Besides the Shinkansen, Japan has a passenger railway network. Many of Japan's major cities also have subway lines. The subway system in the capital Tokyo, which has over a dozen lines covering hundreds of kilometers of track, is considered to be one of the best in the world and continues to grow. Commuter rail services like these are used by millions of people every day to get to and from work or school. Japanese trains of all kinds are famed for being clean and punctual.