23 CFR Part 470 — Highway Systems

Subpart A — Federal-aid Highway Systems

• § 470.101— Purpose.
• § 470.103— Definitions.
• § 470.105— Urban area boundaries and highway functional classification.
• § 470.107— Federal-aid highway systems.
• § 470.109— System procedures—General.
• § 470.111— Interstate System procedures.
• § 470.113— National Highway System procedures.
• § 470.115— Approval authority.