U.S. Code > Title 23 U.S. Code > Title 23 – Highways Current as of: 2024 | Check for updates | Other versions Chapter 1 Federal-Aid Highways Chapter 2 Other Highways Chapter 3 General Provisions Chapter 4 Highway Safety Chapter 5 Research, Technology, and Education Chapter 6 Infrastructure Finance Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights.