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Federal Railroad Administration Federal Railroad Administration
Federal Railroad Administration
The Federal Railroad Administration (FRA) promotes safe and environmentally sound rail transportation. With the responsibility of ensuring railroad safety throughout the nation, the FRA employs safety inspectors to monitor railroad compliance with federally mandated safety standards including track maintenance, inspection standards and operating practices. 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... More ▼
The Federal Railroad Administration (FRA) promotes safe and environmentally sound rail transportation. With the responsibility of ensuring railroad safety throughout the nation, the FRA employs safety inspectors to monitor railroad compliance with federally mandated safety standards including track ... More ▼
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  • 2015 Right-of-Way Fatality and Trespass Prevention Workshop
    Published Date:
    2017-05-01
    Abstract:
    In response to the successful 2008 and 2012 Trespasser Workshops, Federal Railroad Administration (FRA) sponsored the 2015 Right-of-Way (ROW) Fatality and Trespass Prevention workshop to keep up the momentum that had been previously established. The ...
    File Type:
    Filetype[PDF - 1.72 MB]
  • Feasibility of Track Energy Metric : Research Results
    Published Date:
    2018-04-01
    Abstract:
    Identifying track locations with rapid degradation potential and derailment risks due to structural failure is important for the railroad industry. Among the tools used to identify degradation are Track Quality Indexes (TQIs), a track geometry-based ...
    File Type:
    Filetype[PDF - 853.82 KB]
  • Positive train control desense mitigation test : research phase 1.
    Published Date:
    2016-05-01
    Abstract:
    Final report for Positive Train Control (PTC) Desense Mitigation Test Research project includes description of Northeast Corridor (NEC) PTC deployments, PTC radio desense scenarios, PTC radio desense mitigation approaches, PTC radio desense mitigatio...
    File Type:
    Filetype[PDF - 3.21 MB]
  • Ballast degradation characterized through triaxial test : research results.
    Published Date:
    2016-06-01
    Abstract:
    Transportation Technology Center, Inc. (TTCI)has supported the development of a large-scaletriaxial test device (Figure 1) for testing ballastsize aggregate materials at the University ofIllinois at Urbana-Champaign (UIUC). This newtest equipment use...
    File Type:
    Filetype[PDF - 1021.09 KB]
  • Manual for research, development and technology program and project evaluations : final report.
    Published Date:
    2016-04-01
    Abstract:
    This manual provides the Federal Railroad Administration’s (FRA) Office of Research, Development and Technology (RD&T) aframework, standards, and procedures for planning, conducting, reporting, and using sound evaluations of RD&T’s projects forim...
    File Type:
    Filetype[PDF - 591.64 KB]
  • Heavy point frog performance under passenger vehicles : final report.
    Published Date:
    2016-06-01
    Abstract:
    Federal Railroad Administration contracted with the Transportation Technology Center, Inc., Pueblo, Colorado, to conduct aninvestigation of passenger vehicle performance running through heavy point frog (HPF) up to speeds of 110 mph. A NUCARS®simula...
    File Type:
    Filetype[PDF - 3.43 MB]
  • Prototype next generation frog foundation - preliminary evaluation : research results.
    Published Date:
    2016-06-01
    Abstract:
    Conventional wisdom suggests that a solid or rigid one-piece frog is preferred because it is easy to maintain. However, testing and subsequent modeling demonstrated that a flexible frog (i.e., a two-piece frog split in the flangeway) produced signifi...
    File Type:
    Filetype[PDF - 441.87 KB]
  • Probability of detection evaluation results for railroad tank cars : final report.
    Published Date:
    2016-08-01
    Abstract:
    The Transportation Technology Center, Inc. (TTCI) used the approach developed for the National Aeronautics and SpaceAssociation to determine the probability of detection (POD) for various nondestructive test (NDT) methods used during inspectionof rai...
    File Type:
    Filetype[PDF - 1.87 MB]
  • Nuclear Magnetic Resonance Trackbed Moisture Sensor System
    Published Date:
    2018-02-01
    Abstract:
    In this initial phase, conducted from March 2015 through December 2016, Vista Clara and its subcontractor Zetica Rail successfully developed and tested a man-portable, non-invasive spot-check nuclear magnetic resonance (NMR) moisture sensor that dire...
    File Type:
    Filetype[PDF - 3.76 MB]
  • Bridge Approach Remedies Implemented at Western Mega Site
    Published Date:
    2017-09-01
    Abstract:
    As part of the heavy axle load (HAL) revenue service mega site testing program, the Transportation Technology Center, Inc. (TTCI) has worked closely with the Union Pacific Railroad (UP) to address bridge approach problems under HAL operations. The te...
    File Type:
    Filetype[PDF - 503.08 KB]
  • Probability of detection evaluation results for railroad tank car nondestructive testing : final report.
    Published Date:
    2016-08-01
    Abstract:
    The Federal Railroad Administration (FRA), Transportation Technology Center, Inc. (TTCI), and rail industry participants haveperformed probability of detection (POD) assessments to evaluate nondestructive testing (NDT) technologies, which areprescrib...
    File Type:
    Filetype[PDF - 11.36 MB]
  • Full-Scale Shell Impact Test of a DOT-117 Tank Car
    Published Date:
    2018-02-01
    Abstract:
    On September 28, 2016, the Federal Railroad Administration (FRA) conducted a full-scale shell impact test of a DOT-117A100W (DOT-117) tank car at the Transportation Technology Center (TTC) in Pueblo CO. The shell of the car was struck at the mid-leng...
    File Type:
    Filetype[PDF - 974.28 KB]
  • Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter
    Published Date:
    2017-09-01
    Abstract:
    In this report, research was conducted at the University of Nebraska-Lincoln pertaining to the use of ultrasound scattering from polycrystalline grains to estimate and monitor stress in rail. The report presents a comprehensive discussion of the theo...
    File Type:
    Filetype[PDF - 5.85 MB]
  • Rail Tank Car Total Containment Fire Testing
    Published Date:
    2018-10-01
    Abstract:
    Given the frequent incidences of Non-Accident Releases (NARs) of hazardous materials from tank cars, there is increased interest in transporting hazardous materials in total containment conditions (i.e., no pressure relief devices [PRD]). The primary...
    File Type:
    Filetype[PDF - 6.28 MB]
  • A Wire Indent Profiling System for the Assessment of Crosstie Bond and Splitting Propensity
    Published Date:
    2019-03-01
    Abstract:
    This research result highlights a significant outcome from a task within a larger research project entitled, “Developing Qualification Tests to Ensure Proper Selection and Interaction of Pretensioned Concrete Railroad Tie Materials.” This researc...
    File Type:
    Filetype[PDF - 670.51 KB]
  • In-Depth Data Analysis of Grade Crossing Accidents Resulting in Injuries and Fatalities
    Published Date:
    2017-05-01
    Abstract:
    Grade crossing accidents represent a significant proportion of railroad-related fatalities and injuries. FRA is committed to improving public safety by decreasing the number of grade crossing accidents. In this project, the FRA grade crossing inciden...
    File Type:
    Filetype[PDF - 7.01 MB]
  • A Survey of Wheel/Rail Friction