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Keywords: Ride Quality, Ride Comfort, ISO 2631, Acceleration, Safety, GPS, Maintenance, Track, Vehicle, Vehicle-Track Interaction, Portable
Keywords: Rail Flaw Library of Associated Defects, transverse defect, ultrasonic testing
Keywords: Portable track loading fixture (PTLF), gage restraint measurement system (GRMS), track strength
Keywords: WSDOT, Vossloh, Concrete Tie Components