March 11, 2013
In response to an Amtrak collision and derailment last year, advised the FRA and FTA to provide railroad employees with best practices regarding the use of jumper wires when performing signal maintenance operations on active rails.
September 13, 2012
Outstanding safety recommendations included, enhance the safety redundancy of [Metro’s] train control system by evaluating track occupancy data on a real-time basis and Implementing cable insulation resistance testing as part of Metrorail’s periodic maintenance program.
September 11, 2012
Unveiled its $200-million crash prevention project for an NTSB official. The agency plans to install PTC on its commuter rail network by December 2013, two years ahead of a federal requirement for nationwide deployment.
September 23, 2009
Board discovered that a failure occurred in which a spurious signal generated by a track circuit module transmitter mimicked a valid signal and bypassed the rails via an unintended signal path. Issued nine safety recommendations.
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