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  1
Feb
2021
Technical Reports
High Speed Rail Noise Standards and Regulations
Author
          Federal Railroad Administration

Subject
                    High-Speed Passenger Rail

**Keywords:** European Union, EU, standards, regulations, codes, recommended practices, rolling stock, high speed rail

Report Number
              DOT/FRA/ORD-21/03

  Office
              RDI-22
    25
Jul
2018
Technical Reports
Evaluation of the Degradation of Concrete Ties Using Machine Vision Technology on High-Speed Rail Corridors
Author
          Federal Railroad Administration

Subject
                    High-Speed Passenger Rail

**Keywords:** Concrete tie, concrete crosstie, tie degradation, cracked tie, concrete tie conditions, tie maintenance, tie replacement, tie inspection, tie grading, tie assessment, Northeast Corridor, concrete tie grades
**Abstract:** ENSCO, Inc. used machine vision technology to assess concrete tie degradation in Amtrak’s high-speed Northeast Corridor (NEC) over a 13-month period.  The study examined three...
Report Number
              DOT/FRA/ORD-18/26

  Office
              RDI-21
    1
Nov
2017
Technical Reports
Development and Evaluation of a Moving Map Display for Rail Applications
Author
          Liu, Andrew M. ; Oman, Charles M. ; Voelbel, Kathleen

Subject
                    High-Speed Passenger Rail,
                    Human Factors,
                    Automation

**Keywords:** CTIL; CTILWEB; Hybrid Cognitive Task Analysis; Moving Map; iPad; Heads-up Display; HUD; Situation Awareness; Safety; Human-in-the-loop Testing; Passenger Rail Service; Head-up Display
**Abstract:** This report describes the development and evaluation of a prototype real-time moving map display to support engineer situation awareness and safety performance for future U.S....
Report Number
              DOT/FRA/ORD-17/24

  Office
              RDI-24
    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
    6
Apr
2015
Technical Reports
Identification of High-Speed Rail Ballast Flight Risk Factors and Risk Mitigation Strategies – Final Report
Author
          Federal Railroad Administration

Subject
                    High-Speed Passenger Rail

**Keywords:** Ballast flight; high-speed rail; intercity passenger rail; Identification of High-Speed Rail Ballast Flight Risk Factors and Risk Mitigation Strategies – Final Report
**Abstract:** The phenomenon of flying ballast is well-documented in high-speed rail operations. Displaced ballast particles from the track bed may cause damage to rolling stock as well as the...
Report Number
              DOT/FRA/ORD-15/32

  Office
              RDI-21

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