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52550
  
  

  6
Nov
2020
Research Results
Automated Train Operations (ATO) Safety and Sensor Development
Author
          Federal Railroad Administration

Subject
                    Autonomous

**Keywords:** Automated train operations, ATO, sensor platform, SP, locomotive onboard sensor platform, locomotive-borne sensor platform, autonomous, train, sensors

Report Number
              RR 20-21

  Office
              RDI-23
    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
    10
Dec
2018
Technical Reports
Automated Vehicles at Highway-Rail Grade Crossings: Final Report
Author
          Federal Railroad Administration

Subject
                    Autonomous,
                    Grade Crossing Technology

**Keywords:** Highway-rail grade crossings, Automated Vehicle, AV, autonomous vehicle, Connected Vehicle, connected automated vehicles, CAVs, Concept of Operations, ConOps, requirements, stakeholder engagement
**Abstract:** This report discusses automated vehicle (AV) interactions with grade crossings and proposes requirements for future AVs that would enable them to respond to crossings safely....
Report Number
              DOT/FRA/ORD-18/39

  Office
              RDI-23
    9
Mar
2018
Technical Reports
Autonomous Track Geometry Measurement Technology Design, Development, and Testing
Author
          Federal Railroad Administration

Subject
                    Autonomous

**Keywords:** Track geometry inspection, autonomous, unmanned, ATGMS, autonomous track geometry measurement systems, track assessment
**Abstract:** The Federal Railroad Administration’s (FRA) Office of Research, Development and Technology has long advocated for the development and advancement of autonomous track geometry...
Report Number
              DOT/FRA/ORD-18/06

  Office
              RDI-21
    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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