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2013-03-13; vol. 78 # 49 - Wednesday, March 13, 2013
78 FR 16052 - Vehicle/Track Interaction Safety Standards; High-Speed and High Cant Deficiency Operations
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DEPARTMENT OF TRANSPORTATION, Federal Railroad Administration
This final rule is effective July 11, 2013. The incorporation by reference of a certain publication listed in the rule is approved by the Director of the Federal Register as of July 11, 2013. Petitions for reconsideration must be received on or before May 13, 2013. Comments in response to petitions for reconsideration must be received on or before June 26, 2013.
49 CFR Parts 213 and 238
FRA is amending the Track Safety Standards and Passenger Equipment Safety Standards to promote the safe interaction of rail vehicles with the track over which they operate under a variety of conditions at speeds up to 220 m.p.h. The final rule revises standards for track geometry and safety limits for vehicle response to track conditions, enhances vehicle/track qualification procedures, and adds flexibility for permitting high cant deficiency train operations through curves at conventional speeds. The rule accounts for a range of vehicle types that are currently in operation, as well as vehicle types that may likely be used in future high-speed or high cant deficiency rail operations, or both. The rule is based on the results of simulation studies designed to identify track geometry irregularities associated with unsafe wheel/rail forces and accelerations, thorough reviews of vehicle qualification and revenue service test data, and consideration of international practices.