South Gloucestershire's motorists will have 22 road closures to avoid nearby on the National Highways network this week.

And five of them are expected to cause delays of between 10 and 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:

• M48, from 9pm October 4 2021 to 6am March 9 2022, moderate delays (10-30 minutes): M48 Severn Bridge eastbound, carriageway closed overnight for bridge maintenance works. Diversion via M4 Prince of Wales Bridge.

• M48, from 9pm October 11 2021 to 6am March 16 2022, moderate delays (10-30 minutes): M48 Severn Bridge westbound, carriageway closed overnight for maintenance works. Diversion via M4 Prince of Wales Bridge.

And a further 20 closures will begin over the next seven days:

• M4, from 8am to 2pm on January 4, slight delays (under 10 minutes): M4 Prince of Wales Bridge westbound, lane closure for barrier repairs.

• M4, from 8pm January 4 to 6am January 5, moderate delays (10-30 minutes): M48 westbound, between M4 and junction 1 closed for survey works, diversion via M4 west to junction 23a then return M4 east to M48 east.

• M32, from 9.30pm January 4 to 6am January 27, slight delays (under 10 minutes): M32 southbound, junction 1 closed between the exit and entry slips for survey works, diversion via the southbound, exit and entry slips.

• M5, from 6am January 5 to 8pm February 22, slight delays (under 10 minutes): M5, junction 18a to 17 lane closure 24 / seven northbound, for fence work and pond removal.

• M4, from 8pm January 5 to 6am January 6, slight delays (under 10 minutes): M48 westbound, between M4 and junction 1 lane closure for survey works.

• M4, from 8pm January 5 to 5.30am January 6, slight delays (under 10 minutes): M4 westbound, junction 18 to 19 lane closures for signal repair.

• M4, from 8pm January 6 to 5.30am January 7, slight delays (under 10 minutes): M4 westbound, junction 18 to 19 lane closures for signal repair.

• A46, from 9am to midday, on January 9, slight delays (under 10 minutes): A46 Cold Ashton Roundabout traffic signals for South Gloucestershire Council works.

• M32, from 8pm January 10 to 6am January 11, moderate delays (10-30 minutes): M4 eastbound, junction 20 exit slip to M5 closed for survey works, diversion via M4 east to junction 19 then M32 south to junction 1 and return M32 north to junction 19 then M4 west to junction 20.

• M49, from 8pm January 11 to 6am January 12, slight delays (under 10 minutes): M5, junction 18a northbound, exit slip closed for survey works, diversion via, junction 15 and M4 westbound.

• M4, from 9pm January 11 to 6am January 12, slight delays (under 10 minutes): M4 eastbound, junction 20 closed between the exit and entry slips and M4 westbound, between, junction 19 and 20 lane closures for survey works, diversion via M5 south to junction 16 and return M5 north to junction 15.

• M4, from 8pm January 12 to 6am January 13, slight delays (under 10 minutes): M4 westbound, junction 20 closed between the exit and entry slips and M4 eastbound, between, junction 21 and 20 lane closures for survey works, diversion via M5 south to junction 16 and return M5 north to junction 15.

• M32, from 8.30pm January 12 to 6am February 3, slight delays (under 10 minutes): M32 northbound, junction 2 closed between the exit and entry slips for survey works, diversion via the northbound, exit and entry slips.

• M5, from 9pm January 13 to 6am January 14, slight delays (under 10 minutes): M5 southbound, junction 14 to 15 lane closures for survey works.

• M5, from 10pm January 14 to 6am January 15, slight delays (under 10 minutes): M5 southbound, junction 14 to 15 lane closures for survey works.

• M4, from 10pm January 14 to 6am January 15, slight delays (under 10 minutes): M5, junction 18a northbound, entry slip closed for survey works, diversion via M49 north onto the M4 east.

• M5, from 11pm January 14 to 6am January 15, slight delays (under 10 minutes): M5 northbound, junction 17 to 15 lane closures for survey works.

• M4, from 11.59pm January 14 to 6am January 15, moderate delays (10-30 minutes): M4 westbound, junction 20 exit slip road to M5 closed for drainage works, diversion via M4 westbound to junction 22 and return to join M5.

• M32, from 8pm January 17 to 6am January 18, slight delays (under 10 minutes): M5 southbound, junction 15 closed between the exit and entry slips and M5 northbound, junction 17 to 15 lane closure for survey works, diversion via M4 east to junction 19 then M32 south to junction 1 and return north to M4 then west to junction 20.

• M4, from 10pm January 17 to 6am January 19, slight delays (under 10 minutes): M49 northbound, Lane closure, including lane closure on M4, junction 22 roundabout, for bridge inspections.

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