--Ashley River Road: Lane closures from Bees Ferry Road to the Dorchester county line, 9 a.m.-4 p.m. through Thursday.
--S.C. 171: Lane closures from S-2517 to S-627, 9 p.m.-6 a.m. through May 27.
--Rifle Range Road: Lane closures from Ben Sawyer Boulevard to the Isle of Palms connector, 9 p.m.-6 a.m. through May 27.
--U.S. 17: Nightly lane closures between the Isle of Palms connector and Darrell Creek Trail through May 28.
--Guerins Bridge Road (S-98): Bridge replacement through Nov. 30.
--James Island connector (S.C. 30): Westbound alternating lane closures between mile points 0 and 3.05 until further notice.
--Von Kolnitz Road: Closures from 1280 Von Kolnitz Road to Bowman Road until further notice.
--Steed Creek Road: Closed because of bridge construction through May.
--Mudville Road: Alternating lane closures from S.C. 6 to U.S. Highway 176, 7 a.m.-7:30 p.m. through June 30.
--Wichman Road: Lane closures from Jefferies Highway at U.S. 17A to Savage Street, 7 a.m.-7 p.m. through May 31.
--U.S. 17: Lane closures from Airport Road to Padgett Street, 7 p.m.-7 a.m. through May 31.
--Aviation Way: Lane closures through June 30.
--Robertson Boulevard: Lane closures through June 30.
--Round O Road: Lane closures through June 30.