On Rt. 621 in the County of Prince William from Wellington Rd; Rt. 621E (Prince William County); Rt. 674E/W (Prince William County) to University Bl; Rt. 840E/W (Prince William County), motorists can expect potential delays in this area from 04/19/24 at 9:00 AM until 04/19/24 at 3:00 PM due to paving operations. The east through lanes are alternating closures. The west through lanes are alternating closures.