TEST Valley's motorists will have 14 road closures to avoid nearby on the National Highways network this week.

And one of them is expected to cause major delays – with drivers facing a holdup of at least 30 minutes.

The latest expected works list, with notes from National Highways, shows that two closures already in place are expected to carry on this week:

• M27, from 8pm July 13 to 6am July 29, slight delays (under 10 minutes): M27 both directions, junction 3, Lane closures for structures work.

• M27, from 8pm July 14 to 6am July 29, slight delays (under 10 minutes): M27 westbound, junction 3, hard shoulder closure for structures work.

And a further 13 closures will begin over the next two weeks:

• A303, from 8pm July 15 to 6am July 19, slight delays (under 10 minutes): A34 northbound, Bullington Cross, Slip and lane closure for resurfacing works.

• A303, from 8pm July 15 to 6am July 16, slight delays (under 10 minutes): A303 westbound, Longparish, slip road and lane closures for drainage work, diversion via National Highways network.

• A303, from 8pm July 19 to 6am July 20, moderate delays (10-30 minutes): A303 eastbound, Picket Twenty to Bullington, carriageway closure resurfacing work.

• A34, from 8pm July 19 to 6am July 20, slight delays (under 10 minutes): A34 both directions Bullington, Lane closures for barrier repairs.

• A303, from 9.30pm July 19 to 6am July 20, slight delays (under 10 minutes): A303 westbound, Parkhouse to Thruxton, slip road and lane closure for drainage works.

• A303, from 8pm July 22 to 6am July 23, severe delays (more than 30 minutes): A303 eastbound, Longparish, slip road and lane closures for Hampshire County Council.

• A303, from 9.30pm July 22 to 6am July 23, slight delays (under 10 minutes): A303 westbound, Parkhouse, slip road and lane closures for maintenance works.

• A303, from 8pm July 23 to 6am July 24, slight delays (under 10 minutes): A303 westbound, Hundred Acre to Thruxton Village, Lane closures for maintenance work.

• A303, from 8pm July 25 to 6am July 26, slight delays (under 10 minutes): A303 westbound, Winchester Road, slip road and lane closures for maintenance work.

• A303, from 8pm July 25 to 6am July 26, slight delays (under 10 minutes): A303 eastbound, Barton Stacey, Slip and lane closure for maintenance works.

• M27, from 8pm July 28 to 6am July 29, moderate delays (10-30 minutes): M27 both directions, junction 4 and M3 northbound, carriageway and lane closures for major improvement work.

• A303, from 8pm July 29 to 6am July 30, moderate delays (10-30 minutes): A303 westbound, Bullington, slip road and lane closures for roadmarkings work.

• M27, from 8pm July 29 to 6am July 31, slight delays (under 10 minutes): M271 both directions Redbridge Roundabout to Romsey Roundabout, Lane closures for maintenance work.

• A303, from 8pm July 29 to 6am July 30, slight delays (under 10 minutes): A303 both directions Thruxton to Parkhouse, Lane closures for drainage work.

National Highways is responsible for maintaining motorways and major A-roads, so closures of smaller roads will not be included in their schedule.