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The 1972 Chicago rail crash, the worst in Chicago's history, occurred during the cloudy morning rush hour of October 30, 1972. An express electric commuter train (Illinois Central branded, in the years before Metra rail) overshot its last scheduled stop and slammed into a moving bi-level RTA commuter train. When the trains collided, the front car of the electric train telescoped the rear car of the bi-level RTA train, killing 45 people and injuring 332.
