Interstate 75 in Florida

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Interstate 75 marker

Interstate 75
<mapframe frameless="1" width="290" height="310" align="center">{{Wikipedia:Map data/Wikipedia KML/Interstate 75 in Florida}}</mapframe>
I-75 highlighted in red
Route information
Maintained by FDOT
Length: 470.808 mi[1] (757.692 km)
Existed: 1955 – present
Major junctions
South end: SR 826 / SR 924 in Miami Lakes
North end: I‑75 towards Valdosta, GA
Counties: Miami-Dade, Broward, Collier, Lee, Charlotte, DeSoto, Sarasota, Manatee, Hillsborough, Pasco, Hernando, Sumter, Marion, Alachua, Columbia, Suwannee, Hamilton
Highway system
SR 73 SR 75
SR 93 SR 93A US 94

Interstate 75 (I-75) is a part of the Interstate Highway System and runs from the HialeahMiami Lakes border, a few miles northwest of Miami, to Sault Ste. Marie in the Upper Peninsula of Michigan. I-75 begins its national northward journey near Miami, running along the western parts of the Miami metropolitan area before traveling westward across Alligator Alley (also known as Everglades Parkway[2]), resuming its northward direction in Naples, running along Florida's Gulf Coast, and passing the cities of Fort Myers, Punta Gorda, Venice, and Sarasota. The freeway passes through the Tampa Bay Area before turning inward towards Ocala, Gainesville, and Lake City before leaving the state and entering Georgia. I-75 runs for 471 miles (758 km) in Florida, making it the longest Interstate in the state and also the longest in any state east of the Mississippi River. The Interstate maintains a speed limit of 70 mph (110 km/h) for its entire length in Florida.

The portion of I-75 from Tampa northward was a part of the original 1955 Interstate Highway plans, with I-75's southern terminus at I-4's current western terminus. Planning to extend the Interstate south to Miami began in 1968 after massive growth in Southwest Florida, which resulted in I-75 being realigned to travel on the eastern fringes of the Tampa Bay area, and the last portion of the highway was opened in 1993.

For FDOT inventory purposes, it is designated as State Road 93 (SR 93) for most of its length in Florida (with exception to the Tampa Bay area, where SR 93 follows I-275, while SR 93A travels with I-75 in the latter's bypass of the area).

Route description

The south end of I-75 near Miami

South Florida

I-75 begins its northward journey at an interchange with SR 826 (Palmetto Expressway) and SR 924 (Gratigny Parkway) on the HialeahMiami Lakes border, near Miami.[3]

As it curves around the border of Miami Lakes, I-75 serves some of the western fringes of South Florida as an eight-lane highway. After an exit with SR 860, I-75 has an interchange with the Homestead Extension of Florida's Turnpike before crossing into Broward County. There, it continues through the western suburbs of Pembroke Pines, Weston, Miramar, Davie, and Southwest Ranches.

At the junction of SR 869 (Sawgrass Expressway) and I-595, I-75 (while maintaining its south–north status) enters a west–east trajectory as it crosses the Everglades by way of Alligator Alley, a toll road that runs from the Collier Boulevard (Exit 101) toll plaza to the US-27 toll plaza (Exit 23). It was originally constructed as a two-lane highway before it was converted to a four-lane highway meeting Interstate Highway standards. At this point, I-75 loses a lane in each direction, heading west, losing another lane west of the U.S. Route 27 (US 27) interchange.

The Everglades and Southwest Florida

File:Alligator Alley Aerial (22782020008).jpg
Aerial view of I-75 through Alligator Alley

The Alligator Alley section of I-75 runs due east-west between exit 19 in Sunrise, FL and exit 101 just east of Naples and is one of only two sections along the Interstate’s entirety that is tolled (the other is the Mackinac Bridge in northern Michigan). Tolls are $3.25 for a 2-axle vehicle as of March 1, 2020 and are collected in both directions. The highway’s toll plazas accept (as of March 1, 2020) both cash and transponders in the SunPass network and are located at either entrance to Alligator Alley. All toll facilities along Alligator Alley and toll revenue collected from them are overseen by the Florida’s Turnpike Enterprise (FTE), a government agency which is part of the Florida Department of Transportation. There are a mere two interchanges along the 75-mile (121 km) tolled portion of Alligator Alley in addition to three rest areas and a number of scenic outlook points as the highway crosses the Florida Everglades. I-75 enters Collier County along Alligator Alley just west of the Snake Road exit (exit 49) and passes through the Big Cypress National Preserve between the Collier County border and State Road 29 (exit 80). There are a number of small bridges along Alligator Alley which allow wildlife to pass safely under the freeway, especially along the Florida Panther National Wildlife Refuge east of SR 29. Extensive fencing also prevents wildlife from interfering with traffic.[4]

As it approaches Naples at County Road 951 (Exit 101), I-75 makes a sharp turn north resuming its south–north trajectory and as it parallels Florida's west coast, it becomes six lanes hereafter to the Georgia state line. At this point, Alligator Alley ends and I-75 is toll free for the rest of its length in Florida. As it continues north, I-75 passes near Bonita Springs, Fort Myers, Punta Gorda, Port Charlotte, Venice, and Sarasota before reaching the Tampa Bay Area metropolis consisting of Tampa and St. Petersburg.

