Road closures: almost two dozen for South Gloucestershire drivers over the next fortnight

Drivers in and around South Gloucestershire will have 22 National Highways road closures to watch out for this week.

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

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

• M48, from 9pm April 3 to 6am July 5, slight delays (under 10 minutes): M48 both directions mobile lane closure for drainage works.

• M4, from 6am May 20 to 10pm July 7, slight delays (under 10 minutes): M4 westbound, junction 22, 50 mph speed restrictions.

• M4, from 8pm May 30 to 6am July 18, moderate delays (10-30 minutes): M4 both directions, junction 22 closed between exit and entry slip road for carriageway repairs. Diversion via exit and entry slip roads.

• M4, from 8pm June 5 to 6am July 25, slight delays (under 10 minutes): M4 Both Directions, junction 18 to junction 19 lane closures for bridge construction.

• M4, from 5am March 17 to 9pm September 15, 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.

• M5, from 5am March 25 to 9pm September 15, slight delays (under 10 minutes): M5 northbound, junction 17 to 16 - narrow lanes for SMART motorway improvements.

• M4, from 5am March 11 to 9pm September 15, 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.

• 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.

And a further 14 closures will begin over the next two weeks:

• M5, from 8pm June 19 to 6am June 20, slight delays (under 10 minutes): M5 Both Directions, junction 13 to junction 14 lane closures for barrier repair.

• M5, from 9pm June 19 to 6am June 20, slight delays (under 10 minutes): M5 northbound, junction 17 to junction 15 lane closures for inspections.

• A4, from 10pm June 19 to 6am June 21, moderate delays (10-30 minutes): M5 southbound, junction 15 to 17 - carriageway closure for central reservation works, diversion from M5 southbound and M4 westbound, via M4 westbound, M49, M5, diversion from M4 eastbound, via M4, M32, A4174, A38, Hayes Way, Merlin Road, Join M5 at, junction 17.

• M5, from 8pm June 20 to 6am June 21, slight delays (under 10 minutes): M5 northbound, junction 14 entry slip road lane closure for barrier repair.

• M5, from 9pm June 21 to 6am June 23, slight delays (under 10 minutes): M5 southbound, junction 15 to junction 17 lane closures for inspections.

• M32, from 10pm June 21 to 6am June 23, moderate delays (10-30 minutes): M5 northbound, junction 17 to junction 15 closed for central reservation works, M5 northbound, diversion from, junction 17 via Merlin Road, Hayes Way, A38, A4174, M32, junction 1, M5 J16 diversion A38, A4174, M32 junction1, M4, junction 19.

• M4, from 9pm June 22 to 6am June 23, slight delays (under 10 minutes): M4 eastbound, junction 18 to 17 lane closure for technology works.

• M4, from 9pm June 26 to 6am June 27, slight delays (under 10 minutes): M4 westbound, junction 18 to 19 lane closure for structure maintenance.

• M4, from 9pm June 26 to 6am June 27, slight delays (under 10 minutes): M4 westbound, junction 22 to 23 Prince of Wales Bridge - carriageway closure for structure maintenance, diversion via M48 Severn Bridge.

• A46, from 9pm June 28 to 6am June 29, moderate delays (10-30 minutes): M4 westbound, junction 18 to 19 closed for technology works. Diversion via A46, A420, A4174 to M32, junction 1.

• M4, from 10pm June 29 to 10pm July 17, slight delays (under 10 minutes): M4 eastbound, junction 22, 50 mph speed restrictions.

• M48, from midday, June 30 to 1am July 1, slight delays (under 10 minutes): M4, junction 21 to M48, junction 2 both directions. Plan your journey expecting increased traffic flow for music event at Chepstow race course.

• A46, from midday, July 2 to midnight, July 3, slight delays (under 10 minutes): M4, junction 18 both directions. Rod Stewart music concert Badminton Estate. 20,000 expected. Congestion may occur at this location.

• M49, from 8am July 3 to 4pm July 11, slight delays (under 10 minutes): M49 Both Directions M5, junction 18a to M4, junction 22 lane closures for barrier repair.

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