The Toronto Transit Commission (TTC) is a public transport agency that operates transit bus, streetcar, paratransit, and subway services in Toronto, Ontario, Canada. Established in 1921, the TTC comprises four rapid transit lines with 69 stations, over 149 bus routes, and 10 streetcar lines. In 4th quarter 2012, the average daily ridership was 2.76 million passengers: 1,425,300 by bus, 271,100 by streetcar, 46,400 by intermediate rail, and 1,011,700 by subway. The TTC also operates door-to-door paratransit service for the elderly and disabled, known as Wheel-Trans. The TTC is the third most heavily used urban mass transit system in North America, after the New York City Transit Authority and Mexico City Metro. Public transit in Toronto started in 1849 with a privately operated transit service. In later years, the city operated some routes, but in 1921 assumed control over all routes and formed the Toronto Transportation Commission to operate them. During this period, streetcars provided the bulk of the service. In 1954, the TTC adopted its present name, opened the first subway line, and greatly expanded its service area to cover the newly formed municipality of Metropolitan Toronto (which eventually became the enlarged city of Toronto). The system has evolved to feature a wide network of surface routes with the subway lines as the backbone. On February 17, 2008, the TTC made many service improvements, finally reversing more than a decade of service reductions and only minor improvements. The Gloucester subway cars, the first version of TTC subway cars, known as "red rockets" because of their bright red exterior, have been retired. The name lives on as the TTC uses the phrase to advertise the service, such as "Ride the Rocket" in advertising material, "Rocket" in the names of some express buses, and the new "Toronto Rocket" subway cars, which began revenue operation on July 21, 2011. Another common slogan is "The Better Way".