U.S. Federal Route 11 runs north-south in Washington County. This is the only county in the State of Maryland that U.S. Rt. 11 passes through. It goes from the West Virginia Line, near Williamsport, to the Pennsylvania Line, near Ceartoss. U.S. Rt. 11 passes through the following towns in Washington County. Williamsport Halfway Hagerstown Fountain Head U.S. Rt. 11 is multi-plexed in Washington County. Maryland State Route 63, at Williamsport. U.S. Rt. 11 crosses the following highways in Washington County. Maryland State Route 63, at Williamsport. Maryland State Route 68, at Williamsport. Maryland State Route 63, at Williamsport. Interstate 81, near Williamsport. Interstate 70, near Halfway. (NO Interchange) U.S. Rt. 40, near Hagerstown.
SB U.S. Rt. 11 at the Maryland Welcome Sign, near the Pennsylvania/Maryland State Line. A BGS on SB I-81. A BGS on SB I-81.