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Laboratory Tests of Two 100-Ton Covered Hopper Cars

The Federal Railroad Administration (FRA) and the Association of American Railroads (AAR) have jointly sponsored an experimental program to study the 100-ton covered hopper car with the end objective of improving its safety performance. The total program includes track and laboratory testing of two...

Conductive Interference in Rapid Transit Signaling Systems, Volume I: Theory and Data

The purpose of this report is to summarize the results of a comprehensive program that has been pursued to delineate all aspects of conductive interference (Cl) in rail transit systems and to help avoid its effects in new rail transit systems. The report documents the efforts to achieve an...

Certain Railroad Employee Fatalities Investigated by the Federal Railroad Administration: Calendar Year 1984

[From the Introduction] This report presents the Federal Railroad Administrations's findings in its investigation of 40 railroad employee fatalities suffered during 1984. Not included are the employee fatalities that occurred as a result of train derailments, collisions, or rail-highway crossing...

Advanced Group Rapid Transit Vehicle Control Unit Design Summary

The purpose pf the Advanced Group Rapid Transit (AGRT) program was to develop an advanced automated guideway transit system capable of providing high passenger volumes, short waiting times, and high levels of passenger service. The system is the development of a transportation system consisting of...

Accident/Incident Bulletin No. 153 Calendar Year 1984

[From the Introduction] Railroads are required to file monthly accident/incident reports with the Federal Railroad Administration's (FRA) Office of Safety in accordance with 49 CFR 225. Bulletin 153 summarizes reportable accidents/incidents that occurred in the United States during 1984.

Vehicle/Track Interaction Assessment Techniques Volume III, Part II

This report describes Vehicle/Track Interaction Assessment Techniques (IAT) which are developed to provide standardized procedures and tools in order to investigate the dynamic performance of railroad vehicles, and systematically identify and cure dynamic track interaction problems associated...

Vehicle/Track Interaction Assessment Techniques Volume II, Part II

Vehicle/Track Interaction Assessment Techniques Volume I, Part I

This report describes Vehicle/Track Interaction Assessment Techniques (IAT) which - are developed to provide standardized procedures and tools in order to: Investigate the dynamic performance of railroad vehicles, and systematically identify and cure dynamic track interaction problems associated...

Validation of Track Geometry Input to the Vibration Test Unit (VTU) and the Endurance Capability of the VTU

This report describes a series of tests conducted at the Transportation Test Center, Pueblo, Colorado, to validate two forms of track geometry inputs to the Vibration Test Unit (VTU) in the Rail Dynamics Laboratory, capable of reproducing actual revenue track conditions. The first form consisted of...

Task Force Report: Rail Failure Evaluation

[From the Executive Summary] On November 12, 1983, an Amtrak passenger train operating on Missouri Pacific track in the vicinity of Marshall, Texas, derailed at a speed of between 70 and 75 miles per hour as it traversed a temporary track repair. The alloy rail over which the train was passing...

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