Metro-North Railroad
The Metro-North Commuter Railroad , trading as MTA Metro-North Railroad, or, more commonly, Metro-North, is a suburban commuter rail service that is run and managed by the Metropolitan Transportation Authority
Metropolitan Transportation Authority (New York)
The Metropolitan Transportation Authority of the State of New York is a public benefit corporation responsible for public transportation in the U.S...

 (MTA), an authority
New York State public benefit corporations
New York State public benefit corporations and authorities operate like quasi-private corporations, with boards of directors appointed by elected officials. Public authorities share characteristics with government agencies, but they are exempt from many state and local regulations...

 of New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 State. It is the busiest commuter railroad in the United States as measured in terms of overall monthly ridership. Metro–North runs service between New York City
New York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 to its northern suburbs in New York and Connecticut
Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...