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52550
  
  

  9
Aug
2023
IMOUs
MNR Mechanical and Engineering IMOU

Subject
                    Risk Reduction Program

**Keywords:** C3RS
    2
Aug
2023
IMOUs
Steamtown National Historic Site C3RS IMOU
Author
          Federal Railroad Administration

Subject
                    Risk Reduction Program

**Keywords:** C3RS IMOU
    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

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