Drivers in Buckinghamshire are being warned as the county will be hit by more than 50 road closures in the next week.

Motorists are being told to expect traffic as 21 closures are estimated to cause between 10 and 30 minutes of delays.

READ MORE: Car fire closes A404 near Marlow with long delays back to M4

In total, 13 ongoing closures are expected to continue this week including on the M40, M25 and M4: 

• A40, from 10pm October 26 to 5.30am October 28, moderate delays (10-30 minutes): M40 southbound, junction 1a to junction 1, carriageway closure for maintenance works, diversion via National Highways and local authority network.

• M40, from 10pm October 26 to 5.30am October 28, slight delays (under 10 minutes): M40 southbound, junction 2 to junction 1a, Lane closures for maintenance works.

• M25, from 10pm October 26 to 5.30am October 28, slight delays (under 10 minutes): M25 anti-clockwise, junction 17 to junction 16, Lane closure for maintenance works.

• M25, from 10pm October 26 to 5.30am October 28, moderate delays (10-30 minutes): M25 clockwise link road to M40 southbound, carriageway closure for maintenance works, diversion via National Highways and local authority network.

• M25, from 10pm October 26 to 5.30am October 28, moderate delays (10-30 minutes): M25 Anti clockwise link road to M40 southbound, carriageway closure for maintenance works, diversion via National Highways and local authority network.

• M40, from 10pm October 26 to 5.30am October 28, moderate delays (10-30 minutes): M40 southbound, junction 1, exit slip road closure for maintenance works.

• A43, from 8pm October 27 to 6am October 28, slight delays (under 10 minutes): A43 northbound, Syersham to Silverstone, Lane closure due to maintenance works.

• M25, from 10pm October 25 to 5.30am November 2, slight delays (under 10 minutes): M25 Anticlockwise, junction 17 to junction 16, Lane closure for gantry maintenance works.

• M4, from 9pm October 21 to 6am November 2, slight delays (under 10 minutes): M4 both directions, junction 7, slip road closures for maintenance work.

• M40, from 2am October 17 to 11.59pm November 3, slight delays (under 10 minutes): M40 southbound, junction 9 to junction 8a, Emergency hard shoulder closure for maintenance works.

• M40, from 9pm October 14 to 6am November 9, slight delays (under 10 minutes): M40 southbound, junction 2, Lane closure on exit slip road for maintenance works.

• M40, from 9pm October 14 to 6am November 9, slight delays (under 10 minutes): M40 northbound, junction 2, Lane closure on exit slip road for maintenance works.

• 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.

A further 39 closures are due to begin over the next two weeks. These are: 

• A404, from 10pm October 28 to 5.30am November 4, moderate delays (10-30 minutes): M40 northbound, junction 4 to junction 5, carriageway closure for maintenance works, diversion via National Highways and local authority roads.

• M40, from 10pm October 28 to 5am October 29, slight delays (under 10 minutes): M40 northbound, junction 1A to junction 2, Lane closure for maintenance works.

• A404, from 10pm October 28 to 5.30am November 4, moderate delays (10-30 minutes): A404 northbound, exit link road to M40, junction 4 northbound, carriageway closure for maintenance works, diversion via national highways and local authority networks.

• M25, from 10pm October 28 to 5am October 29, moderate delays (10-30 minutes): M25 clockwise, junction 15 to junction 16 and link road to M40, Lane and link road closure for urgent Safety fence Repairs, diversion via National Highways roads.

• M40, from 10pm October 28 to 6am October 29, slight delays (under 10 minutes): M40 southbound, junction 4 to junction 3, Lane closures for maintenance works.

• A404, from 10pm October 28 to 5.30am November 4, moderate delays (10-30 minutes): M40 northbound, junction 4, entry slip road closure for maintenance works, diversion via national highways and local authority networks.

• A40, from 10pm October 28 to 6am November 2, moderate delays (10-30 minutes): A40 eastbound, junction Denham to junction Swakeleys, Lane closures, slip road closures and carriageway closures for resurfacing works, diversion via local authority roads.

• M40, from 10pm October 28 to 5.30am November 4, slight delays (under 10 minutes): M40 northbound, junction 4 to junction 5, Lane closures for maintenance works.

• M40, from 10.15pm October 28 to 6am October 29, slight delays (under 10 minutes): M40 northbound, junction 8a to junction 10, Lane closures for maintenance works.

• M25, from 10pm October 29 to 5am October 30, slight delays (under 10 minutes): M25 clockwise, junction 15 to junction 16, Lane closures for Urgent safety Pothole repairs.

• M25, from 10pm October 29 to 5am October 30, slight delays (under 10 minutes): M25 anti-clockwise, junction 16 to junction 15, Lane closure for urgent Pothole Repairs.

• A404, from 9.30pm October 30 to 6am October 31, slight delays (under 10 minutes): A404 southbound, Marlow, slip road and lane closure for maintenance work.

