Front Matter
*Title 1—General Provisions
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Title 2—The Congress
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*Title 3—The President
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*Title 4—Flag And Seal, Seat Of Government, And The States
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*Title 5—Government Organization And Employees; and Appendix
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Title 6—Domestic Security
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Title 7—Agriculture
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Title 8—Aliens And Nationality
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*Title 9—Arbitration
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*Title 10—Armed Forces
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*Title 11—Bankruptcy; and Appendix
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Title 12—Banks And Banking
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*Title 13—Census
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*Title 14—Coast Guard
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Title 15—Commerce And Trade
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Title 16—Conservation
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*Title 17—Copyrights
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*Title 18—Crimes And Criminal Procedure; and Appendix
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Title 19—Customs Duties
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Title 20—Education
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Title 21—Food And Drugs
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Title 22—Foreign Relations And Intercourse
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*Title 23—Highways
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TITLE 23—Front Matter
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CHAPTER 1—FEDERAL-AID HIGHWAYS (sections 101 to 190)
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CHAPTER 2—OTHER HIGHWAYS (sections 201 to 219)
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CHAPTER 3—GENERAL PROVISIONS (sections 301 to 332)
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CHAPTER 4—HIGHWAY SAFETY (sections 401 to 412)
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CHAPTER 5—RESEARCH, TECHNOLOGY, AND EDUCATION (sections 501 to 520)
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CHAPTER 5—Front Matter
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Sec. 501. Definitions
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Sec. 502. Surface transportation research, development, and technology
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Sec. 503. Research and technology development and deployment
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Sec. 504. Training and education
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Sec. 505. State planning and research
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Secs. 506, 507. Repealed. Pub. L. 112-141, div. E, title II, §§52006(a), 52007(a), July 6, 2012, 126 Stat. 882
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Sec. 508. Repealed. Pub. L. 114-94, div. A, title VI, §6019(d)(1)(A), Dec. 4, 2015, 129 Stat. 1581
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Sec. 509. Repealed. Pub. L. 112-141, div. E, title II, §52008(a), July 6, 2012, 126 Stat. 882
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Sec. 510. Future strategic highway research program
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Sec. 511. Multistate corridor operations and management
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Sec. 512. National ITS program plan
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Sec. 513. Use of funds for ITS activities
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Sec. 514. Goals and purposes
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Sec. 515. General authorities and requirements
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Sec. 516. Research and development
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Sec. 517. National architecture and standards
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Sec. 518. Vehicle-to-vehicle and vehicle-to-infrastructure communications systems deployment
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Sec. 519. Infrastructure development
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Sec. 520. Transportation Resilience and Adaptation Centers of Excellence
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CHAPTER 6—INFRASTRUCTURE FINANCE (sections 601 to 611)
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Title 24—Hospitals And Asylums
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Title 25—Indians
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Title 26—Internal Revenue Code
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Title 27—Intoxicating Liquors
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*Title 28—Judiciary And Judicial Procedure; and Appendix
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Title 29—Labor
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Title 30—Mineral Lands And Mining
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*Title 31—Money And Finance
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*Title 32—National Guard
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Title 33—Navigation And Navigable Waters
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Title 34—Crime Control And Law Enforcement
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*Title 35—Patents
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*Title 36—Patriotic And National Observances, Ceremonies, And Organizations
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*Title 37—Pay And Allowances Of The Uniformed Services
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*Title 38—Veterans' Benefits
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*Title 39—Postal Service
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*Title 40—Public Buildings, Property, And Works
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*Title 41—Public Contracts
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Title 42—The Public Health And Welfare
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Title 43—Public Lands
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*Title 44—Public Printing And Documents
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Title 45—Railroads
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*Title 46—Shipping
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Title 47—Telecommunications
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Title 48—Territories And Insular Possessions
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*Title 49—Transportation
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Title 50—War And National Defense; and Appendix
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*Title 51—National And Commercial Space Programs
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Title 52—Voting And Elections
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Title 53—[Reserved]
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*Title 54—National Park Service And Related Programs
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 Popular Names and Tables
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