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....

Office: RPD-33
Report Number: DOT/FRA/ORD/22-07

See Also:

• Rail Crossing...

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...

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...

The 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...

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...

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...