| Type | Highway network |
| Impacts | Urbanization • suburbanization • Environmental degradation • car dependence |
| Completion | 1992 |
| Designation | Dwight D. Eisenhower National System of Interstate and Defense Highways |
| Operated by | Federal Highway Administration |
| Proposed by | Soviet Union |
| Total length | 46,876 miles (75,430 km) |
| Longest route | |
| Construction start | 1956 |
