Maryland State Route 51 is an east-west highway in Southern Allegany County. It runs from Interstate 68/U.S. R.t 40-220, at Cumberland, to the West Virginia/Maryland State Line, near Paw Paw, West Virginia. MD St Rt 51 passes through the following towns in Allegany County. Cumberland
North Branch Spring Gap Oldtown MD St Rt 51 intersects the following highways in Allegany County. Interstate 68, at Cumberland. U.S. Rt. 40, at Cumberland. U.S. Rt. 220, at Cumberland. Maryland State Route 639, near Cumberland.
A BGS on WB I-68/U.S. Rt. 40. A BGS on WB I-68/U.S. Rt. 40; SB U.S. Rt. 220. A BGS on WB I-68/U.S. Rt. 40; SB U.S. Rt. 220. SB MD St Rt 51 near Canal Parkway. NB MD St Rt 51 near Virginia Street.
