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Progress in Rail Integrity Research

This report describes the work conducted over the past two decades on rail integrity research sponsored by the Federal Railroad Administration (FRA) and carried out by the Volpe National Transportation Systems Center. The research has involved both experimental and analytical studies on the subject...

Commuter Rail Seat Testing and Analysis

The need to determine the structural integrity and passenger safety provided by existing commuter rail seats was identified by the Construction/Structural Subgroup of the American Public Transportation Association’s (APTA) Passenger Rail Equipment Safety Standards (PRESS) Task Force. Recognizing...

Acoustic Detection of Railcar Roller Bearing Defects: Phase II, Field Test

The Transportation Technology Center, Inc. (TTCI), a subsidiary of the Association of American Railroads (AAR) Research and Test Department, conducted a series of simulated revenue service tests with a train of eight cars containing wheel sets with specific roller bearing defects and wheel sets...

A Preliminary Description of Stresses in Railroad Rail

One portion of the Federal Railroad Administration's (FRA) Track Performance Improvement Program is the development of engineering and analytic techniques required for the design and maintenance of railroad track of increased integrity and safety. Under the program management of the Transportation...

Evaluation of FRA Trespass Preventation Research Study

The United States Department of Transportation’s (US DOT) John A. Volpe National Transportation Systems Center (Volpe Center), under the direction of the US DOT Federal Railroad Administration (FRA) Office of Research and Development (R&D), conducted an independent internal evaluation of the...