- § 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 Repealed.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 Repealed.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 Repealed.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 Repealed.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
23 U.S. Code Chapter 3 - GENERAL PROVISIONS
2021—Pub. L. 117–58, div. A, title I, §§ 11309(b), 11525(t), 11528(b), Nov. 15, 2021, 135 Stat. 536, 608, 612, added items 331 and 332 and struck out item 325 “State assumption of responsibilities for certain programs and projects”.
2015—Pub. L. 114–94, div. A, title I, § 1309(d), Dec. 4, 2015, 129 Stat. 1397, added item 330.
2012—Pub. L. 112–141, div. A, title I, § 1519(c)(1)(C), July 6, 2012, 126 Stat. 575, struck out items 303 “Management systems” and 309 “Cooperation with other American Republics”.
Pub. L. 112–141, div. A, title I, § 1313(i), July 6, 2012, 126 Stat. 547, which directed amendment of item 327 in the analysis of title 23, United States Code, by substituting “Surface transportation project delivery program” for “Surface transportation project delivery pilot program”, was executed to the analysis for this chapter, to reflect the probable intent of Congress.
2005—Pub. L. 109–59, title I, §§ 1901(b), 1903(b), title VI, §§ 6003(b), 6004(b), 6005(b), 6006(c), Aug. 10, 2005, 119 Stat. 1464, 1465, 1867, 1868, 1872, 1873, added items 313, 321, and 325 to 329.
1998—Pub. L. 105–178, title I, §§ 1212(a)(2)(B)(i), 1218(b), 1301(d)(3), title V, § 5119(c), June 9, 1998, 112 Stat. 193, 219, 226, 452, substituted “State transportation department” for “State highway department” in item 302, struck out items 307 “Research and planning” and 321 “National Highway Institute”, added item 322, substituted “Donations and credits” for “Donations” in item 323, and struck out items 325 “International highway transportation outreach program” and 326 “Education and training program”.
1991—Pub. L. 102–240, title I, § 1034(b), title VI, §§ 6003(b), 6004(b), Dec. 18, 1991, 105 Stat. 1978, 2168, 2169, added items 303, 325, and 326.
1987—Pub. L. 100–17, title I, § 133(e)(1), Apr. 2, 1987, 101 Stat. 173, struck out item 322 “Demonstration project—rail crossings”.
1983—Pub. L. 97–449, § 5(d)(2), Jan. 12, 1983, 96 Stat. 2442, struck out item 303 “Bureau organization”.
1973—Pub. L. 93–87, title I, §§ 145(b), 162(b), Aug. 13, 1973, 87 Stat. 273, 280, added items 323 and 324.
1970—Pub. L. 91–605, title I, § 115(b), title II, § 205(b), Dec. 31, 1970, 84 Stat. 1723, 1743, added items 321 and 322.
1966—Pub. L. 89–564, title I, § 102(b)(2), Sept. 9, 1966, 80 Stat. 735, struck out item 313 relating to Highway Safety Conference.
1965—Pub. L. 89–285, title III, § 301(b), Oct. 22, 1965, 79 Stat. 1032, inserted “and scenic enhancement” after “Landscaping” in item 319.