The New York City Transit Authority is a public-benefit corporation in the U.S. state of New York that operates public transportation in New York City. Part of the Metropolitan Transportation Authority, the busiest and largest transit system in North America, the NYCTA has a daily ridership of 8 million trips.

The Metropolitan Transportation Authority (MTA) is a public benefit corporation responsible for public transportation in the New York City metropolitan area of the U.S. state of New York. The MTA is the largest public transit authority in North America, serving 12 counties in Downstate New York, along with two counties in southwestern Connecticut under contract to the Connecticut Department of Transportation, carrying over 11 million passengers on an average weekday systemwide, and over 850,000 vehicles on its seven toll bridges and two tunnels per weekday.