New York (state) contains the administrative territorial entity Westchester County
Transportation
New York has one of the most extensive and one of the oldest transportation infrastructures in the country. Engineering challenges posed by the complex terrain of the state and the unique infrastructural issues of New York City brought on by urban crowding have had to be overcome perennially. Population expansion of the state has followed the path of the early waterways, first the Hudson River and Mohawk River, then the Erie Canal. In the 19th century, railroads were constructed along the river valleys, followed by the New York State Thruway in the 20th century.
The New York State Department of Transportation (NYSDOT) is the department of the government of New York responsible for the development and operation of highways, railroads, mass transit systems, ports, waterways, and aviation facilities within the State of New York. The NYSDOT is headquartered at 50 Wolf Road in Colonie, Albany County. The Port Authority of New York and New Jersey (PANYNJ) is a joint venture between the states of New York and New Jersey and authorized by the U.S. Congress, established in 1921 through an interstate compact, that oversees much of the regional transportation infrastructure, including bridges, tunnels, airports, and seaports, within the geographical jurisdiction of the Port of New York and New Jersey. This 1,500 sq mi (3,900 km2) port district is generally encompassed within a 25 mi (40 km) radius of the Statue of Liberty National Monument. The Port Authority is headquartered at 4 World Trade Center in Lower Manhattan.
In addition to the well known New York City Subway system—which is confined within New York City—four suburban commuter railroad systems enter and leave the city: the Long Island Rail Road, Metro-North Railroad, Port Authority Trans-Hudson, and five of New Jersey Transit's rail lines. The New York City Department of Transportation (NYCDOT) is the agency of the government of New York City responsible for the management of much of New York City's own transportation infrastructure. Other cities and towns in New York have urban and regional public transportation. In Buffalo, the Niagara Frontier Transportation Authority runs the Buffalo Metro Rail light-rail system; in Rochester, the Rochester Subway operated from 1927 until 1956, but fell into disuse as state and federal investment went to highways.
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