours 39 minutes

Started 12 Oct 2026, 19:56 Expected clear 13 Oct 2026, 05:00

A3 southbound Chalton entry slip road closure

Category: Road Maintenance

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A3 closures planned this week

A34 northbound Lane 1 closure (17/2 to 21/2)

Planned Roadworks National Highways

Petersfield A3 · A3 Northbound Within The A272 Near Petersfield (South) Junction

Starts in 16 hours 39 minutes

Starts 13 Oct 2026, 19:00 Expected clear 14 Oct 2026, 05:00

A34 northbound Lane 1 closure (17/2 to 21/2)

Category: Road Maintenance

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A3 Northbound Wisley to M25 Clockwise Jct 10 link road closure

Planned Roadworks National Highways

Hersham A3 · Fast Slip From A3 Northbound To M25 Clockwise

Starts in 18 hours 39 minutes

Starts 13 Oct 2026, 21:00 Expected clear 14 Oct 2026, 04:30

A3 Northbound Wisley to M25 Clockwise Jct 10 link road closure

Category: Construction Work

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Recently cleared on the A3

All live closures A3 closure history