Road closures in and around Buckinghamshire this week could result in delays of up to 30 minutes while maintenance and repair works take place.

National Highways will commence or continue to enforce 48 road closures across Buckinghamshire over the next fortnight, with 19 of the closures expected to cause moderate delays of between 10 and 30 minutes.

10 closures will remain in place, while a further 38 closures will take place over the next two-week period.

Read the full works list, with notes from National Highways below:

- M4, from 10.30pm September 24 to 5.30am September 25, slight delays (under 10 minutes): M4 eastbound, junction 5 to junction 4B, Lane closures for survey works.

- M25, from 10pm September 23 to 5.30am September 25, moderate delays (10-30 minutes): M40 eastbound to M25, junction 16 clockwise and anti-clockwise Link Roads, link road closures for resurfacing works, diversion via National Highways roads.

- M4, from 10pm September 23 to 5.30am September 25, slight delays (under 10 minutes): M4 eastbound, junction 4b to junction 5, Lane closures for drainage works.

- A404, from midday, September 10 to 6am September 25, slight delays (under 10 minutes): A404 northbound, Bisham to Marlow, Lane closure for Thames Water emergency works.

- M40, from 9.30pm September 22 to 6am September 26, slight delays (under 10 minutes): M40 northbound, junction 1a to junction 2, Lane closures for maintenance work.

- M40, from 7am September 24 to 11.59pm September 27, slight delays (under 10 minutes): M40 northbound, junction 3 to junction 4, Hard shoulder closure for maintenance works.

- M4, from 8pm August 9 2022 to 6am October 16 2023, moderate delays (10-30 minutes): M4 westbound, junction 6 to junction 8/9, carriageway closure for M4 Smart Motorways.

- M4, from 8pm July 29 to 6am October 18, slight delays (under 10 minutes): M4 eastbound, junction 7 to junction 8/9, Lane closures for M4 Smart Motorways.

- A308(M), from 8pm January 17 to 6am October 26, moderate delays (10-30 minutes): M4 eastbound, junction 8/9 to junction 6, carriageway closure for M4 Smart Motorways.

- 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 September 25 to 6am September 26, moderate delays (10-30 minutes): A404 southbound, Marlow, slip road and lane closures for drainage works, diversion via National Highway Network.

- A404, from 9.30pm September 25 to 6am September 29, moderate delays (10-30 minutes): M40 southbound, junction 4, entry slip road closure for maintenance works, diversion via national Highways and local authority roads.

- M40, from 9.30pm September 25 to 5am September 26, slight delays (under 10 minutes): M40 northbound, junction 1 to junction 1a, Lane closures for maintenance works.

- M40, from 10.15pm September 25 to 6am September 29, slight delays (under 10 minutes): M40 southbound, junction 5 to junction 4, Lane closures for maintenance works.

- M40, from 10.15pm September 25 to 6am September 29, slight delays (under 10 minutes): M40 southbound, junction 3, entry slip road closure for maintenance works, diversion via national Highways and local authority roads.

- A404, from 10.15pm September 25 to 6am September 29, slight delays (under 10 minutes): M40 southbound, junction 4 to junction 2, carriageway closure for maintenance works, diversion via national Highways and local authority roads.

- A404, from 10.15pm September 26 to 6am September 27, moderate delays (10-30 minutes): M40 northbound, junction 3, exit slip road closures for maintenance works, diversion via National Highway and local authority roads.

- M40, from 10.15pm September 26 to 6am September 27, slight delays (under 10 minutes): M40 northbound, junction 2 to junction 4, Lane closures for maintenance works.

- M40, from 9pm September 27 to 5am September 28, slight delays (under 10 minutes): M40 northbound, junction 3 to junction 4, Lane closures for maintenance works.

- M40, from 9pm September 27 to 6am September 28, slight delays (under 10 minutes): M40 northbound, junction 4 to junction 5, Lane closures for maintenance work.

- M40, from 9pm September 28 to 5am September 29, slight delays (under 10 minutes): M40 northbound, junction 3 to junction 4, Lane closure for maintenance works.

- M40, from 9pm September 28 to 6am September 29, slight delays (under 10 minutes): M40 southbound, junction 3 to junction 2, Lane closures for maintenance works.

- M40, from 9pm September 28 to 6am September 29, slight delays (under 10 minutes): M40 northbound, junction 2 to junction 3, Lane closures for maintenance works.

