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52550
  
  

  29
Aug
2022
Technical Reports
Feasibility of a Train Horn with Optimized Directivity: Environmental and Occupational Noise Benefit of an Ideal Train Horn
Author
          Federal Railroad Administration

Subject
                    Grade Crossing Technology,
                    Highway-Rail Grade Crossings

**Keywords:** Horn, noise, highway-rail grade crossing, safety, environment, occupational, detectability, acoustic hailing device, rolling stock, train horn
**Abstract:** This views the feasibility of and suggests an acoustical specification for an optimized horn. Decibel of the horn inside vehicles was compared to the optimized horn and several...
Report Number
              DOT/FRA/ORD-22/32

  Office
              RDI-22
    12
Apr
2022
Technical Reports
Intelligent Crossing Assessment and Traffic Sharing System (i-CATSS)
Author
          Federal Railroad Administration

Subject
                    Grade Crossing Technology,
                    Highway-Rail Grade Crossings

**Keywords:** Crossing safety, crossing monitoring, first responders, delay time, train signal, artificial intelligence, train control
**Abstract:** Researchers developed i-CATSS to detect and predict highway-rail blockages and provide first responders with real-time information of traffic conditions at crossings.
Report Number
              DOT/FRA/ORD-22/15

  Office
              RDI-23
    3
Feb
2022
Technical Reports
In-Vehicle Auditory Alerts Literature Review
Author
          Federal Railroad Administration

Subject
                    Grade Crossing and Trespass Outreach/Education,
                    Highway-Rail Grade Crossings

**Keywords:** Highway-rail grade crossing, HRGC, in-vehicle auditory alerts, IVAA, auditory alerts, spatial auditory displays, human factors
**Abstract:** This literature review covers over 70 standards, research, and use cases on the design of in-vehicle auditory alerts (IVAAs) for highway-rail grade crossings (HRGCs).
Report Number
              DOT/FRA/ORD-22/05

  Office
              RDI-24
    30
Aug
2021
Technical Reports
Compilation of State Laws and Regulations Affecting Highway-Rail Grade Crossings, 7th Edition
Author
          Office of Railroad Safety

Subject
                    Highway-Rail Grade Crossing Warning Systems,
                    Highway-Rail Grade Crossings

**Keywords:** grade crossings; crossing consolidation; crossing closure; warning devices; passive; active; driver; trespassing; vandalism
**Abstract:** Highway-Rail Grade Crossing Warning Systems, Highway-Rail Grade Crossings, Trespasser Programs

Keywords
Office
              RRS
    24
Feb
2021
Technical Reports
LED-Enhanced Sign Research to Reduce Vehicle Queuing at Highway-Rail Grade Crossings
Author
          Federal Railroad Administration

Subject
                    Highway-Rail Grade Crossings

**Keywords:** Highway-rail, grade crossing, driver behavior, safety, signage, LED-enhanced signs, violations, traffic queue detection
**Abstract:** Laser-triggered LED-enhanced “DO NOT STOP ON TRACKS” signs may reduce grade crossing highway vehicle queueing.
Report Number
              DOT/FRA/ORD-21/07

  Office
              RDI-23

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