| Title | Date | Number |
| Federal-Aid Highway Act 1938 | June 8, 1938 | 52 Stat 633 |
| Defense Highway Act 1941 | Nov. 19, 1941 | 55 Stat 765 |
| Inter-American Highway Act 1941 | Dec. 26, 1941 | 55 Stat 860 |
| Defense Highway Act Amendment 1942 | July 2, 1942 | 56 Stat 562 |
| Federal-Aid Highway Amendment 1943 | July 13, 1943 | 57 Stat 560 |
| Federal-Aid Highway Act 1944 | Dec. 20, 1944 | 58 Stat 838 |
| Federal-Aid Highway Amendment 1945 | July 31, 1945 | 59 Stat 507 |
| Philippine Rehabilitation Act 1946 | Apr. 30, 1946 | 60 Stat 128 |
| Federal-Aid Highway Amendment 1946 | July 29, 1946 | 60 Stat 709 |
| Federal-Aid Highway Amendment 1947 | June 21, 1947 | 61 Stat 136 |
| Federal-Aid Highway Act 1948 | June 29, 1948 | 62 Stat 1105 |
| Federal-Aid Highway Act 1950 | Sept. 7, 1950 | 64 Stat 785 |
| Budget and Accounting Procedures Act | Sept. 12, 1950 | 64 Stat 832 |
| Federal-Aid Highway Act 1952 | June 25, 1952 | 66 Stat 158 |
| Departments of State, Justice and Commerce Appropriation Act 1954 | Aug. 5, 1953 | 67 Stat 367 |
| Federal-Aid Highway Act 1954 | May 6, 1954 | 68 Stat 70 |
| Department of Commerce and Related Agencies Appropriation Act 1956 | June 30, 1955 | 69 Stat 226 |
| Inter-American Highway Appropriation Act | July 1, 1955 | 69 Stat 244 |
| Supplemental Appropriation Act 1956 | Aug. 4, 1955 | 69 Stat 450 |
| Federal-Aid Highway Act of 1956 | June 29, 1956 | 70 Stat 374 |
| Highway Revenue Act of 1956 | June 29, 1956 | 70 Stat 387 |
| Federal-Aid Highway Act of 1958 | Aug. 7, 1958 | 72 Stat 389 |
| Alaska Statehood Act | Apr. 16, 1958 | 72 Stat 89 |
| Alaska Omnibus Act | June 25, 1959 | 73 Stat 141 |
| Federal-Aid Highway Act 1959 | Sept. 21, 1959 | 73 Stat 611 |
| Mutual Security Appropriation Act 1960 | Sept. 28, 1959 | 73 Stat 717 |
| Federal-Aid Highway Act 1960 | July 14, 1960 | 74 Stat 522 |
| National Driver Register Service Act | Aug. 14, 1960 | 74 Stat 526 |
| Federal-Aid Highway Act 1961 | June 29, 1961 | 75 Stat 122 |
| Federal-Aid Highway Act 1962 | Oct. 23, 1962 | 76 Stat 1145 |
| Federal-Aid Highway Amendments Act 1963 | Oct. 24, 1963 | 77 Stat 276 |
| Urban Mass Transportation Act 1964 | July 9, 1964 | 78 Stat 302 |
| Federal-Aid Highway Act 1964 | Aug. 13, 1964 | 78 Stat 397 |
| Government Employees Salary Reform Act of 1964 | Aug. 14, 1964 | 78 Stat 400 |
| Federal-Aid Highway Act of 1956 Amendments 1965 | Aug. 28, 1965 | 79 Stat 578 |
| Highway Beautiflcation Act of 1965 | Oct. 22, 1965 | 79 Stat 1028 |
| National Traffic and Motor Vehicle Safety Act 1966 | Sept. 9, 1966 | 80 Stat 718 |
| Highway Safety Act 1966 | Sept. 9, 1966 | 80 Stat 731 |
| Federal-Aid Highway Act 1966 | Sept. 13, 1966 | 80 Stat 766 |
| Historic Preservation Act 1966 | Oct. 15, 1966 | 80 Stat 915 |
| Department of Transportation Act 1966 | Oct. 15, 1966 | 80 Stat 931 |
| Highway Interstate Systems Modification Act 1968 | Jan. 2, 1968 | 81 Stat 772 |
| Federal-Aid Highway Act 1968 | Aug. 23, 1968 | 82 Stat 815 |
| National Environmental Policy Act 1969 | Jan. 1, 1970 | 83 Stat 852 |
| Clean Air Amendments of 1970 | Dec. 31, 1970 | 84 Stat 1676 |
| Federal-Aid Highway Act 1970 | Dec. 31, 1970 | 84 Stat 1713 |
| Highway Safety Act 1970 | Dec. 31, 1970 | 84 Stat 1739 |
| Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970 | Jan. 2, 1971 | 84 Stat 1894 |
| Noise Control Act of 1972 | Oct. 27, 1972 | 86 Stat 1234 |
| Federal-Aid Highway Act 1973 | Aug. 13, 1973 | 87 Stat 250 |
| Emergency Highway Energy Conservation Act 1974 | Jan. 2, 1974 | 87 Stat 1046 |
| National Mass Transportation Assistance Act 1974 | Nov. 26, 1974 | 88 Stat 1565 |
| Federal-Aid Highway Amendments of 1974 | Jan. 4, 1975 | 88 Stat 2281 |
| Federal-Aid Highway Act of 1976 | May 5, 1976 | 90 Stat 425 |
547
