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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 26, 2025
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Title 23 - Highways
Chapter I [§ 1.1 - § 973.214] - CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter II [§ 1200.1 - § 1275.9] - CHAPTER II—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION AND FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter III [§ 1300.1 - § 1340.13] - CHAPTER III—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
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