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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.
Refine Your Search

To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.

11 Feb 2022

Technical Reports

Acoustical Warning Device for Locomotive Horns

Author
Federal Railroad Administration

Subject Grade Crossing Technology

Keywords: Acoustic Warning Device, AWD, air horn, variable directivity, grade crossing, sound beam steering, speaker array, locomotive, detectability, noise reduction

Abstract:

This summarizes the R&D of a variable directivity Acoustic Warning Device (AWD) used as a locomotive horn and a GPS to control an arrangement of directional loudspeakers....

Report Number
DOT/FRA/ORD-22/08
Office
RDI-22

8 Feb 2022

Technical Reports

Rail Crossing Violation Warning (RCVW) Application - Phase II

Author
Federal Railroad Administration

Subject Train Control

Keywords: Rail Crossing Violation Warning, RCVW, connected vehicles, CV, Connected Automated Vehicles, CAV, Highway-Rail Intersection, Dedicated Short Range Communications, DSRC, signal phase and timing, SPaT, Map Data, MAP, IEEE

Report Number
DOT/FRA/ORD-22/07
Office
RDI-23

4 Feb 2022

Technical Reports

Proceedings of FRA Workshops on Environmentally Sustainable Energy Technologies Powering Future of Rail

Author
Federal Railroad Administration

Subject Rolling Stock

Keywords: Energy, efficiency, railroad, freight, passenger, batteries, alternative fuels, rail propulsion, environment, emissions, sustainability, net zero, FRA workshop, hydrogen, nuclear, rolling stock

Report Number
DOT/FRA/ORD-22/06
Office
RDI-22

3 Feb 2022

Technical Reports

In-Vehicle Auditory Alerts Literature Review

Author
Federal Railroad Administration

Subject Grade Crossing and Trespass Outreach/Education, Highway-Rail Grade Crossings

Keywords: Highway-rail grade crossing, HRGC, in-vehicle auditory alerts, IVAA, auditory alerts, spatial auditory displays, human factors

Abstract:

This literature review covers over 70 standards, research, and use cases on the design of in-vehicle auditory alerts (IVAAs) for highway-rail grade crossings (HRGCs). 

Report Number
DOT/FRA/ORD-22/05
Office
RDI-24

3 Feb 2022

Technical Reports

Mechanical Properties of TC-128B Steel during Multiple Stages of Tank Car Fabrication

Author
Federal Railroad Administration

Subject Hazardous Materials

Keywords: Steel, TC-128B, tank cars, fabrication, post-weld heat treatment, PWHT, transportation safety, fabrication, tensile testing, mechanical properties, material characterization

Report Number
DOT/FRA/ORD-22/04
Office
RDI-22