High-Speed 1 is a high-speed rail line in Japan that connects Tokyo and Osaka. It is part of the Shinkansen network, known for its punctuality and efficiency. The line covers approximately 515 kilometers and allows passengers to travel between the two cities in about two and a half hours. The service began in 1964, coinciding with the Tokyo Olympics, and has since become a vital transportation link in Japan. Trains on this line can reach speeds of up to 300 kilometers per hour, making it one of the fastest rail services in the world.