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
A Prototype Maintenance-of-Way Planning System Volume I: Final Report Including Appendices A through E
Keywords: Track Maintenance Planning, Track Quality Indices, Track Degradation, Track Geometry
Abstract: The results of this study substantiate the concept of using automatic track inspection vehicles as a tool in Maintenance-of-Way planning. This study is based on data collected...
Technical Reports
Proceedings of the October 1979 Workshop for Classification Yard Technology: "A Status Report on Yard Research"
Keywords: Case Study, Speed Control System, Retarder, Presence Detectors, Rollability, Electromagnetic Compatibility (EMC), Process Control
Abstract: The Classification Yard Technology Workshop was sponsored by the Federal Railroad Administration (FRA) to present the results of current yard research under the Railroad...
Technical Reports
Operational Parameters in Acoustic Signature Inspection of Railroad Wheels
Keywords: Railroad Wheels; Acoustic Signature; Inspection Systems; Residual Stress
Abstract: A brief summary is ,given of some prior studies which established the feasibility of using acoustic signatures for inspection of railroad wheels. The purpose of the present work...
Technical Reports
Statistical Representations of Track Geometry Volume I- Text
Keywords: Track Inspection Cars, Simulation Models, Statistical Models
Abstract: Mathematical representations of railroad track geometry variations are derived from time series analyses of track measurements. Since the majority of track is free of anomalies (...
Technical Reports
Statistical Representations of Track Geometry Volume II - Appendixes
Keywords: Track Geometry; Track Irregularities; Track Inspectior Cars; Simulation Models; Railhead Profile; Statistical Analyses; Statistical Models
Abstract: This volume contains some of the more detailed data and analyses to support the results and conclusions reached in Volume I of this report. It is divided into appendixes lettered...