List of Interstate Highways in Florida
| Interstate Highways of the Florida State Highway System | |
|---|---|
Markers in use for Interstate Highways in Florida | |
Interstate Highways highlighted in red | |
| System information | |
| Length | 1,494.87 mi (2,405.76 km) |
| Formed | June 29, 1956 |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Highway X (US X) |
| State | State Road X (SR X) |
| System links | |
The Interstate Highways in the state of Florida are owned and maintained by the Florida Department of Transportation (FDOT). There are four primary interstate highways and eight auxiliary highways, with a ninth proposed, totaling 1,497.58 miles (2,410.12 km) interstate miles in Florida. The longest interstate is I-75, extending 470.678 miles (757.483 km), and the shortest is I-395, extending just 1.292 miles (2.079 km).