{"data":{"id":"us/49-cfr-236.7","jurisdiction":"us","citation":"49 CFR 236.7","heading":"Circuit controller operated by switch-and-lock movement.","body":"Circuit controller operated by switch-and-lock movement shall be maintained so that normally open contacts will remain closed and normally closed contacts will remain open until the switch is locked.","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 A—Rules and Instructions: All Systems"],"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":"4875cb1d11eeccedbb7bb508981efb2cc661dca839dd69e7bed001f280c8b318","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.6","next":"us/49-cfr-236.8"},"notice":"GroundRules: Original legal text. Not legal advice."}