Tampa Bay area

I-75 southbound at exit 256 (SR 618) in Brandon

North of Ellenton, I-275 splits from I-75 to serve St. Petersburg and Pinellas County via the Sunshine Skyway Bridge and Tampa via the Howard Frankland Bridge. I-75 parallels the eastern shore of Tampa Bay as a bypass route of the Tampa Bay Area, as it passes by the communities of Brandon, Temple Terrace, and New Tampa. Two expressways access downtown Tampa from I-75: the Lee Roy Selmon Expressway (SR 618) and I-4. Within the Tampa Bay Metropolitan Area, many interchanges are far more complex than mere diamond, cloverleaf, or even SPUI interchanges. Aside from the large turbine interchange with I-4 (Exit 261), there are interchanges with Fowler Avenue (Exit 265) and Fletcher Avenue/Morris Bridge Road (Exit 266) that contain both loops and flyovers. A flyover ramp was built from southbound Bruce B. Downs Boulevard (Exit 270) to southbound I-75.[5]

Northern Florida

I-75 passing through south Pasco County

At the HillsboroughPasco county line (south of SR 56 (Exit 275)), I-275 rejoins I-75 (at Exit 274, southbound only) and I-75 changes into a southwest–northeast trajectory as it passes through Pasco, Hernando, and Sumter Counties where it runs through parts of the Withlacoochee State Forest on its way to the junction with Florida's Turnpike (exit 328, accessible from southbound I-75 only (although northbound travelers can access the Turnpike from I-75's exit 329 and follow SR 44 to the Turnpike's exit 304)). Widened median segments exist in Northern Pasco County, Hernando County, and in Sumter County north of County Road 476-B (Exit 309). Some of these median segments are actually considered part of the Withlacoochee State Forest itself. The Withlacoochee State Trail runs beneath I-75 between US 98/SR 50 (Exit 301) and the Hernando–Sumter County line, where it also crosses over the Withlacoochee River. All of Interstate 75 from the Georgia border to Tampa, Florida is three lanes in each direction, unless closed for construction. This is to accommodate for the immense number of tourists and vacationers that come to Florida.

The Cross Florida Greenway bridge over I-75

After Florida's Turnpike, I-75 changes into a general southeast–northwest trajectory, which is sustained to the Georgia state line and beyond. I-75 passes beneath the Cross Florida Greenway, which contains a land bridge built across the highway in 2001 between Exits 341 and 350,[6] before entering the City of Ocala, and passing by the cities of Gainesville and Lake City and crosses I-10 at an interchange before entering the state of Georgia, near Valdosta.

I-75 crossing the Suwannee River, with a snippet of music from "Old Folks at Home"

I-75 runs closest to US 41 except between Tampa and High Springs. It runs closer to US 301 between Ellenton and Temple Terrace, and again from Dade City to Sparr. From Belleview to Lake City it runs closest to US 441.[7]


The original plans called for I-75 to end in Tampa.

Original route to Tampa

Original plans for I-75 called for its southern terminus to be in Tampa, where it would terminate at I-4 (at the current interchange between I-4 and I-275, with I-4, which was completed in the Bay area by 1962, continuing west along what is now I-275 over the Howard Frankland Bridge into St. Petersburg).[citation needed] Plans for I-75 from Tampa to Sault Ste. Marie, Michigan were authorized as part of the Federal Aid Highway Act of 1956, signed into law by President Dwight D. Eisenhower, which created the Interstate Highway System.[8]

Construction of the original route from the Georgia border to Tampa via Gainesville and Ocala lasted through most of the 1960s. The first segment of I-75 to open in Florida was from the Georgia border to State Road 6 just south of Jennings, which opened in 1963. It would reach U.S. 90 in Lake City later that year. By mid-1964, I-75 opened from Lake City to the newly completed Florida's Turnpike (known then as the Sunshine State Parkway) in Wildwood. Segments of the original route that are now part of I-275 near Tampa would begin opening in 1966, and construction of the full route would be completed by 1969.[8]

