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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
Aug
2018
Research Results
Understanding the Splitting and Bursting Failure of Concrete Crossties
Author
          Federal Railroad Administration

Subject
                    Analysis

**Keywords:** Pretensioned concrete crosstie, splitting crack, bursting crack, concrete release strength, prestressing wire, prestressing strand, bond strength, finite element analysis
**Abstract:** Under the sponsorship of the Federal Railroad Administration, finite element (FE) analyses were conducted at the Volpe National Transportation Systems Center (Volpe Center)...
Report Number
              RR 18-12

  Office
              RDI-21
    1
Sep
2005
Reports to Congress
Report to Congress: Costs and Benefits of Magnetic Levitation
Author
          Federal Railroad Administration

Subject
                    Maglev,
                    Evaluation,
                    Analysis

**Keywords:** Report to Congress: Costs and Benefits of Magnetic Levitation
**Abstract:** response to a Congressional request to compare the costs and benefits of magnetic levitation (Maglev) with those of other modes, this report provides technical background on this...
    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
Sep
1994
Other Reports
Engineering Department Fatalities Resulting from the Operation or Maintenance of On-Track Equipment : Calendar Years 1989-1993
Author
          Office of Safety

Subject
                    Employee Fatalities,
                    Track,
                    Analysis


**Abstract:** This report represents the Federal Railroad Administration's findings in its investigation of 22 Engineering Department
railroad employee fatalities suffered during calendar years...
Office
              RRS

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