---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chI/subchE/part420"
level: "part"
label: "Part 420"
heading: "Planning and Research Program Administration"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chI-subchE-part420"
sections_count: 16
---

# Part 420 — Planning and Research Program Administration

Title 23 C.F.R. — Highways › Chapter I — Federal Highway Administration, Department of Transportation › Subchapter E — Planning and Research

## Contents

- [Subpart A — Administration of FHWA Planning and Research Funds](/cfr/23/chI-subchE-part420-subpartA.md)
- [Subpart B — Research, Development and Technology Transfer Program Management](/cfr/23/chI-subchE-part420-subpartB.md)