---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chI/subchB/part172"
level: "part"
label: "Part 172"
heading: "Procurement, Management, and Administration of Engineering and Design Related Services"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chI-subchB-part172"
sections_count: 6
---

# Part 172 — Procurement, Management, and Administration of Engineering and Design Related Services

Title 23 C.F.R. — Highways › Chapter I — Federal Highway Administration, Department of Transportation › Subchapter B — Payment Procedures

## Sections

- [§172.1. Purpose and applicability.](/cfr/23/172.1.md)
- [§172.3. Definitions.](/cfr/23/172.3.md)
- [§172.5. Program management and oversight.](/cfr/23/172.5.md)
- [§172.7. Procurement methods and procedures.](/cfr/23/172.7.md)
- [§172.9. Contracts and administration.](/cfr/23/172.9.md)
- [§172.11. Allowable costs and oversight.](/cfr/23/172.11.md)