{"data":{"id":"us/49-cfr-236.745","jurisdiction":"us","citation":"49 CFR 236.745","heading":"Face, locking.","body":"The locking surface of a locking dog, tappet or cross locking of an interlocking machine.","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":"2c828d7ff252a2193fbacee863f81a4dcbdd4ca2669741faf64f0b23c96fabd3","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.744","next":"us/49-cfr-236.746"},"notice":"GroundRules: Original legal text. Not legal advice."}