Drivers have been warned of more than 20 road closures across the county over the next week.

Motorists are being told to expect delays as National Highways carries out work across its Buckinghamshire network. 

Below is a list of the road closures to look out for in the next week: 

• A43, from midday, November 4 2024 to 6am January 18 2025, moderate delays (10-30 minutes): A43 northbound and southbound, Barley roundabout to Oxford road roundabout, carriageway closure due to resurfacing works, diversion route via National Highways and local authority network.

• A43, from 8pm April 28 2023 to 6am January 31 2026, moderate delays (10-30 minutes): A43 northbound and southbound, Barley Mow Roundabout to Towcester, Lay-by, carriageway closures with diversion and 24/7 narrow lanes, speed and cycle restrictions for, junction improvements, diversion via national Highways and local authority network.

• A404, from 8pm November 11 to 6am November 12, slight delays (under 10 minutes): A404 southbound, Handy Cross roundabout to Marlow, Lane closure for maintenance works.

• A40, from 10pm November 11 to 5am November 14, slight delays (under 10 minutes): A40 westbound, junction Sweakelys to junction Denham roundabout, Lane closure for Urgent safety fence repairs.

• A40, from 10pm November 11 to 6am November 23, moderate delays (10-30 minutes): A40 eastbound, junction Denham to junction Swakleys, Lane closures, slip road closure and carriageway closure for resurfacing works, diversion via local authority roads.

• A43, from 8pm November 12 to 5am November 13, slight delays (under 10 minutes): A43 northbound, Syersham to Silverstone, Lane closure due to maintenance works.

• A404, from 9pm November 12 to 5am November 13, moderate delays (10-30 minutes): M40 southbound, junction 4 to junction 2, carriageway closure for maintenance work, diversion via local authority network.

• M40, from 10.15pm November 12 to 6am November 13, slight delays (under 10 minutes): M40 northbound, junction 1a to junction 2, Lane closure for maintenance work.

• A404, from 9pm November 13 to 6am November 14, slight delays (under 10 minutes): A404 northbound, Marlow to M40, Lane closure for technology work.

• M40, from 9.30pm November 13 to 6am November 14, slight delays (under 10 minutes): M40 southbound, junction 4 to junction 3, Lane closures for maintenance work.

• A43, from 2pm November 18 2024 to 6am March 2 2026, moderate delays (10-30 minutes): A43 northbound and southbound, Barley Mow Roundabout to Towcester Roundabout, carriageway, slip roads, and lane closure, plus 24/7 contraflow and layby closures for, junction improvements, diversion routes will use National Highways and local authority network.

• A404, from 8pm November 18 to 6am November 23, slight delays (under 10 minutes): A404 both directions Bisham to Marlow, Lane closures for survey works.

• M40, from 9pm November 18 to 6am November 23, slight delays (under 10 minutes): M40 northbound, junction 8a to junction 9, Lane closure for maintenance work.

• M4, from 9pm November 18 to 6am November 19, moderate delays (10-30 minutes): M4 eastbound, junction 7, slip road and lane closure for barrier repairs.

• A43, from 7am November 19 to 11.59pm November 22, slight delays (under 10 minutes): A43 northbound and southbound, Whitfield to Crowfield, diversion route due to works on behalf of Awg Group Limited.

• A40, from 10.15pm November 25 to 6am November 27, slight delays (under 10 minutes): M40 southbound, junction 1, exit slip road closure for maintenance works, diversion Via national Highways and local authority roads.

• M25, from 10.15pm November 25 to 6am November 27, slight delays (under 10 minutes): M25 southbound, junction 17 to junction 16, Lane closure for maintenance works.

• A40, from 10.15pm November 25 to 6am November 27, slight delays (under 10 minutes): M40 southbound, junction 1a, exit slip road closure for maintenance works, diversion Via national Highways and local authority roads.

• A40, from 10.15pm November 25 to 6am November 27, slight delays (under 10 minutes): M40 southbound, junction 2 to junction 1, Lane closure for maintenance works.

• M25, from 10.15pm November 25 to 6am November 27, slight delays (under 10 minutes): M40 southbound, junction 1a, entry slip road closure for maintenance works, diversion Via national Highways and local authority roads.

• M25, from 10.15pm November 25 to 6am November 27, slight delays (under 10 minutes): M40 southbound, junction 1a, entry slip road closure for maintenance works, diversion Via national Highways and local authority roads.

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