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52550
  
  

  8
Dec
2023
Technical Reports
PTC Communications: Cybersecurity Technology Review and Concept of Operations
Author
          Federal Railroad Administration

Subject
                    Positive Train Control,
                    Security

**Keywords:** Positive Train Control, PTC, railroad, shared network, Interoperable Train Control Messaging, ITCM, cybersecurity, encryption, National Institute of Standards and Technology, NIST, ELLI
**Abstract:** Researchers sought to determine how to improve the confidentiality of information passing through the...
Report Number
              DOT/FRA/ORD-23/39

  Office
              RDI-23
    13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Author
          Federal Railroad Administration

Subject
                    Best Practices,
                    Rail and Infrastructure Integrity,
                    Track

**Keywords:** Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
**Abstract:** When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
              DOT/FRA/ORD-17/01

  Office
              RRD
    1
Jul
1992
Technical Reports
Improving Transportation Through Railroad Research: 1988-1991
Author
          Office of Research and Development

Subject
                    Best Practices

**Keywords:** Safety Regulations, R&D, Track Buckling, Rail Restraint, Vehicle/Track Interaction, Rail Integrity, Operating Practices, Maglev, TTC, FAST
**Abstract:** The Office of Research and Development (R&D) of the Federal Railroad Administration (FRA) conducts research, development, test, and evaluation projects to directly support the...
Report Number
              DOT/FRA/ORD-92/14

  Office
              RRD
    1
May
1987
Technical Reports
Conductive Interference in Rapid Transit Signalling Systems, Volume II: Suggested Test Procedures
Author
          U.S. DOT Research and Special Programs Administration

Subject
                    Best Practices

**Keywords:** Conductive EMI, Rail System EMI, EMI Measurements
**Abstract:** Methods for detecting and quantifying the levels of conductive electromagnetic interference produced by solid state rapid transit propulsion equipment and for determining the...
Report Number
              DOT-TSC-UMTA-86-7

  Office
              RRD
    1
Sep
1986
Technical Reports
Energy Management Guidelines for Rail Transit Systems: Executive Summary
Author
          Richard A. Uher, Onkar N. Sharma

Subject
                    Best Practices

**Keywords:** Power Rate Structure, Operating Cost Analysis, Energy Reduction
**Abstract:** The cost of electricity is a significant portion of the operating costs of rail transit systems. The impact of increasing energy costs is felt by those systems presently in...
Report Number
              UMTA-PA-06-0083-86-1

  Office
              RRD

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