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52550
  
  

  9
Nov
2022
Research Results
Utilization of Unmanned Aerial Vehicles in Accident Reconstruction
Author
          Federal Railroad Administration

Subject
                    Grade Crossing Technology,
                    Highway-Rail Grade Crossings

**Keywords:** Photogrammetry, accident reconstruction, grade crossing, railroad safety, highway-rail grade crossing, train control
**Abstract:** The Volpe National Transportation Systems Center evaluated the effectiveness of using UAVs and photogrammetry software to expedite the accident reconstruction process.
Report Number
              RR 22-37

  Office
              RDI-23
    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
    28
Jun
2022
Other Reports
State Inventory Contacts - Grade Crossing Inventory
Author
          Federal Railroad Administration

Subject
                    Highway-Rail Grade Crossings

**Keywords:** crossing, inventory, state, contact

Office
              RRS
    25
Apr
2022
Research Results
Implementing SLSI-Provided Opportunities Supports Safety Culture Growth
Author
          Federal Railroad Administration

Subject
                    Safety Culture

**Keywords:** Safety culture, safety culture model, safety culture assessment, safety culture measurement, evaluation, short line railroads, regional railroads

Report Number
              RR 22-07

  Office
              RDI-24
    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

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