The free Marunouchi Shuttle Bus runs a loop of 13 stops around the Marunouchi area of Tokyo around Tokyo Station from 10am to 8pm. The bus is sponsored by local businesses and runs about every 15 minutes.
The shorter Otemachi route (weekdays only) with 6 stops operates from 8am-10pm. Stops on the Marunouchi Shuttle eco-bus include Yusen Biru, Marunouchi My Plaza, Tokyo Kaikan, Daiichi Seimei, Hibiya, Shinkokusai Biru, Mitsubishi Biru, Shinmaru Biru, Tokyo Sankei Biru, Nikkei Biru, Keidanren Kaiken JA Biru, and Yomiuri Shimbun.
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