E351 series Super Azusa is on service on Chuo Main line (mainly between Shinjuku and Matsumoto) at Max operation speed of about 130 km/h (80 mph). The picture shows Super Azusa waiting for cleaning before a trip to Matsumoto at Shinjuku station. The name “Azusa” originates from the name of a river, which runs near the town of Matsumoto.