In 1954 , the TTC adopted its present name , opened the first subway line .
In 1954 , the TTC greatly expanded its service area to cover the newly formed municipality of Metropolitan Toronto ( which eventually became the enlarged city of Toronto ) .
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 ) .