{"data":{"id":"us/49-cfr-236.762","jurisdiction":"us","citation":"49 CFR 236.762","heading":"Locking, indication.","body":"Electric locking which prevents manipulation of levers that would result in an unsafe condition for a train movement if a signal, switch, or other operative unit fails to make a movement corresponding to that of its controlling lever, or which directly prevents the operation of a signal, switch, or other operative unit, in case another unit which should operate first fails to make the required movement.","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":"11eddd2beef67440ea53b264fddf7d4af99aac921d6b23d456ecd19d7c463cee","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.761","next":"us/49-cfr-236.763"},"notice":"GroundRules: Original legal text. Not legal advice."}