Adur's motorists will have seven road closures to avoid nearby on the National Highways network this week. And three of them are expected to cause delays of between 10 minutes and half an hour. The latest expected works list, with notes from National Highways, shows that four closures already in place are expected to carry on this week: • A27, from 8pm November 22 2021 to 6am July 7 2022, slight delays (under 10 minutes): A27 eastbound and westbound, Upper Brighton Road, junction with Sompting Road, Broadwater, Lane closures, carriageway closures and temporary traffic signals to renew existing traffic signals and cabling, diversion via local authority network. • A27, from 8pm March 7 to 6am July 7, slight delays (under 10 minutes): A27 eastbound and westbound, Upper Brighton Road, junction with Sompting Road, Broadwater, Lane closures, carriageway closures and temporary traffic signals to renew existing traffic signals and cabling, diversion via local authority network. • A27, from 11.59pm January 31 2022 to 6am April 28 2023, moderate delays (10-30 minutes): A27 eastbound and westbound, Shoreham, speed restrictions, lane and carriageway closures for construction of new roundabout, diversion via local authority network. • A27, from 11.59pm January 31 2022 to 6am April 28 2023, moderate delays (10-30 minutes): A27 eastbound and westbound, Shoreham, 24 hour lane closure for construction of new roundabout. And a further three closures will begin over the next seven days: • A27, from 8pm March 28 to 5am March 29, slight delays (under 10 minutes): A27 eastbound and westbound, Sompting to Lancing, Lane closures for emergency barrier repairs. • A27, from 8pm April 2 to 6am April 11, slight delays (under 10 minutes): A27 eastbound and westbound, Manor Roundabout to Busticle Lane, carriageway closure for resurfacing works, diversion via local authority network. • A23, from 8pm April 5 to 6am April 11, moderate delays (10-30 minutes): A23 westbound, Dale Hill Pycombe, exit slip road closure and diversion Route for West Sussex County Council. National Highways is responsible for maintaining motorways and major A-roads, so closures of smaller roads will not be included in their schedule.