---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chI/subchG/part625"
level: "part"
label: "Part 625"
heading: "Design Standards for Highways"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chI-subchG-part625"
sections_count: 4
---

# Part 625 — Design Standards for Highways

Title 23 C.F.R. — Highways › Chapter I — Federal Highway Administration, Department of Transportation › Subchapter G — Engineering and Traffic Operations

## Sections

- [§625.1. Purpose.](/cfr/23/625.1.md)
- [§625.2. Policy.](/cfr/23/625.2.md)
- [§625.3. Application.](/cfr/23/625.3.md)
- [§625.4. Standards, policies, and standard specifications.](/cfr/23/625.4.md)