- M40, from 9pm September 29 to 6am September 30, slight delays (under 10 minutes): M40 northbound, junction 8a to junction 9, Lane closures for maintenance work.

- M40, from 9pm September 29 to 6am September 30, slight delays (under 10 minutes): M40 southbound, junction 9 to junction 8a, Lane closures for maintenance work.

- M40, from 9.30pm September 29 to 5am September 30, moderate delays (10-30 minutes): M40 northbound, junction 3 to junction 4, carriageway closure for maintenance work, diversion via local authority roads.

- M40, from 9.30pm September 29 to 6am September 30, slight delays (under 10 minutes): M40 southbound, junction 5 to junction 3, Lane closures for maintenance works.

- M40, from 10.15pm September 29 to 6am September 30, moderate delays (10-30 minutes): M40 southbound, junction 4, exit slip road closures for maintenance works, diversion vi National Highway and local authority roads.

- A404, from 10.15pm September 29 to 6am September 30, moderate delays (10-30 minutes): M40 southbound, junction 4, entry slip road closures for maintenance works, diversion vi National Highway and local authority roads.

- A34, from 9.30pm September 30 to 5am October 1, moderate delays (10-30 minutes): M40 northbound, junction 8a, entry slip road closure for maintenance work, diversion via National Highways network.

- M40, from 9.30pm September 30 to 5am October 1, moderate delays (10-30 minutes): M40 northbound, junction 9 entry slip road, Lane closure for maintenance work.

- A40, from 10pm September 30 to 5.30am October 2, moderate delays (10-30 minutes): M40 southbound, junction 2 to junction 1A, Lane closures and link road closures for resurfacing works, diversion via National Highways roads.

- M4, from 10pm September 30 to 5am October 2, slight delays (under 10 minutes): M4 eastbound, junction 5 to junction 4, Lane closures for structure inspections works.

- A5, from 8pm October 2 to 6am October 17, moderate delays (10-30 minutes): A5 both directions, Thorn Roundabout to Kellys Kitchen Roundabout - carriageway closure, lane closure and diversion route for horticulture (cutting and planting) on behalf of National Highways.

- M40, from 10.15pm October 3 to 6am October 4, moderate delays (10-30 minutes): M40 northbound, junction 2, exit slip closure for maintenance work, diversion via National Highways network.

- A404, from 10.15pm October 3 to 6am October 4, slight delays (under 10 minutes): M40 northbound, junction 2 entry slip road, carriageway closure for maintenance works.

- M40, from 10.15pm October 3 to 6am October 4, slight delays (under 10 minutes): M40 northbound, junction 2 to junction 3, Lane closures for maintenance works.

- M40, from 10.15pm October 4 to 6am October 5, slight delays (under 10 minutes): M40 southbound, junction 5 to junction 4, Lane closure for maintenance works.

- M40, from 10.15pm October 4 to 6am October 5, moderate delays (10-30 minutes): M40 northbound, junction 3 to junction 4, carriageway closure for maintenance works, diversion via National Highways and local authority networks.

- M40, from 10.15pm October 4 to 6am October 5, slight delays (under 10 minutes): M40 northbound, junction 2 to junction 3, Lane closures for maintenance works.

- M40, from 9pm October 5 to 5am October 6, slight delays (under 10 minutes): M40 northbound, junction 3 to junction 4, Lane closures for maintenance work.

- M40, from 10.15pm October 5 to 6am October 6, slight delays (under 10 minutes): M40 southbound, junction 4 to junction 2, Lane closure for maintenance works.

- M40, from 10.15pm October 5 to 6am October 6, moderate delays (10-30 minutes): M40 southbound, junction 3, entry slip road closure for maintenance works, diversion via National Highways and local authority networks.

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

- A404, from 8pm October 9 to 4am October 13, slight delays (under 10 minutes): A404 southbound, lane closure and lane closure slips, Local authority road sweeping and litter picking.

- M40, from 8pm October 9 to 6am October 10, slight delays (under 10 minutes): M40 southbound, junction 2 to junction 1a, Lane closure for maintenance work.

- A404, from 8pm October 9 to 4am October 12, slight delays (under 10 minutes): A404 northbound, lane closure and lane closure slip, Local authority road sweeping and litter picking.

- A40, from 10pm October 9 to 5am October 17, moderate delays (10-30 minutes): A40 Denham roundabout, Lane closures for electrical works, diversion via Denham roundabout anti-clockwise.