Potential Causes of DC Metro Crash Arising-Signals and Operator Combined?
Signal Malfunction Combined With D.C. Metro Train Operator Errors? Clues Arising.. I wrote last night about potential causes of the 7 deaths and 60 injuries in the DC Metro train crash of June 22, 2009, the deadliest in Metro history. The United Transportation Union (UTU), one of the main national unions of railroad conductors, released…