 This addition extended the route to Kōraibashi in Osaka.This spur was also called the Kyōkaidō (京街道), or it was described as being a part of the 57 stations of the Tōkaidō.Today, the Tōkaidō corridor is the most heavily travelled transportation corridor in Japan, connecting Greater Tokyo (including the capital Tokyo as well as Japan's second largest city Yokohama) to Nagoya (fourth largest), and then to Osaka (third largest) via Kyoto.