eLibrary Search
The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.
Can I find All FRA Documents in the Library?
Some "documents" may not appear here for the following reasons:
- Document resides on an external site for the record of source, links to the document are provided in context but not in the library as FRA does not maintain this record. This document lives on another website.
- Document has not yet been assigned keywords.
- Document is historical and has been removed from library to avoid confusion with current publications.
- Document is public affairs & policy related, such as press releases, speeches, testimony, or fact sheet. These press-related documents can now be found in the FRA Newsroom.
- Document is related to rules and notices. This information can now be found on the Rulemakings search and the Notices search, respectively.
Safety Advisories
Safety Advisory 2023-04; High-Impact Wheels Causing Damage to Rails and Track
Keywords: Safety Advisory, high-impact wheels, Wheel Impact Load Detectors (WILD)
Abstract: This report characterizes the amplitude and wavelength content of the current track geometry environment of the United States railroad system and examines the combination of...
Technical Reports
Characterization of Track Geometry for Various Operational Conditions
Keywords: Track geometry, track quality, track irregularities, space curve, Automated Track Inspection Program, ATIP, Power Spectral Density, PSD, clustering
Abstract: This report characterizes the amplitude and wavelength content of the current track geometry environment of the United States railroad system and examines the combination of...
Technical Reports
Torsional Strength and Stiffness of a Passenger Car Coupling System
Keywords: Full Scale Testing, H couplers, Coupler Torsion, Torsional Transmission
Abstract: Between September 2019 and June 2022, the Federal Railroad Administration (FRA) sponsored a research team from Sharma & Associates to model and test the torsional strength...
Technical Reports
Autonomous Inspection System Based on Passive Sensing and Anomaly Detection
Keywords: Ballast moisture monitoring, fouled ballast monitoring, passive sensing system, frequency doubling reflectenna, sequential change detection, deep neural networks, machine learning, artificial intelligence, high-frequency electrical simulation models
Abstract: Detecting poor track conditions before they become safety-critical is essential for improving the safety and efficiency of railroads. To this end, autonomous track inspection...
Technical Reports
Locomotive Crash Energy Management Train-to-Train Collision Test
Keywords: Impact test, crash energy management, CEM, occupant protection systems, transportation safety, passenger car safety
Abstract: The Federal Railroad Administration (FRA) sponsored MxV Rail to conduct a collision test using both a moving and a stationary three-car consist. The moving consist included an...