The Yonge line is a major subway line in Toronto, Canada, operated by the Toronto Transit Commission (TTC). It runs from the northern suburb of Vaughan to the southern part of downtown Toronto, covering approximately 38 kilometers. The line is known for being one of the busiest in North America, serving millions of passengers each year. Opened in 1954, the Yonge line has 38 stations, including key stops like Union Station and Yorkdale. It connects with several other transit lines, making it a vital part of Toronto's public transportation system. The line is recognized for its efficiency and accessibility.