Extension to Miami

Due to major growth in Southwest Florida (particularly Fort Myers and Naples), it was becoming clear that this part of the state would soon need a freeway. Florida's state government first proposed to build a West Coast Turnpike in 1964 from the Tampa Bay area south to Naples.[9] Plans for the West Coast Turnpike (which would have been tolled) were cancelled in 1968, when it was announced that U.S. Secretary of Transportation Alan Boyd had approved an extension of I-75 south to Naples and then east to Miami. The Federal Government would pay for 90% of the extension using funds allocated by the Federal-Aid Highway Act of 1968, which was signed into law by President Lyndon B. Johnson.[10][11]

In preparation for the extension, I-75's designation was extended along the pre-existing route of I-4 over the Howard Frankland Bridge into St. Petersburg by the end of 1969 (I-4's designation would be truncated to its current terminus at this time). From St. Petersburg, I-75 was proposed to continue south over the Sunshine Skyway Bridge and continue south along a new freeway roughly parallel to the Tamiami Trail (U.S. 41) along the lower Gulf Coast to Naples.

I-75E (FL 1957).svg
I-75E shields

As the extension was planned in 1968, plans were also made for a freeway bypassing Tampa Bay to the east. The bypass was initially planned to be designated I-75E, and was to split from I-75 near Wesley Chapel and rejoin it just north of Ellenton. However, in 1972, it was determined that maintaining the main route of I-75 through Downtown Tampa would eventually require major improvements to the existing infrastructure to handle through traffic. As a result, it was decided that I-75 would instead follow the bypass route. FDOT could have renumbered I-75E into what could have possibly been I-75W, but due to a 1973-based AASHTO rule indicating that suffixed routes were to be renumbered to reduce motorist confusion, the option of renumbering I-75E into I-75W was scrapped. Instead, the I-75E designation was renumbered to what is known today as I-275, and both the I-75 and I-275 designations were swapped into their current configuration in 1973. I-75 reached as far south as 38th Avenue North in St. Petersburg when the designations were switched. Despite the designation switch, both freeways' hidden designations still reflect the originally planned routing, with I-75's SR 93 designation following I-275, and the current route of I-75 on the bypass being designated SR 93A.[12] Construction on the bypass segment of I-75 began in 1979.[8]

The initially favored proposal for I-75 to reach Miami from Naples was to have I-75 run along the Tamiami Trail (U.S. 41) across the Everglades to just east of the Palmetto Expressway where it would continue along SR 836 (Dolphin Expressway) and terminate at I-95 and I-395 in Downtown Miami.[12]

Planners made the decision in 1973 to shift I-75's proposed route to cross the Everglades along Alligator Alley over environmental concerns related to upgrading the Tamiami Trail, which runs along the northern border of Everglades National Park. Additionally, they deemed upgrading the Dolphin Expressway to Interstate standards to be highly expensive. By using this route, I-75 would run along the alley to the proposed Port Everglades Expressway, where it would turn south along a new freeway through the western suburbs of Weston and Pembroke Pines to Miami. It was still planned to continue east to I-95, but due to local opposition, I-75 was not built past its current terminus at SR 826 (Palmetto Expressway) in Hialeah. With this new route, the Port Everglades Expressway was then planned to be built as an Interstate highway designated I-595 to provide an Interstate connection between I-75 and I-95.

The first piece of the south extension of I-75 to open was a short segment just east of Fort Myers from SR 78 south to Corkscrew Road in 1979. This piece would extend north to Tucker's Grade just south of Punta Gorda in early 1980 and south to Immokalee Road in North Naples by 1981. Also in 1981, the segment from U.S. 301 in Manatee County south to River Road near Venice opened, which would be completed south to the southern segment in Punta Gorda later that year. It would reach Alligator Alley in Naples by 1984. The route from Tampa to Naples would be complete by 1986 as segments of the Tampa bypass were opened from 1982 to 1986. In the Miami area, I-75 was opened from U.S. 27 to its terminus at the Palmetto Expressway in 1986.[8]

The Florida Department of Transportation transitioned existing interchange exit numbers on all Interstate highways from sequential exits to mileage-based exits in January 2002.[13]

Alligator Alley

The Alligator Alley segment of I-75 extends from a toll plaza just east of Naples to an interchange with I-595 and the Sawgrass Expressway (SR-869 Toll) in Sunrise, FL, just west of Fort Lauderdale. The highway previously existed as a two-lane tollway connecting the two coasts of Florida. Initially known as the Everglades Parkway (State Road 84), it opened for traffic on February 11, 1968, after four years of construction. Built by H. L. Mills Construction Company, it had been called the most controversial roadway ever built in Florida during its initial construction.[14] The name "Alligator Alley" was given by the American Automobile Association while it was being planned as they believed it would be useless to cars and merely an "alley for alligators". However, as alligators often frequent the waterways beside the road, and occasionally the roadway itself, the nickname has developed a somewhat literal meaning. The state moved to officially adopt the “Alligator Alley” name in 1966.[14]