• A5, from 8pm November 1 to 6am November 2, moderate delays (10-30 minutes): A5 both directions, Kellys Kitchen Roundabout - partial roundabout carriageway closures, lane closures and diversion routes for white lining/road markings on behalf of National Highways.

• M25, from 10.30pm November 3 to 5am November 4, moderate delays (10-30 minutes): M25 anti-clockwise, junction 17 to junction 16, Lane and link road closure for urgent Safety Fence Repairs, diversion via National Highways roads.

• 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.

• M25, from 10pm November 4 to 5.30am November 5, slight delays (under 10 minutes): M25 clockwise, junction 15 to junction 16, Lane closure for drainage works.

• A404, from 10pm November 4 to 5.30am November 11, moderate delays (10-30 minutes): M40 southbound, junction 5 to junction 4, carriageway closure for maintenance works, diversion via National Highways and local authority roads.

• M40, from 10pm November 4 to 5.30am November 11, slight delays (under 10 minutes): M40 southbound, junction 5 to junction 4, Lane closures for maintenance works.

• A404, from 10pm November 4 to 5.30am November 11, moderate delays (10-30 minutes): M40 southbound, junction 5, entry slip road closure for maintenance works, diversion via national highways and local authority networks.

• M25, from 10pm November 4 to 5.30am November 5, slight delays (under 10 minutes): M25 clockwise, junction 17 to junction 16, Lane closure for drainage works.

• A5, from 8pm November 5 to 6am November 6, moderate delays (10-30 minutes): A5 both directions, Flying Fox Roundabout to Kellys Kitchen Roundabout - carriageway closures, lane closures and diversion routes for drainage on behalf of National Highways.

• M40, from 9.30pm November 5 to 6am November 6, slight delays (under 10 minutes): M40 southbound, junction 4 to junction 3, Lane closures for maintenance work.

• M25, from 10pm November 5 to 6am November 30, slight delays (under 10 minutes): M25 Anticlockwise, junction 17 to junction 16, Lane closure for Gantry maintenance works.

• M25, from 10pm November 5 to 5am November 6, slight delays (under 10 minutes): M25 clockwise, junction 16 to junction 17, Lane closure for urgent technology electrical works.

• M25, from 10pm November 5 to 5.30am November 6, moderate delays (10-30 minutes): M25 clockwise, junction 15 to junction 17, Lane and link road closure for street lighting works, diversions via National Highways roads.

• M4, from 8pm November 6 to 6am November 7, slight delays (under 10 minutes): M4 eastbound, junction 7, slip road and lane closure for technology work.

• A404, from 9pm November 6 to 6am November 7, slight delays (under 10 minutes): A404 northbound, Marlow to M40, Lane closure for technology work.

• M40, from 9.30pm November 6 to 6am November 7, slight delays (under 10 minutes): M40 southbound, junction 9 to junction 8a, Lane closures for maintenance works.

• M40, from 9.30pm November 6 to 6am November 7, slight delays (under 10 minutes): M40 northbound, junction 8a to junction 9, Lane closures for maintenance works.

• M25, from 10pm November 7 to 5.30am November 8, moderate delays (10-30 minutes): M25 anti-clockwise, junction 16 to junction 15, Lane and link road closure to for electrical works, diversion via National Highways roads.

• M25, from 11pm November 8 to 5.30am November 9, moderate delays (10-30 minutes): M25 clockwise, junction 16 to junction 18, Lane and slip road closures for electrical works, diversions via National Highways roads.

• M40, from 10.15pm November 9 to 5am November 10, slight delays (under 10 minutes): M40 northbound, junction 1 to junction 1a, Lane closure for maintenance works.

• M25, from 10.15pm November 9 to 5am November 10, slight delays (under 10 minutes): M25 anti-clockwise, junction 17 to junction 16, Lane closures for maintenance works.

• A40, from 10.15pm November 9 to 5am November 10, slight delays (under 10 minutes): M40 northbound, junction 1, entry slip road closure for maintenance works, diversion via National Highways network and local authority roads.

• M40, from 10.15pm November 9 to 5am November 10, moderate delays (10-30 minutes): M40 northbound, junction 1a to junction 2, carriageway closure for maintenance works.

• A40, from 10.15pm November 9 to 5am November 10, slight delays (under 10 minutes): M25 clockwise, junction 16 to M40 northbound, junction 1a, link road road closure for maintenance works, diversion via National Highways network and local authority roads.

• M25, from 10.15pm November 9 to 5am November 10, slight delays (under 10 minutes): M25 anti-clockwise, junction 16 to M40 northbound, junction 1a, link road closure for maintenance works, diversion via National Highways network and local authority roads.

• M25, from 10.15pm November 9 to 5am November 10, slight delays (under 10 minutes): M25 clockwise, junction 15 to junction 16, Lane closure for maintenance works.

• 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.

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