{"data":{"id":"us/49-cfr-236.718","jurisdiction":"us","citation":"49 CFR 236.718","heading":"Chart, dog.","body":"A diagrammatic representation of the mechanical locking of an interlocking machine, used as a working plan in making up, assembling and fitting the locking.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES","Subpart G—Definitions"],"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":"a3a169b750242a9cbee18bab59f720f8e0e226cf6dafd6de868ccb8bb662f847","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.717","next":"us/49-cfr-236.719"},"notice":"GroundRules: Original legal text. Not legal advice."}