A303 road closures & live traffic incidents

No live incident closures on the A303 right now, but 2 roadworks are currently in force.

Live A303 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

A303 roadworks in force now

A303 eastbound lane 2 closure (92/0 to 89/5)

Planned Roadworks National Highways

Basingstoke A303 · A303 Eastbound Between A34 And A30

Expected to clear in 1 hour 18 minutes

Started 3 Aug 2026, 20:00 Expected clear 4 Aug 2026, 05:00

A303 eastbound lane 2 closure (92/0 to 89/5)

Category: Road Maintenance

View update

A303 eastbound Wincanton to Tinkers Hill lane 1 closure (177/5 to 176/7)

Planned Roadworks National Highways

Glastonbury A303 · A303 Eastbound Between A371 And B3081

Expected to clear in 1 hour 18 minutes

Started 3 Aug 2026, 19:00 Expected clear 4 Aug 2026, 05:00

A303 eastbound Wincanton to Tinkers Hill lane 1 closure (177/5 to 176/7)

Category: Road Maintenance

View update

A303 closures planned this week

A303 eastbound lane 2 closure (100/2 to 97/7)

Planned Roadworks National Highways

Basingstoke A303 · A303 Eastbound Between B3048 And A34

Starts in 15 hours 18 minutes

Starts 4 Aug 2026, 19:00 Expected clear 5 Aug 2026, 05:00

A303 eastbound lane 2 closure (100/2 to 97/7)

Category: Road Maintenance

View update

Lane 1 or 2 closure including roundabout and approaches

Planned Roadworks National Highways

Wiltshire A303 · A303 Eastbound Between A345 And A3028

Starts in 15 hours 18 minutes

Starts 4 Aug 2026, 19:00 Expected clear 5 Aug 2026, 05:00

lane 1 or 2 closure including roundabout and approaches

Category: Road Maintenance

View update

A303 both directions A350 Jct to Deptford carriageway closure

Planned Roadworks National Highways

Wiltshire A303 · A303 Westbound Between A36 And A350

Starts in 16 hours 18 minutes

Starts 4 Aug 2026, 20:00 Expected clear 5 Aug 2026, 05:00

A303 both directions A350 Jct to Deptford carriageway closure

Category: Road Maintenance

View update

Recently cleared on the A303

All live closures A303 closure history