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Keywords: Fiber Optic, Broken Rail, Acoustic, Seismic, Rail Break, Wayside Systems
Abstract: This report describes the activities and presents the results of a feasibility study to examine the viability of using fiber-optic acoustic technologies to detect broken rails in...
Keywords: Concrete freeze-thaw durability, concrete railroad ties, ASTM C666
Abstract: Freezing and thawing durability tests of prestressed concrete ties are normally performed according to ASTM C666 specifications. Small specimens are cut from the shoulders of...
Policy and Guidance
Second Interim Statement of Agency Policy and Interpretation on the Hours of Service Laws as Amended in 2008
Keywords: Hours of Service, Interim Interpretations, Signal Employee Exclusivity, Consecutive Days Provision, Commingled Service
Abstract: Hours of Service; Operating Practices; Signal and Train Control
Keywords: Wide-gap weld, thermite, revenue service