The Bloor-Danforth subway line is a major transit route in Toronto, Canada. It runs east-west, connecting the Bloor Street area to Danforth Avenue. The line spans approximately 19 kilometers and includes 31 stations, making it one of the busiest subway lines in the city. Opened in 1966, the Bloor-Danforth line was the second subway line in Toronto after the Yonge-University line. It serves various neighborhoods and provides access to key locations, including Yorkdale Shopping Centre and Toronto General Hospital. The line is known for its distinctive green and white trains.