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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
    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
    17
Dec
2015
Reference Materials
ENS Penalty Schedule

Subject
                    Emergency Notification Systems

**Keywords:** ENS, Penalty Schedule
    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...

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