List of Interstate Highways in Florida

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]

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

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