SEPTA Routes 101 and 102 are light rail lines operated by the Suburban Transit Division of the Southeastern Pennsylvania Transportation Authority, serving portions of Delaware County. The route's eastern terminus is 69th Street Transportation Center in Upper Darby Township, Pennsylvania. Route 101 runs to Media, while Route 102 goes to Sharon Hill. Altogether, the two lines operate on approximately 11.9 miles (19.2 km) of route. The lines are one of the few remaining interurban systems in the United States, along with the South Shore Line in Indiana, the River Line in New Jersey, and the Norristown High Speed Line, also in the Philadelphia area.

The Southeastern Pennsylvania Transportation Authority (SEPTA) is a regional public transportation authority that operates bus, rapid transit, commuter rail, light rail, and electric trolleybus services for nearly four million people in five counties in and around Philadelphia, Pennsylvania. It also manages projects that maintain, replace and expand its infrastructure, facilities and vehicles.