Established as the Toronto Transportation Commission in 1921 , the TTC owns .
Established as the Toronto Transportation Commission in 1921 , the TTC operates four rapid transit lines with 75 stations , over 149 bus routes , and 11 streetcar lines .
Established as the Toronto Transportation Commission in 1921 , the TTC owns and operates four rapid transit lines with 75 stations , over 149 bus routes , and 11 streetcar lines .