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Letter From FRA to RSI Request for Extension of time to comply with March 13, 2015 RWD
The letter responds to RSI's request for extension of time to comply with the Railworthiness Directive (RWD) issued by FRA on March 13, 2015. The original RWD established timelines for the inspection and removal of certain valves produced by McKenzie Valve & Machining (McKenzie) and applied...High-Speed Passenger Rail Tie-Ballast Interaction
This Research Results Report presents evidence of poor tie support and increased applied loads that were used to determine the “root cause” of transient and permanent vertical displacements at two Amtrak bridge transitions. These results are from a Federal Railroad Administration (FRA) study on...Application of Alternative Criteria and Procedures to Passenger Railcars
Occupied volume integrity (OVI) refers to a passenger railcar’s ability to preserve space for passengers and crew during an accident. The Federal Railroad Administration’s (FRA) Office of Research and Development (R&D) is sponsoring research investigating OVI. The results of a series of...WISESight™: A Multispectral Smart Video-Track Intrusion Monitor
International Electronic Machines Corporation (IEM) developed, tested, and validated a unique smart video-based intrusion monitoring system for use at highway-rail grade crossings. The system used both thermal infrared (IR) and visible/near-infrared (NIR) imaging to detect, identify, and...