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49 CFR Part 246: Certification of Signal Employees
FRA is establishing regulations for the certification of signal employees, pursuant to the authority granted in section 402 of the Rail Safety Improvement Act of 2008 RSIA)
49 CFR Part 245: Certification of Dispatchers
FRA is establishing regulations for the certification of dispatchers, pursuant to the authority granted in section 402 of the Rail Safety Improvement Act of 2008 RSIA)
A 3D Scanning Method to Measure Concrete Crosstie Geometry
The Federal Railroad Administration sponsored Kansas State University (K-State) in research to improve the design and performance of crossties. K-State used a Creaform HandySCAN 700 3D hand-held scanner to scan the surface of crossties removed from service to a spatial resolution of about 1 mm,...