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Federal Railroad Administration

rosaP Repository & Open Science Access Portal

The Federal Railroad Administration (FRA) promotes safe and environmentally sound rail transportation. The FRA conducts research and development tests to evaluate projects in support of its safety mission and to enhance the railroad system as a national transportation resource. Public education campaigns on highway-rail grade crossing safety and the danger of trespassing on rail property are also administered by FRA. Bookmark this collection https://rosap.ntl.bts.gov/collection_fra or https://doi.org/10.21949/1530835.

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Showing 881 - 900 of 1163 results
  • A Hybrid ActivePassive Exhaust Noise Control System APECS for Locomotives
    A Hybrid Active/Passive Exhaust Noise Control System (APECS) for Locomotives
    Remington, S. J. ;
    Knight, S.
    2002-08-01 | PDF
    This report documents the analysis and development of an Active/Passive Exhaust Noise Control System (APECS) for railroad passenger locomotives that could provide at least 10 dBA noise reduction. Based on preliminary analyses and tests on actual locomotives in 1995 and 1996, a combination active roof-mounted system and a passive exhaust silencer we ...
  • HumanCentered Incident Investigation Methods for the Railroad Industry Conference Summary
    Human-Centered Incident Investigation Methods for the Railroad Industry: Conference Summary
    Reinach, Stephen ;
    Gertler, Judith
    2002-07-01 | PDF
    This report presents a summary of a one-day educational conference on human-centered incident investigation methods for the railroad industry. Fifty-seven participants from the railroads, rail labor, government, and consulting/academia attended the one-day conference, held in Chicago, IL. Mr. George Gavalla, Federal Railroad Administration (FRA) As ...
  • Noise Characteristics of the Transrapid TR08 Maglev System
    Noise Characteristics of the Transrapid TR08 Maglev System
    Brecher, Aviva ;
    Disk, Daniel R.
    2002-07-01 | PDF
    As part of the Federal Railroad Administration's (FRA) Magnetic Levitation Transportation Technology Deployment Program, this technical report has been prepared to characterize the noise associated with the operation of the Transrapid International (TRI) TR08 Maglev System. The TRI TR08 Maglev System is an advanced transportation technology in whic ...
  • A Preliminary Examination of Railroad Dispatcher Workload Stress and Fatigue Research Results
    A Preliminary Examination of Railroad Dispatcher Workload, Stress, and Fatigue [Research Results]
    Raslear, Thomas
    2002-07-01 | PDF
    Railroad dispatchers play a critical role in the safe operation of the nation’s railroads. In response to concerns raised by two Federal Railroad Administration (FRA) safety audits of dispatching operations in the U.S., FRA’s Office of Research and Development undertook a study to examine levels of workload, stress and fatigue in the railroad dispa ...
  • Electromagnetic Field Characteristics of the Transrapid TR08 Maglev System
    Electromagnetic Field Characteristics of the Transrapid TR08 Maglev System
    Brecher, A ;
    Disk, D R
    2002-05-01 | PDF
    As part of the Federal Railroad Administration's Magnetic Levitation Transportation Technology Deployment Program, this technical report has been prepared to characterize the temporal, spatial, and frequency-dependent variability of electromagnetic fields (EMFs) associated with the operation of the Transrapid International (TRI) TR08 Maglev System. ...
  • Locomotive Crashworthiness Research Locomotive Crew Egress Evaluation
    Locomotive Crashworthiness Research: Locomotive Crew Egress Evaluation
    Kokkins, Stephen J.
    2002-05-01 | PDF
    The objectives of this study include the identification of aspects of locomotive design and operation related to crew egress or access by rescuers in accidents, with the goal of improving crew survivability. This work identifies the considerations and options available for improving and optimizing locomotive egress/access methods. A sizable informa ...
  • Aerodynamic effects of highspeed passenger trains on other trains
    Aerodynamic effects of high-speed passenger trains on other trains.
    Holmes, Samuel ;
    Schroeder, Martin P.
    2002-04-01 | PDF
    This study assesses the potential safety risks associated with aerodynamic loads produced by the Acela high-speed train when passing freight and bi-level commuter passenger cars. Acela operates at speeds up to 150 mph, on tangent tracks adjacent to nearby passenger and freight trains. This study was undertaken to determine the effect of the aerodyn ...
  • Rail Commuter Vehicle Curving Performance
    Rail Commuter Vehicle Curving Performance
    Kristoff, Susan
    2002-04-01 | PDF
    This report presents results of a program to design and install a wayside wheel-rail force measurement system. The test site is capable of developing a set of measurements of lateral and vertical forces exerted between the wheel and the rail at carefully chosen locations of all wheels on a single car at two different times using strain gauge sensor ...
  • Vibration characteristics of the Transrapid TR08 Maglev System
    Vibration characteristics of the Transrapid TR08 Maglev System
    Chan, Laura H. ;
    Disk, Daniel R.
    2002-03-01 | DOC
    As part of the Federal Railroad Administration's (FRA) Magnetic Levitation Transportation Technology Deployment Program, the technical report has been prepared to charaterize the vibration associated with the operation of the Transrapid International (TRI) TR08 Maglev System. The TRI Maglev System is an advanced transportation technology in which m ...
    Supporting Files
  • Fiveyear strategic plan for railroad research development and demonstrations
    Five-year strategic plan for railroad research, development, and demonstrations
    United States. Federal Railroad Administration
    2002-03-01 | PDF
    This website provides online access to this Five-Year Strategic Plan for Railroad Research, Development, and Demonstrations ("Five-Year Plan for RD&D"), developed by the Federal Railroad Administration (FRA). Links to different sections of the document provide easy access, while other sections focus on railroad development and research and developm ...
