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52550
  
  

  8
Oct
2019
Technical Reports
Acoustical Warning Devices as Emergency Warning Systems, Phase 1
Author
          Federal Railroad Administration

Subject
                    Emergency Notification Systems,
                    Grade Crossing Technology

**Keywords:** Emergency warning, train horn, trespassers, music masking sounds, reaction time, acoustic warning device
**Abstract:** Acoustical warning devices are designed to warn trespassers of an approaching train. This study evaluated the urgency and detectibility of potential warning sounds.
Report Number
              DOT/FRA/ORD-19/40

  Office
              RDI-23
    26
May
2017
Research Results
Industry Survey of Bolsters and Side Frames Removed from Service
Author
          Federal Railroad Administartion

Subject
                    Best Practices,
                    Facilities & Test Equipment,
                    Rolling Stock

**Keywords:** Bolster, side frame, casting, survey, steel
**Abstract:** Transportation Technology Center, Inc. (TTCI) conducted an industry survey of defective bolsters and side frames removed from service. Scrapped components (approximately 70...
Report Number
              RR 17-07

  Office
              RDI-22
    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
    2
Mar
2016
Other Reports
Section 610 Periodic Review of Railroad Accidents/Incidents: Reports Classification and Investigations (49 CFR Part 225)
Author
          Federal Railroad Administration

Subject
                    Accident Investigations,
                    Best Practices

**Keywords:** economic impact
**Abstract:** The purpose of this document is to provide information and further details on the determination of the economic impact on small entities of 49 CFR Part 225, Railroad Accidents/...
Office
              RRS
    30
Jun
2014
Human Capital Management
Leadership and Knowledge Management : Best Practices Guide

Subject
                    Best Practices


**Abstract:** The guide summarizes key principles that can guide the implementation of programs in these areas, provides examples of processes that have been utilized successfully in the public...

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