As a two-lane road, Alligator Alley suffered from poor construction and environmental planning. It was also notorious for high-speed accidents including both head-on collisions and collisions with wildlife. The need to improve the road was one of the factors considered in the decision to reroute I-75 onto Alligator Alley, which was rebuilt as a four-lane Interstate highway between 1986 and 1992. Many bridges and culverts designed to let water and wildlife pass underneath the roadway and permit the natural flow of the Everglades’ waters were built as part of the upgrade.[15] This helped to reduce the environmental impact of the highway somewhat, especially upon the severely endangered Florida panther. The completion of the converted Alligator Alley was the final link of the I-75 extension. The segment was signed Interstate 75 on November 25, 1992, completing the highway from Miami to Sault Ste. Marie, Michigan.[16]

The highway is well-known for its predominantly flat character and the extraordinarily linear path the highway follows. In January 2000, the west end toll plaza of Alligator Alley was dedicated to the Memory of Edward J. Beck, a toll taker who was murdered on the job on January 30, 1974.[17]

In April 2008, FDOT proposed a 72-mile (116 km) section of Alligator Alley to be leased to private operators. The additional revenue the state would receive was one of primary motives to privatize this section of Alligator Alley. [18] However, the motion failed in May 2009 when no bids were received that met the required terms.[19]

Recent history

FDOT contracted Prince Contracting in 2015 to construct the state's first diverging diamond interchange (DDI) at the University Parkway (Exit 213) interchange.[20] The $74.5 million project started construction in August 2015 and completed in September 2017.[21] The interchange handles more than 80,000 vehicles per day and reduced intersection delays by 50 percent.[22]

FDOT implemented express lanes along 28 miles (45 km) of the I-75 and SR 826 (Palmetto Expressway) corridors, from just south of the SR 836 (Dolphin Expressway), in Miami-Dade County, to I-595 in Broward County. The project completed another section of the South Florida managed lanes network for all motorists and improves mobility, relieves congestion, provides additional travel options and accommodate future growth in the area. The 75 Express Lanes project extends 15 miles (24 km) along I-75 from Northwest 170 Street, in Miami-Dade County, to I-595, in Broward County. Work was completed in four segments to minimize the effects on the public. Construction began in early 2014 and was completed in 2018. The total project cost $481 million.[23]


Construction began in September 2016 to redesign the interchanges with the north end of Florida's Turnpike (Exit 328) and SR 44 (Exit 329), connecting them with collective-distributor roads, and eliminating left-hand access to Florida's Turnpike from the main southbound lane. This is a joint effort between the Florida's Turnpike Enterprise and Florida Department of Transportation. The new northbound off-ramp to SR 44 was completed on September 19, 2019, and the new southbound on-ramps to the Turnpike and I-75 were completed in early November 2019.

Another interchange is planned for Overpass Road north of State Road 54, connecting to County Road 530.[24][25]

Many widening projects are underway on I-75 to eventually bring it to at least six lanes from Naples to the Georgia state line.[26][27][28]


Several rest area facilities exist along I-75 throughout the state. In addition, there are separate facilities for each direction of the Interstate in Hamilton and Suwannee counties, southbound and northbound, respectively, and a welcome center south of the state line. Exit 131 has a single facility accessible from both travel directions on I-75, as well as the intersecting highway. Exit 161 had a rest stop at the interchange's southeast quadrant but it closed in 2015 because of low usage.[29] Exit 191 also had a rest stop at the interchange's northeast quadrant that closed in the 1990s.[30] Each rest area has rest rooms, vending machines, picnic tables, dog walk areas, and nighttime security. The welcome center also has travel information and free orange juice, the state's official state beverage.[31]

Motorist-aid call boxes were installed starting in 1973, initially from the Georgia line to Lake City,[32] eventually being installed on both outside shoulders of the road every one mile (1.6 km) to allow drivers to indicate the need for gasoline, repair (tire or engine), or emergency services (police, ambulance, or fire). The majority of the call boxes were removed in late 2013 because of the rising maintenance cost and the availability of newer technology.[33]

Intelligent transportation systems (ITS) are used throughout the Interstate. ITS is a fiber optic system of traffic cameras, overhead message signs, microwave vehicle detectors, travel time sensors, road and weather information sensors, and highway advisory radios.[33] FDOT has a data-share agreement with Waze which provides real-time information for the state's 5-1-1 service, ITS, and to Waze users.[34]

The Everglades Radio Network is a network of two low-power FM travelers information radio stations serving the Collier County segment of Alligator Alley in the Everglades region and based at Florida Gulf Coast University in Fort Myers.

