The Marunouchi Line is a subway line in Tokyo. It’s route is between Ogikubo Station in Suginami-ku in west Tokyo then running eastbound through Shinjuku, after that it runs through Tokyo Station eastbound, it finishes at Ikebukuro Station near the Yamanote Line. The Marunouchi Line was built after the war and was completed in 1954 and was named after the Marunouchi district near Tokyo Station. It is the one the most busiest and crowded of the subway lines in Tokyo and runs both below and above ground. The subway has a unique third-rail electric system and it’s cars are only 18m per car. Recently in early 2019 the new red colored 2000 series trains came into service with lower power consumption and wheelchair and stroller access.
Tokyo Station is the hub of the nationwide railway network in Japan since it opened in 1914. It serves approximately 420,000 passengers per day with numerous train lines. The station has contributed to the development of the surrounding business district as the center of Tokyo.
One historical event at Tokyo Station was when the Tokaido Shinkansen Line opened in 1964 during the Tokyo Olympics. In 2003 Tokyo Station was designated as an Important Cultural Property of Japan. In 2014 after a five year 50 billion yen major renovation project Tokyo Station was completed .
Beneath Tokyo Station there are extensive shopping arcades with restaurants, cafes, stores, and several hotels. Some highlights of businesses inside are the Tokyo Ramen Street, Tokyo Okashi Land (sweets), and Tokyo Character Street (Japanese heroes & characters). It is a city within a city.