New York City Transit Authority has your ticket to ride in the Big Apple. Known as MTA New York City Transit, it provides subway and bus transportation throughout New York City's five boroughs. It is the primary agency of the MTA and the largest public transportation system in North America. Its subway system -- which includes more than 6,300 subway cars, 468 stations, and 660 miles of track -- serves more than 5.5 million passengers a day day on 238 local, six select bus service, and 61 express routes in the five boroughs. Its more than 5,700 buses transport some 2.6 million riders each day. The agency also operates the Staten Island Railway system.