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 [1]  (2,405.76 km)
Formed	June 29, 1956 (1956-06-29) [2]
Highway names
Interstates	Interstate X (I-X)
US Highways	U.S. Highway X (US X)
State	State Road X (SR X)
System links
Florida State Highway System Interstate US State Former Pre‑1945 Toll Scenic

The Interstate Highways in the state of Florida are owned and maintained by the Florida Department of Transportation (FDOT). ^[3] 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). ^[4]

Primary Interstates

Number	Length (mi) [4]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-4	132.298	212.913	I-275 in Tampa	I-95 in Daytona Beach	01957-01-011957	current	Has junctions with I-75 in Tampa and I-95 in Daytona Beach
I-10	362.262	583.004	I-10 at Alabama state line	I-95 in Jacksonville	01958-01-011958	current	Has junctions with I-75 near Lake City and I-95 in Jacksonville
I-75	470.678	757.483	SR 826 in Hialeah	I-75 at Georgia state line	01958-01-011958	current	Has junctions with I-10 in Lake City and I-4 in Tampa
I-75E	45.4	73.1	I-75 near Palmetto	I-75 in Wesley Chapel	01968-01-011968	01972-01-011972	Former designation for eastern bypass of Tampa when I-75 went through St. Petersburg, later swapped with I-275
I-95	382.083	614.903	US 1 in Miami	I-95 at St. Mary's River	01957-01-011957	current	Has junctions with I-10 in Jacksonville and I-4 in Daytona Beach
Former

Auxiliary Interstates

Number	Length (mi) [4]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-110	6.341	10.205	US 90/US 98 in Pensacola	I-10 north of Pensacola	01969-01-011969	current	Only spur route in the Florida Panhandle
I-175	1.440	2.317	I-275 in St. Petersburg	SR 687 in St. Petersburg	01980-01-011980	current
I-275	60.696	97.681	I-75 near Palmetto	I-75 in Wesley Chapel	01973-01-011973	current
I-375	1.340	2.157	I-275 in St. Petersburg	US 19 Alt./SR 595 in St. Petersburg	01979-01-011979	current
I-195	4.424	7.120	I-95/SR 112 in Miami	SR 907A/SR 112 in Miami Beach	01959-01-011959	current
I-295	60.864	97.951	Beltway loop located in Jacksonville		01967-01-011967	current
I-395	1.292	2.079	I-95 in Miami	SR A1A in Miami	01971-01-011971	current
I-595	12.860	20.696	I-75 on Weston–Sunrise–Davie tripoint	Eller Drive in Fort Lauderdale	01990-01-011990	current
I-795	7.5	12.1	I-95 in Jacksonville	I-295 in Jacksonville	proposed	—	Signed as State Road 9B.
Proposed and unbuilt

References

1. Adderly, Kevin (January 27, 2016). "Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico". Route Log and Finder List. Federal Highway Administration . Retrieved April 14, 2025.
2. • McNichol, Dan (2006). The Roads that Built America. New York: Sterling. p. 106. ISBN   1-4027-3468-9. OCLC   63377558.
3. "Transportation Data and Analytics Office". Florida Department of Transportation. September 4, 2018. Retrieved September 25, 2018.
4. Florida Department of Transportation (July 2012). "Interchange Report" (PDF). Florida Department of Transportation. pp. 1–11. Archived from the original (PDF) on February 8, 2012. Retrieved January 17, 2014.