C.F.R. » Title 23 » CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER E—PLANNING AND RESEARCH › PART 470—HIGHWAY SYSTEMS › Subpart A—Federal-aid Highway Systems

23 C.F.R. § 470.101

Purpose

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This part sets forth policies and procedures relating to the identification of Federal-aid highways, the functional classification of roads and streets, the designation of urban area boundaries, and the designation of routes on the Federal-aid highway systems.