CTA Stop Evacuated After White Powder Reported On Train Posted on September 28, 2017 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: A Red Line train was evacuated, and CTA trains were bypassing the Addison ‘L’ station Thursday morning, after passengers reported seeing a white powdery substance on the train. CBS 2’s Susanna Song reports. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: