---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "ch3"
level: "chapter"
label: "Chapter 3"
heading: "General Provisions"
release: "119-102"
url: "https://uscodex.org/usc/23/ch3"
sections_count: 32
---

# Chapter 3 — General Provisions

Title 23 — Highways

## Sections

- [§301. Freedom from tolls](/usc/23/301.md)
- [§302. State transportation department](/usc/23/302.md)
- [§303. Repealed.](/usc/23/303.md)
- [§304. Participation by small business enterprises](/usc/23/304.md)
- [§305. Archeological and paleontological salvage](/usc/23/305.md)
- [§306. Mapping](/usc/23/306.md)
- [§307. Repealed.](/usc/23/307.md)
- [§308. Cooperation with Federal and State agencies and foreign countries](/usc/23/308.md)
- [§309. Repealed.](/usc/23/309.md)
- [§310. Civil defense](/usc/23/310.md)
- [§311. Highway improvements strategically important to the national defense](/usc/23/311.md)
- [§312. Detail of Army, Navy, and Air Force officers](/usc/23/312.md)
- [§313. Buy America](/usc/23/313.md)
- [§314. Relief of employees in hazardous work](/usc/23/314.md)
- [§315. Rules, regulations, and recommendations](/usc/23/315.md)
- [§316. Consent by United States to conveyance of property](/usc/23/316.md)
- [§317. Appropriation for highway purposes of lands or interests in lands owned by the United States](/usc/23/317.md)
- [§318. Highway relocation due to airport](/usc/23/318.md)
- [§319. Landscaping and scenic enhancement](/usc/23/319.md)
- [§320. Bridges on Federal dams](/usc/23/320.md)
- [§321. Signs identifying funding sources](/usc/23/321.md)
- [§322. Magnetic levitation transportation technology deployment program](/usc/23/322.md)
- [§323. Donations and credits](/usc/23/323.md)
- [§324. Prohibition of discrimination on the basis of sex](/usc/23/324.md)
- [§325. Repealed.](/usc/23/325.md)
- [§326. State assumption of responsibility for categorical exclusions](/usc/23/326.md)
- [§327. Surface transportation project delivery program](/usc/23/327.md)
- [§328. Eligibility for environmental restoration and pollution abatement](/usc/23/328.md)
- [§329. Eligibility for control of noxious weeds and aquatic noxious weeds and establishment of native species](/usc/23/329.md)
- [§330. Program for eliminating duplication of environmental reviews](/usc/23/330.md)
- [§331. Evaluation of projects within an operational right-of-way](/usc/23/331.md)
- [§332. Pollinator-friendly practices on roadsides and highway rights-of-way](/usc/23/332.md)