Exit list

County Location mi[1] km Old exit New exit Destinations Notes
Miami-Dade Miami Lakes 0.000 0.000 SR 924 east (Gratigny Parkway) to I-95 Western terminus of SR 924; southern terminus of I-75
0.038 0.061 1 1 SR 826 (Palmetto Expressway) – Miami International Airport Signed as exits 1A (north) and 1B (south); formerly swapped
Hialeah 1.470 2.366 2 2 Northwest 138th Street / Graham Dairy Road
4.454 7.168 3A 4 SR 860 east (Northwest 186th Street / Miami Gardens Drive) Western terminus of SR 860
I-75 Express north Southern terminus of express lanes
county line
HialeahMiramar line 4.923 7.923 3B 5 Turnpike Extension – Fort Lauderdale, Orlando, Homestead, Key West No northbound exit to Turnpike south or southbound entrance from Turnpike north; exit 39 on Turnpike
Broward Miramar 6.966 11.211 4 7 Miramar Parkway (CR 858) To Memorial Hospital Miramar
I-75 Express south Southbound exit and northbound entrance
Pembroke Pines 9.204 14.812 5 9 SR 820 (Pines Boulevard) Signed as exits 9A (east) and 9B (west); to Memorial Hospital West
Pembroke PinesDavie line I-75 Express south Southbound exit and northbound entrance
10.867 17.489 6 11 Sheridan Street (CR 822)
DavieWeston line I-75 Express north Northbound exit and southbound entrance
13.166 21.189 7 13 Griffin Road (CR 818) Signed as exits 13A (east) and 13B (west)
I-75 Express south Southbound exit and northbound entrance
14.997 24.135 8 15 Royal Palm Boulevard Access to Cleveland Clinic Florida
Davie tripoint
17.379 27.969 10 19 I-595 east / SR 869 north (Sawgrass Expressway) to Turnpike / I-95 – Fort Lauderdale, Coral Springs, Fort Lauderdale Airport, Port Everglades Western terminus of I-595; southern terminus of SR 869
Weston 21.119 33.988 11 21 SR 84 west / Indian Trace Northbound exit and southbound entrance (exit 22 provides full access)
22.064 35.509 12 22 SR 84 east / Glades Parkway
23.494 37.810 13 23 US 27 – Miami, South Bay Unsigned SR 25
Everglades Wildlife Management Area 25[35] 40 East Toll Plaza (northbound only)
35.3[35] 56.8 Recreational and rest areas
Miccosukee Reservation 49.428 79.547 14 49 CR 833 (Snake Road)
Collier Big Cypress National Preserve 63.0[35] 101.4 Rest area
Miles City 80.048 128.825 14A 80 SR 29 – Everglades City, Immokalee, Ave Maria
100[35] 160 West Toll Plaza (southbound)
101.284 163.001 15 101 CR 951 (SR 951 south) to SR 84 – Naples, Marco Island
104.552 168.260 -- 105 CR 886 (Golden Gate Parkway) – Golden Gate, Naples
107.134 172.415 16 107 CR 896 (Pine Ridge Road) – Naples, Golden Gate
111.401 179.283 17 111 CR 846 (Immokalee Road) – Naples Park, Ave Maria, Delnor - Wiggins State Park
Lee Bonita Springs 115.385 185.694 18 116 CR 865 (Bonita Beach Road) – Bonita Springs, Gulf Beaches
Estero 122.748 197.544 19 123 CR 850 (Corkscrew Road / Miromar Outlets Boulevard) – Hertz Arena, Estero
127.068 204.496 20 128 CR 840 (Alico Road) – San Carlos Park, Southwest Florida International Airport
130.808 210.515 21 131 CR 876 (Daniels Parkway) – Cape Coral Rest area northeast of this interchange; to Gulf Coast Medical Center
Fort Myers 135.426 217.947 22 136 SR 884 (Colonial Boulevard) – Fort Myers, Lehigh Acres To Lee Memorial Hospital
