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?
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- 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.
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- Document is related to rules and notices. This information can now be found on the Rulemakings search and the Notices search, respectively.
Technical Reports
Discrete Element Modeling of Railroad Ballast Behavior
Keywords: Ballast behavior, discrete element modeling, DEM, Discrete Element Method, triaxial test, fouling, dynamic train loading, ballast degradation and image analysis
Abstract: An innovative integrated computational-experimental laboratory testing framework has been developed at the University of Illinois at Urbana-Champaign to evaluate clean and fouled...
Technical Reports
Next Generation Track Circuits
Keywords: Next generation track circuits, NGTC, Communications-Based Train Control, CBTC, Positive Train Control, PTC, moving blocks, movement authorities
Abstract: The Federal Railroad Administration (FRA) sponsored a project from June 8, 2015, through June 7, 2017, in which Transportation Technology Center, Inc. (TTCI) investigated concepts...
Technical Reports
Signaling System and Advanced Civil Speed Enforcement System Upgrade to Transit Test Track at the Transportation Technology Center : Appendix A: Alstom Aspect Chart
Abstract: The Federal Railroad Administration (FRA) and the Transportation Technology Center, Inc. (TTCI) have upgraded the Positive Train Control (PTC) Test Bed at the Transportation...
Technical Reports
Signaling System and Advanced Civil Speed Enforcement System Upgrade to Transit Test Track at the Transportation Technology Center : Appendix B: Transponder Database Layout Description -TTT Loop
Abstract: The Federal Railroad Administration (FRA) and the Transportation Technology Center, Inc. (TTCI) have upgraded the Positive Train Control (PTC) Test Bed at the Transportation...
Other Reports
Operational Test Plan F4OPH/Banking Amcoach Cant Deficiency Test
Abstract: The objectives of testing the F4OPH and the prototype banking Amcoach at high cant deficiency are: o To evaluate the maximum safe curving speeds of the F4OPH diesel locomotive and...