---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chI/subchK"
level: "subchap"
label: "Subchapter K"
heading: "Intelligent Transportation Systems"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chI-subchK"
sections_count: 12
---

# Subchapter K — Intelligent Transportation Systems

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

## Contents

- [Part 940 — Intelligent Transportation System Architecture and Standards](/cfr/23/chI-subchK-part940.md)
- [Part 950 — Electronic Toll Collection](/cfr/23/chI-subchK-part950.md)