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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
    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...
Office
              RRD
    1
Jun
1977
Technical Reports
Fatigue Crack Propagation in Rail Steels
Author
          G.E. Feddersen, R.D. Buchheit, D. Broek

Subject
                    Roadway Maintenance Machine Safety

**Keywords:** Rail, Cracks, Fatigue Crack Propagation, Mechanical Properties, Fractography
**Abstract:** In order to establish safe inspection periods of railroad rails information on fatigue crack growth rates is required. These data should come from a sufficiently large sample of...
Report Number
              FRA/ORD-77/14

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