{"data":{"id":"us/49-cfr-299.707","jurisdiction":"us","citation":"49 CFR 299.707","heading":"Maintenance intervals.","body":"(a) The initial scheduled maintenance intervals shall be based on those in effect on the Tokaido Shinkansen system as required under § 299.13(c)(1).\n(b) The maintenance interval of safety-critical components shall be changed only when justified by accumulated, verifiable operating data, and approved by FRA under paragraph § 299.713.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 299—TEXAS CENTRAL RAILROAD HIGH-SPEED RAIL SAFETY STANDARDS","Subpart G—Inspection, Testing, and Maintenance Program"],"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":"58ae0be44e4b1e34aee444c92199d8311751aa9dee317d968646e8205f3a57d3","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-299.705","next":"us/49-cfr-299.709"},"notice":"GroundRules: Original legal text. Not legal advice."}