Category
page 1Passenger rail transportation in Maryland
Washington Metro
Washington, D.C. rapid transit system

Acela
The Acela ( ; originally the Acela Express until September 2019) is Amtrak's flagship passenger train service along the Northeast Corridor (NEC) in the Northeastern United States between Washington, D.C., and Boston via 13 intermediate stops, including Baltimore, New York City and Philadelphia. Acela trains are the fastest in the Americas, reaching , qualifying as high-speed rail, but only for approximately of the route.
Northeast Corridor
electrified railway line in northeast USA

MARC
commuter rail system comprising three lines in the Baltimore–Washington metropolitan area
Northeast Regional
Amtrak northeastern U.S. intercity rail service
Capitol Limited
Amtrak train service between Washington, DC and Chicago, Illinois
Cardinal
American passenger train route
Silver Meteor
Amtrak train route between New York and Miami, Florida
Vermonter
Amtrak passenger train in the northeast United States
Carolinian
Amtrak train service from New York to Charlotte, North Carolina
Silver Star
Amtrak train route between New York and Miami, Florida
Palmetto
Amtrak train between New York and Savannah, Georgia
Camden Line
MARC commuter rail line between Washington, D.C. and Baltimore, Maryland
Maryland Transit Administration
public transit authority of the state of Maryland
Royal Blue
Baltimore and Ohio Railroad's flagship passenger train