BY-PASS U.S. Federal Route 1 runs briefly in Southeastern Maine. It is completly within the City of Kittery, and County of York. BY-PASS U.S. Rt. 1 passes through the following town in York County. Kittery BY-PASS U.S. Rt. 1 is not multi-plexed in York County. BY-PASS U.S. Rt. 1 intersects the following highways in York County. Maine State Route 103, at Kittery. U.S. Rt. 1, at Kittery. Maine State Route 236, at Kittery.
SB BY-PASS U.S. Rt. 1 at the New Hampshire/Maine State Line.