On Rt. 657 (Walney Rd) in the County of Fairfax from Lee Jackson Memorial Hwy; Lee Jackson Memorial Hy; US-50E to Braddock Rd; Sully Rd; Rt. 620E/W (Fairfax County); VA-28N, motorists can expect potential delays in this area from 04/23/24 at 9:00 PM until 04/24/24 at 5:00 AM due to maintenance activities. All north lanes are mobile, alternating closures. All south lanes are mobile, alternating closures.