136.985 220.456 23 138 SR 82 (M.L. King Jr. Boulevard) – Fort Myers, Immokalee
138.494 222.884 24 139 CR 810 (Luckett Road) – Fort Myers
140.416 225.978 25 141 SR 80 (Palm Beach Boulevard) – Fort Myers, LaBelle
Caloosahatchee River 140.926–
Bayshore 142.777 229.777 26 143 SR 78 (Bayshore Road / Pine Island Road) – North Fort Myers, Cape Coral
Charlotte 157.004 252.673 27 158 CR 762 (Tuckers Grade) – Tropical Gulf Acres, North Fort Myers, Cape Coral
158.8[35] 255.6 Weigh station
160.270 257.930 28 161 CR 768 (North Jones Loop Road) – Punta Gorda, Punta Gorda Airport
Punta Gorda 163.611 263.306 29 164 US 17 (SR 35) – Punta Gorda, Arcadia To Bayfront Health Punta Gorda
Peace River 164.304–
166.395 267.787 30 167 CR 776 (Harborview Road) – Port Charlotte, Charlotte Harbor
169.573 272.901 31 170 CR 769 (Kings Highway) – Arcadia, Port Charlotte
No major junctions
Sarasota North Port 178.559 287.363 32 179 CR 779 (Toledo Blade Boulevard) – North Port, Port Charlotte
181.505 292.104 33 182 CR 771 (Sumter Boulevard) – North Port
190.580 306.709 34 191 CR 777 (River Road) – North Port, Englewood
192.821 310.315 35 193 CR 765 (Jacaranda Boulevard) – Englewood, Venice
Venice 195.120 314.015 35A 195 CR 762 (Laurel Road) – Nokomis, Venice, Laurel
199.319 320.773 36 200 SR 681 south – Venice, Osprey Southbound exit and northbound entrance; former I-75 south; to Venice Regional Bayfront Health
204.884 329.729 37 205 SR 72 (Clark Road) – Siesta Key, Arcadia
206.906 332.983 38 207 SR 758 (Bee Ridge Road) – Sarasota To Doctors Hospital
Fruitville 209.622 337.354 39 210 SR 780 (Fruitville Road) – Sarasota, St. Armands
county line
213.139 343.014 40 213 CR 610 (University Parkway) – Sarasota-Bradenton International Airport, Sarasota Diverging diamond interchange implemented May 21, 2017, the first of its kind in Florida)[36]
Manatee 216.826 348.948 41 217 SR 70 – Bradenton, Arcadia
220.425 354.740 42 220 SR 64 – Bradenton, Zolfo Springs, Wauchula To Manatee Memorial Hospital
Manatee River 223.498–
224.103 360.659 43 224 US 301 (SR 43) – Ellenton, Palmetto
227.874 366.728 44 228 I-275 north (SR 93) – St. Petersburg Northern end of SR 93 overlap; southern end of SR 93A overlap
229.290 369.006 45 229 CR 683 – Parrish
Hillsborough 237.2[35] 381.7 Rest area
240.126 386.445 46 240 SR 674 – Ruskin, Sun City Center Signed as exits 240A (east) and 240B (west) southbound; to South Bay Hospital
245.966 395.844 47 246 CR 672 – Apollo Beach
250.158 402.590 48 250 Gibsonton, Riverview Access via Gibsonton Drive
253.741 408.357 49 254 US 301 (SR 43) – Riverview
255.587 411.327 50 256 SR 618 (Selmon Expressway) – Tampa, Port of Tampa Exit 15 on SR 618
Brandon 256.559 412.892 51 257 SR 60 – Brandon Access to Brandon Regional Hospital
Mango 259.307 417.314 52 260 SR 574 (Martin Luther King Jr. Boulevard) Signed as exits 260A (east) and 260B (west) northbound
260.729 419.603 53 261 I-4 – Tampa, Orlando Exit 9 on I-4 (unsigned SR 400)
Temple Terrace 264.803 426.159 54 265 SR 582 (Fowler Avenue) – Temple Terrace
265.814 427.786 55 266 CR 582A (Fletcher Avenue) To AdventHealth Tampa
