United States Code/Title 23/Chapter 3


 * § 301. Freedom from tolls
 * § 302. State transportation department
 * [§ 303. Repealed. Pub. L. 112–141, div. A, title I, § 1519(b)(1)(A), July 6, 2012, 126 Stat. 575]
 * § 304. Participation by small business enterprises
 * § 305. Archeological and paleontological salvage
 * § 306. Mapping
 * [§ 307. Repealed. Pub. L. 105–178, title V, § 5119(b), June 9, 1998, 112 Stat. 452]
 * § 308. Cooperation with Federal and State agencies and foreign countries
 * [§ 309. Repealed. Pub. L. 112–141, div. A, title I, § 1519(b)(1)(A), July 6, 2012, 126 Stat. 575]
 * § 310. Civil defense
 * § 311. Highway improvements strategically important to the national defense
 * § 312. Detail of Army, Navy, and Air Force officers
 * § 313. Buy America
 * § 314. Relief of employees in hazardous work
 * § 315. Rules, regulations, and recommendations
 * § 316. Consent by United States to conveyance of property
 * § 317. Appropriation for highway purposes of lands or interests in lands owned by the United States
 * § 318. Highway relocation due to airport
 * § 319. Landscaping and scenic enhancement
 * § 320. Bridges on Federal dams
 * § 321. Signs identifying funding sources
 * § 322. Magnetic levitation transportation technology deployment program
 * § 323. Donations and credits
 * § 324. Prohibition of discrimination on the basis of sex
 * [§ 325. Repealed. Pub. L. 117–58, div. A, title I, § 11525(r), Nov. 15, 2021, 135 Stat. 608]
 * § 326. State assumption of responsibility for categorical exclusions
 * § 327. Surface transportation project delivery program
 * § 328. Eligibility for environmental restoration and pollution abatement
 * § 329. Eligibility for control of noxious weeds and aquatic noxious weeds and establishment of native species
 * § 330. Program for eliminating duplication of environmental reviews
 * § 331. Evaluation of projects within an operational right-of-way
 * § 332. Pollinator-friendly practices on roadsides and highway rights-of-way