Route 19 is a bus route operated by the Maryland Transit Administration in Baltimore and its suburbs. The line currently runs from the State Center Metro Subway Station to the intersection of Harford Road and Northern Parkway. From there it splits into two branches. About one half of buses continue operating along Harford Road to the Carney Park-and-Ride just north of the I-695 interchange, and the other half to the intersection of Goucher Boulevard and Taylor Avenue in Towson via Northern, McLean Boulevard, Hillsway, and Taylor. The line serves the communities of Montebello, Hamilton, and Parkville.