Tampa 269.849 434.280 56 270 CR 581 (Bruce B. Downs Boulevard)
county line
TampaWesley Chapel line 273.708 440.490 57 274 I-275 south (SR 93) – Tampa, St. Petersburg, Airport Southbound exit and northbound entrance; north end of SR 93A overlap; south end of SR 93 overlap
Pasco Wesley Chapel 275.200 442.891 57A 275 SR 56 – Land o' Lakes, Tarpon Springs to be reconstructed as a diverging diamond interchange
277.0[35] 445.8 Rest area
278.670 448.476 58 279 SR 54 / CR 54 – Zephyrhills, Wesley Chapel
Overpass Road Future interchange[37]
285.295 459.138 59 285 SR 52 – Dade City, San Antonio, New Port Richey
292.620 470.926 60 293 CR 41 – Dade City
Hernando 300.969 484.363 61 301 US 98 / SR 50 (SR 700) – Orlando, Brooksville
Sumter Withlacoochee State Forest 306.0[35] 492.5 Rest area
307.125 494.270 62 309 To CR 476 (via CR 476B north) – Webster
313.036 503.783 63 314 SR 48 – Bushnell
Lake Panasoffkee 319.468 514.134 64 321 CR 470 (CR 475) – Sumterville, Lake Panasoffkee
326.797 525.929 65 328 Turnpike south – Orlando Southbound exit and northbound entrance; northern terminus of Turnpike
328.004 527.871 66 329 SR 44 – Inverness, Wildwood
Marion 337.1[35] 542.5 Weigh station
339.357 546.142 67 341 CR 484 – Belleview, Dunnellon
344.6[35] 554.6 Rest area
Ocala 348.340 560.599 68 350 SR 200 – Ocala, Silver Springs, Hernando, Dunnellon Access to AdventHealth Ocala (formerly Munroe Regional Medical Center) and Ocala Regional Medical Center
350.816 564.584 69 352 SR 40 – Ocala, Silver Springs
352.195 566.803 70 354 US 27 (SR 500) – Ocala, Williston, Silver Springs
356.478 573.696 71 358 SR 326
Irvine 366.723 590.183 72 368 CR 318 – Irvine, Orange Lake
Alachua 373.650 601.331 73 374 CR 234 – Micanopy
Paynes Prairie Preserve State Park 381.5[35] 614.0 Rest area
Gainesville 382.390 615.397 74 382 SR 121 (Williston Road) to SR 331 – Gainesville, Williston
383.694 617.496 75 384 SR 24 (Archer Road) – Gainesville, Archer To UF Health Shands Hospital
387.218 623.167 76 387 SR 26 (Newberry Road) – Gainesville, Newberry
389.815 627.346 77 390 SR 222 (NW 39th Avenue) – Gainesville To Gainesville Regional Airport
Alachua 398.854 641.893 78 399 US 441 (SR 20 / SR 25) – Alachua, High Springs
Traxler 404.225 650.537 79 404 CR 236 – High Springs, Lake Butler
Columbia 411.8[35] 662.7 Rest area
Ellisville 413.709 665.800 80 414 US 41 / US 441 (SR 25) – Lake City, High Springs
422.632 680.160 81 423 SR 47 – Fort White, Lake City
Lake City 427.351 687.755 82 427 US 90 (SR 10) – Lake City, Live Oak To Lake City Medical Center
434.702 699.585 83 435 I-10 (SR 8) – Jacksonville, Tallahassee Exit 296 on I-10
Suwannee 439.386 707.123 84 439 SR 136 – White Springs, Live Oak
Hamilton 445.4[35] 716.8 Inspection station
448.5[35] 721.8 Weigh station
451.262 726.236 85 451 US 129 (SR 51) – Jasper, Live Oak
460.350 740.862 86 460 SR 6 – Jasper, Madison
Jennings 466.825 751.282 87 467 SR 143 – Jennings
469.0[35] 754.8 Florida Welcome Center (southbound only)
470.808 757.692 I‑75 north (SR 401) – Valdosta Continuation into Georgia
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Express lanes

