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52550
  
  

  11
Aug
2023
Technical Reports
Measurement and Characterization of Track Geometry Data: Literature Review and Recommendations for Processing FRA ATIP Program Data
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Track geometry, track quality, track irregularities, space curve, Track Quality Index, TQI, Track Geometry Measurement System, TGMS, Automated Track Inspection Program, ATIP, Power Spectral Density, PSD
**Abstract:** From October 2018 to March 2019, the Federal Railroad Administration sponsored Transportation Technology Center, Inc. to conduct a literature review on the methods of...
Report Number
              DOT/FRA/ORD-23/21

  Office
              RDI-21
    27
Sep
2021
Research Results
Machine Vision Data Products for the Automated Track Inspection Program
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Automated Track Inspection Program, machine vision, data products, imaging systems

Report Number
              RR 21-20

  Office
              RDI-21
    3
Sep
2021
Research Results
Feasibility of Applying Model-Assisted Probability of Detection to Track Inspection
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Probability of detection, MAPOD

Report Number
              RR 21-18

  Office
              RDI-21
    11
May
2021
Technical Reports
Reducing Hazards Associated with Visual and Automation-Aided Track Inspections
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Track research, track inspection, inspection, automated inspection, automation-aided inspection, railroad, track safety, safety, human factors, passenger rail, systems-theoretic process analysis, STPA, STAMP, systems-theoretic accident model and process,

Report Number
              DOT/FRA/ORD-21/18

  Office
              RDI-21
    9
Apr
2021
Research Results
Bond-Slip Relationships of Wires Used in Pretensioned Concrete Railroad Ties
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Concrete railroad ties, crossties, bond, pullout test, transfer length, transmission length, prestressed concrete, pretensioned concrete, indented wire

Report Number
              RR 21-04

  Office
              RDI-21

  Pagination
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