By Edgar Fischmeister, Markus Ossberger, Roman Pongracz and Paul Mittermayr • April, 2007 Measurement is an essential aspect of optimizing wheel/rail interaction on urban transit systems. After extensive research and development work, Wiener Linien, the Vienna (Austria) Urban Transit System, implemented an integrated wheel/rail measurement system that enabled the railway to closely monitor …
By B. McGuire, R. Sarunac, R. B. Wiley and P. Klauser • April, 2007 The use of vehicle performance detectors is steadily growing on North American freight and high-speed passenger railways. With the installation of a Wayside Wheel/Rail Load Detector (WRLD) on the Washington Metropolitan Area Transit Authority (WMATA), the trend …
By Bob Tuzik • May 26, 2005 The Federal Railroad Administration’s Office of Research and Development is not the best known R&D organization in the industry, but it is one of the most important. It’s work figures prominently in rulemaking and the regulatory process for the industry. That role is …
by Bob Tuzik, December 1, 2004 As part of its effort to monitor dynamic vehicle/track interaction on the Northeast Corridor, Amtrak commissioned ENSCO, Inc., to develop a Wayside Train/Track Interaction Detection System. The goal was to measure and collect information on vehicle/track forces that would enable Amtrak to determine the causes of …