{"data":{"id":"us/49-cfr-221.11","jurisdiction":"us","citation":"49 CFR 221.11","heading":"State regulation.","body":"Notwithstanding the provisions of this part, a State may continue in force any law, rule, regulation, order, or standard that was in effect on July 8, 1976, relating to lighted marking devices on the rear car of freight trains except to the extent that such law, rule, regulation, order, or standard would cause such cars to be in violation of this part.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 221—REAR END MARKING DEVICE—PASSENGER, COMMUTER AND FREIGHT TRAINS","Subpart A—General"],"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":"a100942180a98b33fc16ea6e0e6c7cddb12d4bf853a6ee83307cdce3486b84f7","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-221.9","next":"us/49-cfr-221.13"},"notice":"GroundRules: Original legal text. Not legal advice."}