Metro Crash: 'Anomaly' Found on Key Track Circuit

A key circuit on the train track near Monday's derailment in Washington, D.C., was apparently not operating as it should have been, raising the possibility that the Metro train that crashed into another one may not have known to slow down, accident investigators said today. Investigators tested six circuits between the two stations where the crash occurred. Five of those performed as expected, according to National Transportation Safety Board investigator Deborah Hersman. Such circuits let...Full Story
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