{"data":{"id":"us/49-cfr-236.512","jurisdiction":"us","citation":"49 CFR 236.512","heading":"Cab signal indication when locomotive enters block where restrictive conditions obtain.","body":"The automatic cab signal system shall be arranged so that when a locomotive enters or is within a block, wherein any condition described in § 236.205 obtains, the cab signals shall indicate “Proceed at Restricted Speed.”","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 E—Automatic Train Stop, Train Control and Cab Signal 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":"195f605b717d03b329a212ae128a59c7fc304ebfa157e259a75a8e010c1f6f1e","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.511","next":"us/49-cfr-236.513"},"notice":"GroundRules: Original legal text. Not legal advice."}