South Gloucestershire road closures: more than a dozen for motorists to avoid over the next fortnight

South Gloucestershire's motorists will have 16 road closures to avoid nearby on the National Highways network this week.

And four of them are expected to cause moderate delays – with drivers facing waits of between 10 minutes and half an hour.

The latest expected works list, with notes from National Highways, shows that 11 closures already in place are expected to carry on this week:

• M5, from 9pm October 15 to 6am October 16, slight delays (under 10 minutes): M5 southbound, junction 14 to 15 - lane closures for bridge deck refurbishment works.

• M4, from 9pm October 15 to 6am October 16, slight delays (under 10 minutes): M5 northbound, junction 15 to 14 - carriageway closure for bridge deck refurbishment works, diversion via M4 westbound, exit, junction 22 turn and join M4 eastbound, M5 southbound, exit, junction 16, A38 northbound to junction 14.

• M32, from midnight, March 26 to 5am November 19, slight delays (under 10 minutes): M32, junction 1 to M4, junction 19 and M4, junction 19 to 23 used by GWR Railway Replacement Buses for Bristol Parkway to Newport route.

• M5, from 5am March 25 to 5am November 26, slight delays (under 10 minutes): M5 northbound, junction 17 to 16 - narrow lanes for SMART motorway improvements.

• M5, from midnight, August 31 to 6am November 30, slight delays (under 10 minutes): M5 northbound, junction 17 to junction 14 - offside narrow lanes in place for bridge deck refurbishment works.

• M5, from 6am October 8 to 6am November 30, slight delays (under 10 minutes): M5 southbound, junction 14 to junction 17 - narrow lanes in place including southbound, contra-flow lane running on northbound, carriageway for bridge deck refurbishment works.

• M4, from 5am March 17 2023 to 5am January 21 2024, slight delays (under 10 minutes): M4 westbound, junction 19 to 20 - narrow lanes including 24/7 closure of offside running lane for SMART motorway improvements.

• M4, from 5am March 11 2023 to 5am January 21 2024, slight delays (under 10 minutes): M4 eastbound, junction 20 to 19 - narrow lanes including 24/7 closure of offside running lane for SMART motorway improvements.

• M4, from midnight, August 30 2023 to 6am May 22 2024, slight delays (under 10 minutes): M5 southbound, junction 14 to junction 17 including access roads from M4 and M5, junction 16 exit slip road - 50mph speed restriction in place for bridge deck refurbishment works.

• M4, from midnight, August 31 2023 to 6am May 22 2024, slight delays (under 10 minutes): M5 northbound, junction 17 to junction 14 including access roads from M4 and M5, junction 17 and junction 16 entry slip roads - 50mph speed restriction in place for bridge deck refurbishment works.

• M4, from midnight, August 31 2023 to 6am May 22 2024, slight delays (under 10 minutes): M4 eastbound, junction 20 exit slip road to M5 northbound, junction 15 - 24hr lane closure for bridge deck refurbishment works.

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

• M4, from 9pm October 17 to 6am October 18, moderate delays (10-30 minutes): M4 eastbound, junction 19 to 18 - carriageway closure for structure inspection, diversion via M32, exit, junction 1, A4174, A420, A46 to re-join M4 at, junction 18.

• A46, from 9pm October 17 to 6am October 18, moderate delays (10-30 minutes): M4 westbound, junction 18 to 19 - carriageway closure for structure inspection, diversion via A46, A420, A4174, M32 to re-join M4 at, junction 19.

• M4, from 9pm October 19 to 5am October 20, slight delays (under 10 minutes): M4 eastbound, junction 19 to junction 18 lane closure for electrical works.

• M48, from 6am October 21 to 8pm October 22, moderate delays (10-30 minutes): M48 westbound, junction 1 to 2 Severn Bridge carriageway closed for structure maintenance works. Diversion via M4 Prince of Wales Bridge.

• A46, from 9pm October 30 to 5am October 31, moderate delays (10-30 minutes): M4 westbound, junction 18 to 19 closed for technology works, diversion via A46, A420, A4174 to M32, junction 1.

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