Interstate 4 (abbreviate I-4) is a 132.30-mile (212.91 km) intrastate Interstate Highway located entirely within the state of Florida, United States. It goes from Interstate 275 in Tampa, Florida (27.965° N 82.453° W) to Interstate 95 at Daytona Beach, Florida (29.155° N 81.076° W). It also has the Florida Department of Transportation designation of State Road 400, but only a small portion of the route is signed at the east end.