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52550
  
  

  8
Oct
2019
Technical Reports
Acoustical Warning Devices as Emergency Warning Systems, Phase 1
Author
          Federal Railroad Administration

Subject
                    Emergency Notification Systems,
                    Grade Crossing Technology

**Keywords:** Emergency warning, train horn, trespassers, music masking sounds, reaction time, acoustic warning device
**Abstract:** Acoustical warning devices are designed to warn trespassers of an approaching train. This study evaluated the urgency and detectibility of potential warning sounds.
Report Number
              DOT/FRA/ORD-19/40

  Office
              RDI-23
    19
Apr
2017
Reference Materials
Emergency Notification System (ENS) - Get Help! Use the Blue ENS Sign
Author
          Federal Railroad Administration

Subject
                    Emergency Notification Systems

**Keywords:** Flyer
    1
Oct
1995
Technical Reports
Vehicle Proximity Alert System: Prototype 3
Author
          Scott E. Gage, Stanley T. Gurule

Subject
                    Emergency Notification Systems,
                    Evaluation

**Keywords:** VPAS, Emergency Notification Systems, Warning Devices
**Abstract:** As part of FRA Task Order 114, the Association of American Railroads Transportation Technology Center, Pueblo, Colorado, completed testing of Vehicle Proximity Alert System (VPAS...
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