A34 road closures & live traffic incidents

No live closures are reported on the A34 right now.

Live A34 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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A34 closures planned this week

A34 northbound lane 1 closure (38/7 to 39/8)

Planned Roadworks National Highways

West Berkshire A34 · A34 Northbound Between A343 And A4

Starts in 8 hours 1 minute

Starts 15 Jul 2026, 19:00 Expected clear 16 Jul 2026, 05:00

A34 northbound lane 1 closure (38/7 to 39/8)

Category: Road Maintenance

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A34 southbound lane 2 closure (3/0 to M3 Jct 9 Roundabout) lane closure and on the roundabout

Planned Roadworks National Highways

Winchester A34 · A34 Southbound Between A33 And M3/A272

Starts in 8 hours 1 minute

Starts 15 Jul 2026, 19:00 Expected clear 16 Jul 2026, 05:00

A34 southbound lane 2 closure (3/0 to M3 Jct 9 Roundabout) lane closure and on the roundabout

Category: Construction Work

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A34 northbound lane 2 closure (83/2 to 87/2)

Planned Roadworks National Highways

Abingdon A34 · A34 Northbound Within The A420 Junction

Starts in 8 hours 1 minute

Starts 15 Jul 2026, 19:00 Expected clear 16 Jul 2026, 05:00

A34 northbound lane 2 closure (83/2 to 87/2)

Category: Road Maintenance

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A34 southbound Peartree to Botley carriageway closure

Planned Roadworks National Highways

Oxford A34 · A34 Southbound Between A420 And A423/A4183 Near Kennington (North)

Starts in 9 hours 1 minute

Starts 15 Jul 2026, 20:00 Expected clear 16 Jul 2026, 05:00

A34 southbound Peartree to Botley carriageway closure

Category: Road Maintenance

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A34 northbound Marcham to Abingdon carriageway closure

Planned Roadworks National Highways

Abingdon A34 · A34 Northbound Between A415 And A4183 Near Kennington (South)

Starts in 9 hours 1 minute

Starts 15 Jul 2026, 20:00 Expected clear 16 Jul 2026, 05:00

A34 northbound Marcham to Abingdon carriageway closure

Category: Road Maintenance

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Recently cleared on the A34

All live closures A34 closure history