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General

Safety Relevant Observations on the Ice High-Speed Train

The Federal Railroad Administration (FRA) is concerned with safety the of high-speed rail technology proposed for possible application in the United States. This report, one in a series of reports'-pertaining to high-speed rail technologies, presents an initial review of the German high-speed train...

Safety Aspects of New Trucks and Lightweight Cars, Car 2 Final Report

The Federal Railroad Administration and Association of American Railroads (AAR) sponsored a program to validate new techniques for the analysis and testing of safety and track worthiness aspects of new freight cars and suspension designs. The program involved subjecting a lightweight aluminum...

Field Testing of a Wayside Wheel Crack Detection System

A prototype crack detection system for railroad wheels has been developed by the National Institute of Standards and Technology (NIST) for the Federal Railroad Administration (FRA). The system is designed to detect the presence of thermal cracks in railroad wheels as they pass by an inspection...

Effect of Worn Components on Brake Forces in a Freight Car Rigging

A braking test program was conducted to investigate the extent of and causes for significant variations in braking thermal input to railcar wheels. The program consisted of the following tasks: -Brake force data was reviewed from previous test programs and computer simulations of brake forces in...