---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chI/subchF"
level: "subchap"
label: "Subchapter F"
heading: "Transportation Infrastructure Management"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chI-subchF"
sections_count: 18
---

# Subchapter F — Transportation Infrastructure Management

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

## Contents

- [Part 500 — Part 500 [reserved]](/cfr/23/chI-subchF-part500.md)
- [Part 505 — Part 505 [reserved]](/cfr/23/chI-subchF-part505.md)
- [Part 511 — Real-Time System Management Information Program](/cfr/23/chI-subchF-part511.md)
- [Part 515 — Asset Management Plans](/cfr/23/chI-subchF-part515.md)