Virginia State Route 123 runs east-west in Southeastern Prince William County. It runs from U.S. Rt. 1 at Woodbridge, to the Prince William/Fairfax County Line, near Laurel Hill. VA St Rt 123 passes through the the following towns in Prince William County. Woodbridge VA St Rt 123 is not multi-plexed in Prince William County. VA St Rt 123 intersects the following highways in Prince William County. U.S. Rt. 1, at Woodbridge.
