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1985 Track Survey: National Railroad Passenger Corporation (Amtrak)
From September through December 1984, the FRA conducted an intensive survey of all mainline track utilized by Amtrak (see fig. 1). Three automated track geometry railcars -- the latest in railroad state-of-the-art inspection technology -- measured track gage, cross level, wrap, profile, alignment...Systems for Telephonic Notification of Unsafe Conditions at Highway-Rail and Pathway Grade Crossings [Amendment]
NOTE: Please refer to the full rule text published on June 12, 2012