CityLink Lime is a CityLink bus route operated by the Maryland Transit Administration in Baltimore and its suburbs. The line currently runs from the Mondawmin Metro Subway Station along Liberty Heights Avenue and Liberty Road to a loop known as in Milford Mill with buses marked as "Milford Mill". The loop is composed of a square block, consisting of Liberty Road, Rolling Road, Church Lane, and Milford Mill Road. The spot of the layover depends on the time of day.

The Maryland Transit Administration (MTA) is a state-operated mass transit administration in Maryland, and is part of the Maryland Department of Transportation. The MTA operates a comprehensive transit system throughout the Washington-Baltimore metropolitan area. There are 80 bus lines serving the Baltimore Metropolitan Area, along with rail services that include the Light Rail, Metro Subway, and MARC Train. In 2023, the system had a ridership of 52,922,000, or about per weekday as of the fourth quarter of 2023.