{"data":{"id":"us/49-cfr-236.738","jurisdiction":"us","citation":"49 CFR 236.738","heading":"Detector, point.","body":"A circuit controller which is part of the switch operating mechanism and operated by a rod connected to a switch, derail or movable point frog to indicate that the point is within a specified distance of the stock rail.","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":"3ee17edeb1230466db34afa0468fa53945445ce328bc7bdf30b81e452641912d","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.737","next":"us/49-cfr-236.739"},"notice":"GroundRules: Original legal text. Not legal advice."}