Maryland State Route 42 is a north-south highway in Western Garrett County. It runs from U.S. Rt. 219, near Hoyes, to the Maryland/Pennsylania State Line, near Ashler Glade. MD St Rt 42 passes through the following towns in Garrett County. Hoyes Elder Friendsville Asher Glade MD St Rt 42 is not multi-plexed in Garrett County. MD St Rt 42 intesects the following highways in Garrett County. U.S. Rt. 219, near Hoyes. Interstate 68, near Friendsville.
A BGS on WB I-68. A junction marker on SB U.S. Rt. 219. A guide marke ron SB U.S. Rt. 219.
