---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chI/subchA/part1"
level: "part"
label: "Part 1"
heading: "General"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chI-subchA-part1"
sections_count: 15
---

# Part 1 — General

Title 23 C.F.R. — Highways › Chapter I — Federal Highway Administration, Department of Transportation › Subchapter A — General Management and Administration

## Sections

- [§1.1. Purpose.](/cfr/23/1.1.md)
- [§1.2. Definitions.](/cfr/23/1.2.md)
- [§1.3. Federal-State cooperation; authority of State highway departments.](/cfr/23/1.3.md)
- [§1.5. Information furnished by State highway departments.](/cfr/23/1.5.md)
- [§1.7. Urban area boundaries.](/cfr/23/1.7.md)
- [§1.8. Reserved](/cfr/23/1.8.md)
- [§1.9. Limitation on Federal participation.](/cfr/23/1.9.md)
- [§1.11. Engineering services.](/cfr/23/1.11.md)
- [§1.23. Rights-of-way.](/cfr/23/1.23.md)
- [§1.27. Maintenance.](/cfr/23/1.27.md)
- [§1.28. Reserved](/cfr/23/1.28.md)
- [§1.32. Issuance of directives.](/cfr/23/1.32.md)
- [§1.33. Conflicts of interest.](/cfr/23/1.33.md)
- [§1.35. Bonus program.](/cfr/23/1.35.md)
- [§1.36. Compliance with Federal laws and regulations.](/cfr/23/1.36.md)