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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 601 - 620 of 1162 results
  • Data analysis of grade crossing incidents research results
    Data analysis of grade crossing incidents : research results.
    John A. Volpe National Transportation Systems Center (U.S.)
    2011-12-01 | PDF
    Incidents and fatalities at highway-rail grade crossing in the United States have declined significantly over the past two decades despite a significant increase in both train and vehicle traffic. Therefore, to provide a more realistic comparison of safety performance over the years, it is important to include both train and vehicle traffic when ca ...
  • Evaluation of Education and Outreach Programs 201112 Research Results
    Evaluation of Education and Outreach Programs [2011-12] [Research Results]
    Horton, Suzanne
    2011-12-01 | PDF
    Education and outreach are acknowledged, if only anecdotally, for contributing to an overall safer rail environment. The use of education and outreach programs as a means to improve highway-rail safety has expanded over the years since 1970 and the inception of Operation Lifesaver, Inc. These programs are commonly used to supplement safety measures ...
  • Technical Criteria and Procedures for Evaluating the Crashworthiness and Occupant Protection Performance of Alternatively Designed Passenger Rail Equipment for Use in Tier I Service
    Technical Criteria and Procedures for Evaluating the Crashworthiness and Occupant Protection Performance of Alternatively Designed Passenger Rail Equipment for Use in Tier I Service
    Carolan, Michael E. ;
    Jacobsen, Karina
    2011-10-01 | PDF
    Criteria and procedures have been developed for assessing crashworthiness and occupant protection performance of alternatively designed trainsets to be used in Tier I (not exceeding 125 mph) passenger service. These criteria and procedures take advantage of the latest technology in rail equipment crashworthiness and include aspects that are fundame ...
  • Work Schedules and Sleep Patterns of Train and Engine Service Employees in Passenger Operations Research Results
    Work Schedules and Sleep Patterns of Train and Engine Service Employees in Passenger Operations [Research Results]
    Raslear, Thomas G.
    2011-05-01 | PDF
    The Federal Railroad Administration’s (FRA) Office of Research and Development sponsored a project to study the work schedules and sleep patterns of U.S. railroad train and engine (T&E) employees in passenger operations. A prior study of all T&E employees, both passenger and freight, had an inadequate number of T&E workers in passenger service to m ...
  • Analysis of the Relationship Between Operator Effectiveness Measures and Economic Impacts of Rail Accidents
    Analysis of the Relationship Between Operator Effectiveness Measures and Economic Impacts of Rail Accidents
    Hursh, Steven ;
    Fanzone, Joseph
    2011-05-01 | PDF
    Data from 350 human factors (HFs)-related accident and 958 non-HFs-related U.S. rail accidents from January 1, 2003, through May 31, 2003, were analyzed for relationship between accident cost and crew performance effectiveness scores as estimated by the Sleep, Activity, Fatigue, and Task Effectiveness (SAFTE) biomathematical fatigue model. Property ...
  • Performance of Plastic Composite Ties in Revenue Service
    Performance of Plastic Composite Ties in Revenue Service
    Jimenez, Rafael ;
    Li, Dingqing
    2011-05-01 | PDF
    Two types of plastic composite ties were tested on a 6.8-degree curve at the Norfolk Southern (NS) Railway eastern mega site between Narrows and Bluefield, WV. This test, as shown in Figure 1, was part of the Heavy Axle Load (HAL) Revenue Service Test Program funded by the Association of American Railroads and the Federal Railroad Administration (F ...
  • Heavy Axle Load Revenue Service MudFouled Ballast Investigation
    Heavy Axle Load Revenue Service Mud-Fouled Ballast Investigation
    Read, David ;
    Hyslip, James P.
    2011-05-01 | PDF
    The Federal Railroad Administration and the Association of American Railroads are cosponsoring research into track substructure performance being carried out by Transportation Technology Center, Inc. (TTCI). One issue being addressed is the problem of muddy ballast and localized mud spots. Ballast that is highly fouled with mud suffers significant ...
  • Performance of Elastic Fasteners on an 8Degree Curve in Revenue Service Research Results
    Performance of Elastic Fasteners on an 8-Degree Curve in Revenue Service [Research Results]
    Maal, Luis ;
    Carr, Gary
    2011-04-01 | PDF
    A test of elastic rail fastening systems was conducted on an 8-degree curve in the Norfolk Southern (NS) Mega Site as part of the Revenue Service Test Program, which is jointly sponsored by the Association of American Railroads and the Federal Railroad Administration (FRA). From June 2005 to January 2010, two types of elastic fasteners (AirBoss and ...
  • Railroad rightofway incident analysis research
    Railroad right-of-way incident analysis research.
    Chaudhary, Mina ;
    Hellman, Adrian
    2011-04-01 | PDF
    Locations of railroad right-of-way incidents in this research were identified as hotspots. These can be defined as highway-rail grade crossings or locations along the railroad right-of-way where collision or trespassing risk is unacceptably high and intervention is justified because the potential safety benefits exceed the cost of intervention. Thi ...
  • Preliminary development of locomotive crashworthy components
    Preliminary development of locomotive crashworthy components
    Llana, Patricia ;
    Stringfellow, Richard G.
    2011-03-16 | PDF
    The Federal Railroad Administration (FRA) and the Volpe Center are continuing to evaluate new technologies for increasing the safety of passengers and operators in rail equipment. In recognition of the importance of override prevention in train-to-train collisions in which one of the vehicles is a locomotive, and in light of the success of crash en ...
