Interstate 74
| I-74 highlighted in red | |
| Route information | |
| Length | 541.62 mi (871.65 km) As of June 27, 2023 | 
| NHS | Entire route | 
| Western segment | |
| Length | 416.71 mi (670.63 km) | 
| West end | I-80 in Davenport, IA | 
| Major intersections | 
 | 
| East end | I-75 / US 52 in Cincinnati, OH | 
| Eastern segment | |
| Length | 124.91 mi (201.02 km) | 
| West end | I-77 at the Virginia state line near Pine Ridge, NC | 
| Major intersections | 
 | 
| East end | US 74 / NC 41 near Lumberton, NC | 
| Location | |
| Country | United States | 
| States | Iowa, Illinois, Indiana, Ohio, North Carolina | 
| Highway system | |
Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa; the eastern end of its Midwest segment is at an interchange with I-75 in Cincinnati, Ohio. The major cities that I-74 connects to include Davenport, Iowa; Peoria, Bloomington, and Champaign, Illinois; Indianapolis, Indiana; and Cincinnati, Ohio. I-74 also exists as several disconnected sections of highways in North Carolina.