{"data":{"id":"us/49-cfr-236.376","jurisdiction":"us","citation":"49 CFR 236.376","heading":"Mechanical locking.","body":"Mechanical locking in interlocking machine shall be tested when new locking is installed; and thereafter when change in locking is made, or locking becomes disarranged, or tested at least once every two years, whichever shall occur first.","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":"d4deb2ffb456fc6517a173e2c3e867b0a403d27a23e343a227053baf66b069f9","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.342","next":"us/49-cfr-236.377"},"notice":"GroundRules: Original legal text. Not legal advice."}