still rattles along the streets of this iconic city in western Japan. Hiroshima Electric Railway Co.’s Type 650 tram was near Chuden-mae station when the bomb detonated on Aug. 6, 1945.

Japan has a total of seven automated guideway transit lines in Tokyo, Yokohama, Nagoya, Osaka and Kobe. In October 1993, a train on the New Tram line in Osaka collided with a buffer, injuring 215 ...