{"data":{"id":"us/49-cfr-appendix-b-to-part-220","jurisdiction":"us","citation":"49 CFR Appendix B to Part 220","heading":"Appendix B to Part 220—Recommended Pronunciation of Numerals","body":"To distinguish numbers from similar sounding words, the word “figures”should be used preceding such numbers. Numbers should be pronounced as follows:\nNumber Spoken\n0 ZERO.\n1 WUN.\n2 TOO.\n3 THUH-REE-.\n4 FO-WER.\n5 FI-YIV.\n6 SIX.\n7 SEVEN.\n8 ATE.\n9 NINER.\n(The figure ZERO should be written as “0” to distinguish it from the letter “O”. The figure ONE should be underlined to distinguish it from the letter “I”. When railroad rules require that numbers be spelled, these principles do not apply.)\nThe following examples illustrate the recommended pronunciation of numerals:\nNumber Spoken\n44 FO-WER FO-WER.\n500 FI-YIV HUNDRED.\n1000 WUN THOUSAND.\n1600 WUN SIX HUNDRED.\n14899 WUN FO-WER ATE NINER NINER.\n20.3 TOO ZERO DECIMAL THUH-REE.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 220—RAILROAD COMMUNICATIONS"],"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":"5d7ab6d8d43b637a179e99a7d11041146b9cbcb81d03098056c539bef429a538","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-appendix-a-to-part-220","next":"us/49-cfr-221.1"},"notice":"GroundRules: Original legal text. Not legal advice."}