During the past six years, the transportation network of the metropolitan area of Tokyo has changed a good deal. In the case of the subway system, lines have been extended, and some rapid-transit lines have been added. New code numbers for each station were also given for foreign travelers to read. In addition, as a result of urban development in areas such as Roppongi, Shinagawa, and Shinodome, quite a few new company buildings, stores, and hotels have appeared. This new edition of the "Tokyo City Altas, provides the most current information for getting around the city.