Sections
- Federal-aid Highways
- Chapter 2 - Other Highways
- Chapter 3 - General Provisions
- Chapter 4 - Highway Safety
- Chapter 5 - Research and Technology
23 USC Chapter 4 (23 US CODE Chapter 4) - Highway Safety
23 USC 409 - Sec. 409. Discovery and admission as evidence of certain reports and surveys
23 USC 410 - Sec. 410. Alcohol-impaired driving countermeasures
23 USC 411 - Sec. 411. State highway safety data improvements
23 USC 401 - Sec. 401. Authority of the Secretary
23 USC 402 - Sec. 402. Highway safety programs
23 USC 403 - Sec. 403. Highway safety research and development
23 USC 404 - Sec. 404. National Highway Safety Advisory Committee
23 USC 405 - Sec. 405. Occupant protection incentive grants
23 USC 406 - Sec. 406. School bus driver training

