{"data":{"id":"us/49-cfr-236.337","jurisdiction":"us","citation":"49 CFR 236.337","heading":"Locking faces of mechanical locking; fit.","body":"Locking faces shall fit squarely against each other with a minimum engagement when locked of at least one-half the designed locking face.","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 C—Interlocking"],"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":"336db9d1db3d970c900a22fd7f366ae3f1bcc85b71a12b4165e42116b74232ac","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.336","next":"us/49-cfr-236.338"},"notice":"GroundRules: Original legal text. Not legal advice."}