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Design Data on Suspension Systems of Selected Rail Passenger Cars

This report presents the results of an effort to compile data for the U.S. fleet of railroad passenger cars, and to describe the different passenger car truck designs and design features used in the United States. The report provides a detailed discussion of the functions of a rail passenger car...

Safety of High Speed Ground Transportation Systems: Analytical Methodology for Safety Validation of Computer Controlled Subsystems. Volume 1. State-Of-The-Art and Assessment of Safety Verification/Validation Methodologies

This report describes the development of a methodology designed to assure that a sufficiently high level of safety is achieved and maintained in computer-based systems which perform safety critical functions in high-speed rail or magnetic levitation transportation systems. This report consists of...

Locomotive Crashworthiness Research: Executive Summary

Four reports on a study to evaluate whether various crashworthiness features, as defined in Public Law 102-365, can provide practical benefit to the occupants of freight locomotives are summarized. In particular, the benefit was assessed relative to the current industry standard, S-580. The work...

Trial Low Track Modulus Tests at FAST

A study to investigate the influence of low track modulus on track performance under traffic was conducted by the Association of American Railroads, Transportation Test Center, Pueblo, Colorado. A 100-foot trial section of track was constructed to control track modulus. The existing stiff natural...