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52550
  
  

  12
Sep
2023
Safety Advisories
Safety Advisory 2023-04; High-Impact Wheels Causing Damage to Rails and Track
Author
          Federal Railroad Administration

Subject
                    Safety Advisories

**Keywords:** Safety Advisory, high-impact wheels, Wheel Impact Load Detectors (WILD)
**Abstract:** This report characterizes the amplitude and wavelength content of the current track geometry environment of the United States railroad system and examines the combination of...
Safety Advisory Number
              2023-04
    11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains: Appendices F
Author
          Joe Brosseau, Bill Moore Ede, Shad Pate, RB Wiley, and Joe Drapa

Subject
                    Braking Systems,
                    Positive Train Control,
                    Signal and Train Control

**Keywords:** Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup

Report Number
              DOT/FRA/ORD-13/34

  Office
              RRD
    11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains: Appendices G-L
Author
          Joe Brosseau, Bill Moore Ede, Shad Pate, RB Wiley, and Joe Drapa

Subject
                    Braking Systems,
                    Positive Train Control,
                    Signal and Train Control

**Keywords:** Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup

Report Number
              DOT/FRA/ORD-13/34

  Office
              RRD
    1
Jul
2023
Safety Advisories
SOFA Alert - July 1, 2023
Author
          Federal Railroad Administration

Subject
                    Safety Advisories

**Keywords:** SOFA, switching operation, shoving movement
    15
Jun
2023
Safety Advisories
Safety Advisory 2023-01; Evaluation of Policies and Procedures Related to the Use and Maintenance of Hot Bearing Wayside Detectors (Supplement)
Author
          Federal Railroad Administration

Subject
                    Safety Advisories

**Keywords:** Safety Advisory, wayside detector, hot bearing

Safety Advisory Number
              2023-01; Notice No. 2

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