23 C.F.R. PART 470--HIGHWAY SYSTEMS
TITLE 23--Highways
CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER E--PLANNING AND RESEARCH
PART 470--HIGHWAY SYSTEMS
Subpart A--FEDERAL-AID HIGHWAY SYSTEMS
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Urban area boundaries and highway functional classification.
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Federal-aid highway systems.
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System procedures--General.
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Interstate System procedures.
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National Highway System procedures.
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Appendix C to Subpart A of Part 470--Policy for the Signing and Numbering of Future Interstate Corridors Designated by Section 332 of the NHS Designation Act of 1995 or Designated Under
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Subparts B-C--[RESERVED]