Table of Contents

Overview - Baltimore/Washington International Thurgood Marshall Airport

Baltimore/Washington International Thurgood Marshall Airport (IATA: BWI; ICAO: KBWI) serves the cities of Baltimore and Washington DC.


Service to the cities is provided through BWI Rail Station, located off-site, and BWI Airport Station, located on-site.

External Services

External services to Baltimore and Washington are provided through Light Rail, Commuter Rail, and Intercity Rail.

Light Rail

BWI Airport Station

BWI Airport Station. Source: Wikimedia (June 26, 2003, David Wilson)/CC BY-SA 2.0

The Baltimore Light Rail serves the airport through BWI Airport station on the Yellow Line, located at the International Concourse. This station was opened in 1997. A single service, the Yellow Line, operates through this station. As of October 2022, 2 trains operate an hour to the city center on weekdays off peak.

Commuter Rail

BWI Rail Station

BWI Rail Station. Source: Wikimedia (May 18, 2017, Farragutful)/CC BY-SA 4.0

The Maryland Area Rail Commuter (MARC) serves the airport through BWI Rail station on the Penn Line, located to the northwest of the airport. This station was opened in October 26, 1980. A single service, the Penn Line, operates through this station. As of October 2022, 27 trains operate per direction per day on weekdays.

Intercity Rail

Amtrak serves the airport through BWI Rail station on the Northeast Corridor, located to the northwest of the airport. This station was opened in October 26, 1980. Multiple services operate through this station, including Acela and the Northwest Regional, among others. Schedules vary.

Connector Services

Baltimore/Washington International Thurgood Marshall Airport has no connector service.

Internal Services

Baltimore/Washington International Thurgood Marshall Airport has no internal service.

References & Helpful Links

Airport Website (English)

MTA Maryland Website (English)

Amtrak Northeast Regional Website (English)


External Citations


Last Updated: Oct 7, 2022