{"data":{"id":"us/49-cfr-213.51","jurisdiction":"us","citation":"49 CFR 213.51","heading":"Scope.","body":"This subpart prescribes requirements for the gage, alinement, and surface of track, and the elevation of outer rails and speed limitations for curved track.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 213—TRACK SAFETY STANDARDS","Subpart C—Track Geometry"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"e991a7d4a44a0e83fa4eb834dad4e95fd140da6a43733167582546bb66540476","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-213.37","next":"us/49-cfr-213.53"},"notice":"GroundRules: Original legal text. Not legal advice."}