  • Application of Nadal Limit in the prediction of wheel climb derailment
    Application of Nadal Limit in the prediction of wheel climb derailment
    Marquis, Brian P. ;
    Greif, Robert
    2011-03-16 | PDF
    Application of the Nadal Limit to the prediction of wheel climb derailment is presented along with the effect of pertinent geometric and material parameters. Conditions whichcontribute to this climb include wheelset angle of attack, contact angle, friction and saturation surface properties, and lateral and vertical wheel loads. The Nadal limit is a ...
  • Examination of vehicle performance at high speed and high cant deficiency
    Examination of vehicle performance at high speed and high cant deficiency
    Marquis, Brian P. ;
    LeBlanc, Jon
    2011-03-16 | PDF
    In the US, increasing passenger speeds to improve trip timeusually involves increasing speeds through curves. Increasingspeeds through curves will increase the lateral force exerted ontrack during curving, thus requiring more intensive trackmaintenance to maintain safety. These issues and otherperformance requirements including ride quality and veh ...
  • Preliminary reconstruction of the November 30 2007 Chicago IL rail collision
    Preliminary reconstruction of the November 30, 2007 Chicago, IL rail collision
    Llana, Patricia ;
    Tyrell, David C.
    2011-03-16 | PDF
    The Volpe Center is supporting the Federal Railroad Administration in performing rail passenger equipment crashworthiness research. The overall objective of this research is to develop strategies for improving structural crashworthiness and occupant protection. A field study of passenger train accidents is being conducted to investigate the causal ...
  • Semianalytical approach to estimate railroad tank car shell puncture
    Semi-analytical approach to estimate railroad tank car shell puncture
    Jeong, David Y. ;
    Tang, Yim H.
    2011-03-16 | PDF
    This paper describes the development of engineering-based equations to estimate the puncture resistance of railroad tank cars under a generalized shell or side impact scenario. Resistance to puncture is considered in terms of puncture velocity, which is defined as the impact velocity at which puncture is expected to occur. In this context, puncture ...
  • Crashworthiness analysis of the January 26 2005 Glendale California rail collision
    Crashworthiness analysis of the January 26, 2005 Glendale, California rail collision
    Parent, Daniel ;
    Tyrell, David C.
    2011-03-16 | PDF
    In Glendale, California on January 26, 2005, impact withan SUV on the track caused a southbound commuter train toderail, impact a standing freight train, buckle laterally outward,and rake the side of a northbound commuter train. Significantdeformation resulted in the front of the southbound train andthe side of the northbound train. There were a to ...
  • Potential scenarios of concern for high speed rail operations
    Potential scenarios of concern for high speed rail operations
    Carolan, Michael E. ;
    Sullivan, Laura
    2011-03-16 | PDF
    Currently, multiple operating authorities are proposing theintroduction of high-speed rail service in the United States.While high-speed rail service shares a number of basicprinciples with conventional-speed rail service, the operationalrequirements on a high-speed rail system are typically moredemanding than those for conventional-speed operation ...
  • Deformation behavior of welded steel sandwich panels under quasistatic loading
    Deformation behavior of welded steel sandwich panels under quasi-static loading
    Carolan, Michael E. ;
    Jeong, David Y.
    2011-03-16 | PDF
    This paper summarizes basic research (i.e., testing and analysis)conducted to examine the deformation behavior of flat-weldedsteel sandwich panels under two types of quasi-static loading:(1) uniaxial compression; and (2) bending through an indenter.The objectives of these tests were to: (1) confirm the analyticaland computational (i.e., finite elem ...
  • Fuel tank crashworthiness loading scenarios
    Fuel tank crashworthiness : loading scenarios
    Jacobsen, Karina
    ORCID ICON IMG
    2011-03-16 | PDF
    The Federal Railroad Administration’s Office of Research and Development is conducting research into fuel tank crashworthiness. The breaching of fuel tanks during passengerrail collisions and derailments increases the potential of serious injury and fatality due to fire. This paper identifies and describes common collision loading scenarios for loc ...
  • Preliminary results of the trespass prevention research study in West Palm Beach Florida
    Preliminary results of the trespass prevention research study in West Palm Beach, Florida
    da Silva, Marco P. ;
    Carroll, Anya A.
    2011-03-16 | PDF
    The United States Department of Transportation’s (USDOT) Research and Innovative Technology Administration’sJohn A. Volpe National Transportation Systems Center (VolpeCenter), under the direction of the US DOT Federal RailroadAdministration (FRA) Office of Research and Development(R&D), is conducting a Trespass Prevention Research Study(TPRS) in th ...
  • Work Schedules and Sleep Patterns of Railroad Train and Engine Service Employees in Passenger Operations Final Report
    Work Schedules and Sleep Patterns of Railroad Train and Engine Service Employees in Passenger Operations [Final Report]
    Gertler, Judith ;
    DiFiore, Amanda
    2011-03-01 | PDF
    This report presents the results of a study designed to characterize the work/rest schedules and sleep patterns of U.S. railroad train and engine service (T&E) personnel in passenger service and to examine the relationship between these schedules and fatigue. The methodology was a survey of a random sample of U.S. railroad passenger service T&E per ...
601 - 620 / 1162