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.
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Technical Reports
Potential Means of Cost Reduction in Grade Crossing Motorist-Warning Control Equipment Volume I: Overview, Technology Survey and Relay Alternatives
Keywords: Railroad-Highway Grade Crossings; Grade Crossing Warning Systems; Grade Crossing Signal Systems
Abstract: The results of a recent study of railroad-highway grade crossing warning system technology are presented. Emphasis in the investigation was placed on the determination of the...
Technical Reports
Parametric Study of Track Response
Keywords: Track Design; Track Degradation; Ballast; Subgrade; Roadbed; Track Response; Concrete Tie; Rail Fastener Stiffness
Abstract: This report was prepared as part of the Improved Track Structures Research Program managed by the Transportation Systems Center. This program is sponsored by the Office of Rail...
Technical Reports
Cost Effectivieness of Research and Development Related to Railroad Electrification in the United States
Keywords: Electrification, Railroad Electrification, Propulsion Systems
Abstract: The object of this report is to determine the impact of research and development on railroad electrification in the United States. It is presumed that electrification is...
Technical Reports
An Analytical and Experimental Evaluation of Concrete Cross Tie and Fastener Loads
Keywords: Track Loading, Track Instrumentation, Track Design, Concrete Cross Ties, Track Components
Abstract: This report has been prepared as part of the Improved Track Structures Research Program sponsored by the Office of Rail Safety Research of the Federal Railroad Administration....
Technical Reports
Users' Manual for Asymmetric Wheel/Rail Contact Characterization Program
Keywords: Wheel/Rail Geometry, Profile Principle Curvature, Wheel Profile, Wheelset, Rail Profile, Quasi-Linearization
Abstract: Wheel/rail geometric constraint relationships, such as the effective conicity and gravitational stiffness, strongly influence the lateral dynamics of railway vehicles. The...