Toronto Transit Commission

The Toronto Transit Commission (TTC) is the primary public transit agency in Toronto, Ontario, Canada, operating the majority of the city's bus and rail services. It is the oldest and largest of the urban transit service providers in Canada and has numerous connections to systems serving its surrounding municipalities.

Established as the Toronto Transportation Commission in 1921, the TTC operates 5 rapid transit lines, 74 subway stations, 43 light rail transit stops, approximately 167 bus routes, and 11 streetcar lines. The TTC is the most heavily used urban transit system in Canada; in 2025, the system had a total of 800,212,000 boardings.