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This report summarizes the research and development of a variable directivity Acoustic Warning Device (AWD) used as a locomotive horn. A Global Positioning System (GPS) was developed to control an arrangement of directional loudspeakers. Loudspeakers are arranged on the locomotive so...
This grant program provided funding to assist with the cost of capital investments and limited planning activities necessary to support improved intercity passenger rail services.
Phase 2 of the Rail Crossing Violation Warning (RCVW) application provides the means for equipped connected vehicles (CV) on approach to a highway-rail intersection (HRI) to be warned of an imminent violation of an HRI active warning/protective system through the interconnection of a CV Roadside...
The U.S. Department of Transportation John A. Volpe National Transportation Systems Center (Volpe), under the direction of the Federal Railroad Administration (FRA) Office of Research, Development, and Technology, developed an AI software application for automating the detection of grade...
Office: RPD-33 Report Number: DOT/FRA/ORD/22-07
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Rail Crossing Violation Warning (RCVW) Application - Phase IIThe transportation sector is seeking to reduce its emissions in a cost-effective and safe manner in response to the climate crisis. The Federal Railroad Administration (FRA) conducted a workshop for domestic and international experts to discuss experiences and challenges regarding alternative...
This report describes a testing program examining the effects of different stages of tank car fabrication on the mechanical properties of TC-128B steel. This work focused on two procedures: cold-working associated with rolling a flat plate of steel into the cylindrical tank shell and post-weld...
This literature review covers over 70 documents related to standards, research, and use cases on the design of in-vehicle auditory alerts (IVAAs) for highway-rail grade crossings (HRGCs). Although standards exist for auditory warnings in vehicles and they have been used for years, there are only...