Keywords: Strain gauge, calibration, tie reaction force, tie support condition, Differential Shear Strain, DSS, track, wheel load, railroad
Keywords: Centralized interlocking, CIXL, Quasi-Moving Block, QMB, Full Moving Block, FMB, Interoperable Train Control, ITC, Positive Train Control, PTC, Communications-Based Train Control, CBTC, train control
Keywords: Rolling contact fatigue, RCF, rolling contact fatigue simulator, RCFS, high-impact wheel, HIW, wheel and rail defects, wheel and rail forces
Keywords: Prestressed concrete railroad ties, crossties, fracture toughness, longitudinal splitting cracks, crack resistance, splitting resistance
Policy and Guidance
Keywords: Part 219; Drug and Alcohol testing
Abstract: Summary of information to comply with Federal drug and alcohol testing.
Summary of information to comply with Federal drug and alcohol testing.