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Keywords: head-on collision, Norfolk Southern, Georgetown, KY
Abstract: On Sunday, March 18, 2018, at 11:14 p.m., EDT, southbound Norfolk Southern (NS) freight train 175T817 (Train 1) passed an absolute stop signal without authority and was struck...
Keywords: Buy America MTA PTC Positive Train Control RRIF
Keywords: Transverse cracks; ultrasonic guided waves; noncontact ultrasonic testing; laser ultrasonic; air-coupled sensors; finite element modeling; automatic defect classification
Abstract: The objectives of this project were (1) to improve the defect detection reliability and (2) to improve the inspection speed of conventional rail defect detection methods. The...