  • Passenger Rail TwoCar Impact Test Volume III Test Procedures Instrumentation and Data
    Passenger Rail Two-Car Impact Test. Volume III Test Procedures Instrumentation and Data
    Brickle, B.
    2002-03-01 | PDF
    A full-scale impact test was performed April 4, 2000, at the Federal Railroad Administration's Transportation Technology Center near Pueblo, Colorado by Transportation Technology Center, Inc., a subsidiary of the Association of American Railroads. The test was performed using two Budd Company Pioneer-type commuter passenger cars coupled together. T ...
  • Effects of hot and cold temperature exposure on performance a metaanalytic review
    Effects of hot and cold temperature exposure on performance : a meta-analytic review
    Pilcher, June J. ;
    Nadler, Eric
    2002-01-01 | PDF
    Adjusting to and working under hot or cold temperatures has long been a challenge for people living under immoderate weather conditions. In spite of the ability in industrialized societies to control indoor temperatures, a similar challenge continues for many people who are regularly exposed to extreme temperatures while working. Concern about the ...
  • Steel alloys with lower bainite microstructures for use in railroad cars and track
    Steel alloys with lower bainite microstructures for use in railroad cars and track
    Steele, Roger King
    2002-01-01 | PDF
    In-line hardening of railroad rails to produce a very fine pearlite microstructure has become a commercial reality. A question that this report seeks to answer is whether or not it is possible to find an alloy composition that will permit the development of lower bainite microstructures by in-line hardening in rails, wheels, and tank car plate. The ...
  • Intruder and Obstacle Detection Systems IODS for Railroads 1998 Requirements Workshop
    Intruder and Obstacle Detection Systems (IODS) for Railroads: 1998 Requirements Workshop
    Carroll, Anya A. ;
    Meltzer, Neil R.
    2001-12-01 | PDF
    This workshop was held June 11 and 12, 1998, at the U.S. Department of Transportation (DOT) John A. Volpe National Transportation Systems Center in Cambridge, Massachusetts. Participants included DOT staff and consultants, state highway and rail representatives, railroads, railroad suppliers, and research and development organizations. The workshop ...
  • Evaluation of semiempirical analyses for railroad tank car puncture velocity part 1 correlations with experimental data
    Evaluation of semi-empirical analyses for railroad tank car puncture velocity, part 1 : correlations with experimental data
    Jeong, D.Y. ;
    Tang, Y.H.
    2001-11-01 | PDF
    This report is the first in a two-part series that focuses on methodologies to determine the puncture velocity of tank car shells. In this context, puncture velocity refers to the impact velocity at which a coupler will puncture the tank. In this report, the methodology to calculate puncture velocity is based on a set of semi-empirical equations. M ...
  • Evaluation of semiempirical analyses for railroad tank car puncture velocity part 2 correlations with engineering analysis
    Evaluation of semi-empirical analyses for railroad tank car puncture velocity, part 2 : correlations with engineering analysis
    Jeong, D. Y. ;
    Tang, Y. H.
    2001-11-01 | PDF
    This report is the second in a series focusing on methods to determine the puncture velocity of railroad tank car shells. In thiscontext, puncture velocity refers to the impact velocity at which a coupler will completely pierce the shell and puncture the tank.In the first report in this series, a set of semi-empirical equations was evaluated by com ...
  • Evaluation of SemiEmpirical Analyses for Tank Car Puncture Velocity Part II Correlations with Engineering Analyses
    Evaluation of Semi-Empirical Analyses for Tank Car Puncture Velocity, Part II: Correlations with Engineering Analyses
    Jeong, D.Y. ;
    Tang, Y.H.
    2001-11-01 | PDF
    This report is the second in a series focusing on methods to determine the puncture velocity of railroad tank car shells. In this context, puncture velocity refers to the impact velocity at which a coupler will completely pierce the shell and puncture the tank. In the first report in this series, a set of semi-empirical equations was evaluated by c ...
  • Progress in Rail Integrity Research
    Progress in Rail Integrity Research
    Jeong, D.Y.
    2001-10-01 | PDF
    This report describes the work conducted over the past two decades on rail integrity research sponsored by the Federal Railroad Administration (FRA) and carried out by the Volpe National Transportation Systems Center. The research has involved both experimental and analytical studies on the subject of rail integrity. Brief descriptions of these var ...
  • Effects of service conditions on the asmanufactured residual stress distribution in commuter car wheels
    Effects of service conditions on the as-manufactured residual stress distribution in commuter car wheels
    Gordon, Jeff ;
    Perlman, A. Benjamin
    2001-09-01 | PDF
    The effects of simulated service conditions on the as-manufactured residual stressdistribution in commuter car wheels are investigated. The residual stresses, thosestresses which remain after all applied loads are removed, can encourage the formationand growth of fatigue cracks. The subject wheels are quenched following initialforging to increase h ...
  • North Carolina Sealed Corridor Phase I US DOT Assessment Report Report to Congress
    North Carolina “Sealed Corridor” Phase I: U.S. DOT Assessment Report: Report to Congress
    United States. Office of Railroad Development
    2001-09-01 | PDF
    In response to a request in the Senate Report 107-38 accompanying the Department of Transportation and Related Agencies Appropriations Act, 2001, this report documents the benefits of the State of North Carolina's Sealed Corridor initiative and the improvements completed at highway--rail grade crossings from March 1995 through September 2000 in ter ...
881 - 900 / 1163