Route 77 is a bus route operated by the Maryland Transit Administration in the suburbs of Baltimore. The line currently runs from the Old Court Metro Subway Station in Pikesville, Maryland, to the Patapsco Light Rail Stop and serves Randallstown, Windsor Mill, Woodlawn, Catonsville, Arbutus, Halethorpe, and Lansdowne as well as the campuses of UMBC and CCBC Catonsville.