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Keywords: Differential Global Positioning System (DGPS)
Abstract: Transportation Technology Center, Inc. (TTCI) and the Federal Railroad Administration (FRA) upgraded and installed new equipment enabling High Accuracy Global Positioning System (...
Keywords: Bolster, side frame, casting, survey, steel
Abstract: Transportation Technology Center, Inc. (TTCI) conducted an industry survey of defective bolsters and side frames removed from service. Scrapped components (approximately 70...
Evaluation of the Federal Railroad Administration’s Autonomous Track Geometry Measurement System Research and Development Program
Keywords: Evaluation, program review, needs assessment, funding, decision making
Abstract: This report evaluates the Autonomous Track Geometry Measurement System (ATGMS). It examines: 1) the extent of ATGMS usage, 2) what railroads think of ATGMS, 3) why ATGMS is not...