Washington Union Station, the city's main train station, serves approximately 70,000 passengers daily and is Amtrak's second-busiest station with 4.6million passengers annually and the southern terminus for the Northeast Corridor. Amtrak's Northeast Regional provides service northbound transportation to Baltimore Penn Station, New York Penn Station in Manhattan, 30th Street Station in Philadelphia, South Station in Boston, and other stops. Maryland's MARC and Virginia's VRE commuter trains and the Metrorail Red Line also provide service into Union Station. As of 2023, Union Station is the ninth-busiest rail station in the nation and tenth-busiest in North America.