Silver Spring station is a train station in Montgomery County, Maryland on the Red Line of the Washington Metro and the Brunswick Line of the MARC Train commuter rail system. The Metro station averaged 4,536 daily riders in 2023, making it the 19th-busiest stop in the network and the busiest in the state of Maryland. Trains travelling south from the station quickly cross the border into Washington, D.C., while northbound trains head underground and make their way further into Montgomery County.