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.
Technical Reports
Investigation of Rail Fastener Performance Requirements
Keywords: Fasteners
Abstract: An investigation was conducted to develop qualification requirements which reliably indicate the service performance of rail fasteners. The study included a review of available...
Technical Reports
The Status of Advanced Propulsion Technology in Japan
Keywords: Electromagnetic Interference, Transit Car Propulsion, Signalling, Choppers
Abstract: This report describes the efforts of Japanese transit industry- manufacturers and transit operators- in the area of advanced propulsion systems for urban rail vehicles. It...
Technical Reports
Characterization of Relatively Large Track Geometry Variations
Keywords: Derailment, Track Safety Standards, Constrained Track, RMS Processor, Track Degradation, Cusp, Bump, Jog, Mid-Chord Offset, Space Curve
Abstract: An analysis of existing track geometry data is described from which the signatures of key track geometry variations related to severe track-train dynamic interaction are...
Technical Reports
Improvement of Railroad Roller Bearing Test Procedures and Development of Roller Bearing Diagnostic Techniques Volume I: Acceptance Test
Keywords: Tapered Roller Bearings, Bearing Defects, Certification
Abstract: Bearing defect data from 8,000 railroad roller bearings are analyzed to determine their defect modes and defect rate distributions. Cone bore growth, brinelling, and fatigue are...
Technical Reports
Mechanics of Ballast Compaction: Field Methods for Ballast Physical State Measurement
Keywords: Field Tests, Density, Bearing Test, Lateral Tie Push Test
Abstract: Field methods for measuring ballast physical state are needed to study the effects of ballast compaction. Following a consideration of various alternatives, three methods were...