The Baltimore Light RailLink (formerly Baltimore Light Rail, also known simply as the "Light Rail") is a light rail system serving Baltimore, Maryland, United States, and its northern and southern suburbs. It is operated by the Maryland Transit Administration (MTA Maryland). In downtown Baltimore, it uses city streets. Outside the central portions of the city, the line is built on private rights-of-way, mostly from the defunct Northern Central Railway, Baltimore and Annapolis Railroad and Washington, Baltimore and Annapolis Electric Railway. The system had a ridership of 3,546,300, or about 15,400 per weekday, as of the third quarter of 2024.