All exits are unnumbered.

County Location mi km Destinations Notes
Miami-Dade Hialeah I-75 south to SR 826 / SR 924 – Miami International Airport Express lanes merge into mainline
county line
HialeahMiramar line Turnpike Extension – Fort Lauderdale, Orlando, Homestead, Key West Southbound exit and northbound entrance; exit 39 on Turnpike
Broward Miramar SR 820 (Pines Boulevard) / Sheridan Street Access via local lanes to exits 9 and 11
DavieWeston line Griffin Road / Royal Palm Boulevard Access via local lanes to exits 13 and 15
Sunrise tripoint
I-75 west / SR 869 north / I-595 east to Turnpike / I-95 – Naples, Coral Springs, Fort Lauderdale, Fort Lauderdale–Hollywood International Airport, Port Everglades Northbound exit and southbound entrance; access via local lanes to exit 19
I-595 Express east to Turnpike / I-95 – Fort Lauderdale, Fort Lauderdale–Hollywood International Airport, Port Everglades Continues as peak-direction I-595 express lanes
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

In literature

In John D. MacDonald's novel, The Long Lavender Look, part of his series about fictional detective Travis McGee, the story takes place on Alligator Alley and in nearby towns accessible from it.


  1. 1.0 1.1 Staff. "FDOT Interchange Report" (PDF). Florida Department of Transportation. Retrieved February 28, 2018.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. Burghard, August (1969). Alligator Alley: Florida's Most Controversial Highway. Washington, DC: Lanman. pp. 3–29.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles> Excerpted in "Alligator Alley Story". Archived from the original on February 6, 2012. Retrieved June 25, 2012.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. FIHS System Map (Map). Florida Department of Transportation. January 1, 2006. Archived from the original on December 22, 2007. Retrieved February 9, 2008.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. Kernicky, Kathleen (March 7, 1993). "Alligator Alley Now A Memory". Orlando Sentinel. Retrieved August 6, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. "Bruce B. Downs Bridge to Southbound I-75 is now Open" (Press release). Florida Department of Transportation. July 24, 2008. Retrieved July 24, 2001.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. Staff (May 31, 2011). "Cross Florida Greenway Land Bridge". Florida Department of Environmental Protection. Retrieved July 24, 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. Google (April 26, 2010). "Overview Map of I-75 in Florida" (Map). Google Maps. Google. Retrieved April 26, 2010.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. 8.0 8.1 8.2 8.3 "Interstate 75". AA Roads. Retrieved July 28, 2016.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>[self-published source]
  9. "West Coast Turnpike Study Ordered By Kirk". St. Petersburg Times. April 20, 1967. p. 1B.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  10. Stafford, Charles (December 14, 1968). "Boyd Approved I-75 Extension to Miami". St. Petersburg Times. Retrieved August 2, 2016.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  11. "I-75 Extension Should Kill Toll Road: Cramer". Daytona Beach Morning Journal. August 16, 1968. p. 16.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  12. 12.0 12.1 "Interstate 75". Interstate-Guide. Retrieved August 6, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>[self-published source]
  13. Kern, Arlene. "Florida's New Interstate Exit Numbers for I-75". State Traffic Engineering and Operations Office, Florida Department of Transportation. Retrieved July 24, 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  14. 14.0 14.1 Sullivan-Hartung, Maureen. "Alligator Alley: 45 years of connecting east and west". Florida Weekly. Archived from the original on August 8, 2014. Retrieved August 6, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  15. "It Will Be 7 Years Before Highway Network Is A Reality". Sarasota Herald-Tribune. April 2, 1973. p. 9A.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  16. Staff. "Previous Interstate Facts of the Day". Celebrating the Eisenhower Interstate Highway System. Federal Highway Administration. Retrieved May 11, 2010.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  18. "Florida puts "Alligator Alley" leasing plan on hold". Reuters. May 19, 2009. Retrieved February 28, 2019.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  19. Wayne, Leslie (June 5, 2009). "Politics and the Financial Crisis Slow the Drive to Privatize". The New York Times. Retrieved June 4, 2009.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  20. "I-75/University Parkway Diverging Diamond Interchange (DDI) Fact Sheet" (PDF). Florida Department of Transportation. August 16, 2015. Retrieved May 17, 2019.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  21. "Diverging Diamond opens in Sarasota". Retrieved May 3, 2019.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  22. "Interstate 75 at University Parkway Diverging Diamond Interchange" (Press release). HDR. Retrieved May 3, 2019.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  23. "75 Express". Florida Department of Transportation. Retrieved September 1, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  24. "Project Information". Overpass Road from Old Pasco Road to US 301. Pasco County Department of Planning. Retrieved April 24, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  25. Mamdooh, Sally (April 23, 2014). "New Interchange to Connect I-75 to US 301 in Pasco". St. Petersburg, FL: Bay News 9. Retrieved April 24, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  26. "I-75 On the Go". I-75 On the Go. Florida Department of Transportation. Retrieved August 6, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  27. "Construction Projects: I-75". MyTBI. Florida Department of Transportation. Retrieved August 6, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  28. "Interstate 75 Current Construction Projects". Florida Department of Transportation. Retrieved April 6, 2016.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  29. Braun, Michael. "Jones Loop rest area in Charlotte County closes after Easter 2015". The News-Press. Retrieved July 20, 2018.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  30. "Interstate 75 North - Sarasota County". AA Roads. Retrieved January 9, 2019.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  31. "State Beverage". Florida Department of State. Retrieved July 20, 2018.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  32. "Motorist-aid call boxes still needed". Ocala Star-Banner. May 28, 2002. Retrieved September 22, 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  33. 33.0 33.1 Turner, Jim (October 19, 2013). "DOT Removing 'Antiquated' Highway Motorist Call Boxes". Naples Daily News. Retrieved July 20, 2018.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  34. Glotzbach, Gene (August 2014). "The Waze Connection" (PDF). Traffic Engineering and Operations Office. SunGuide Disseminator. Florida Department of Transportation. Retrieved July 20, 2018.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  35. 35.00 35.01 35.02 35.03 35.04 35.05 35.06 35.07 35.08 35.09 35.10 35.11 35.12 35.13 35.14 35.15 35.16 Staff. "Straight Line Diagrams". Florida Department of Transportation. Retrieved February 28, 2018.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  36. Becnel, Thomas (May 21, 2017). "Diverging Diamond makes its University Parkway debut". Herald-Tribune. Sarasota, Florida. Retrieved July 11, 2017.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  37. 432734-2-52-01. "I-75 at Overpass Road New Interchange". Florida Department of Transportation. FDOT. Retrieved February 17, 2020.CS1 maint: numeric names: authors list (link)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links

Route map: Bing / Google

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