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Interstate 75 in Florida

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This article is about the section of Interstate 75 in Florida. For the entire route, see Interstate 75.

Interstate 75 marker
Interstate 75
Map
I-75 highlighted in red
Route information
Maintained by FDOT
Length470.808 mi[1] (757.692 km)
Existed1956–present
NHSEntire route
Major junctions
South end SR 826 / SR 924 in Miami Lakes
Major intersections
North end I-75 towards Valdosta, GA
Location
CountryUnited States
StateFlorida
CountiesMiami-Dade, Broward, Collier, Lee, Charlotte, DeSoto, Sarasota, Manatee, Hillsborough, Pasco, Hernando, Sumter, Marion, Alachua, Columbia, Suwannee, Hamilton
Highway system
← SR 73→ SR 75
← SR 93SR 93A→ US 94

Interstate 75 (I-75) is a part of the Interstate Highway System that runs from the Hialeah–Miami 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 toward 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's speed limit is 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 Florida Department of Transportation (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 Hialeah–Miami 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 U.S. Highway 27 (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 US 27 interchange.

The Everglades and Southwest Florida

Aerial view of I-75 through Alligator Alley

The Alligator Alley section of I-75 runs due east–west between exit 19 in Sunrise 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 $3.75 for a two-axle vehicle as of July 1, 2023, and are collected in both directions.[4] The highway's toll plazas accept both cash and transponders in the SunPass network and are located at either entrance to Alligator Alley. The toll facilities along Alligator Alley and toll revenue collected from them are overseen by Florida's Turnpike Enterprise (FTE). There are 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 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 SR 29 (exit 80). Several small bridges along Alligator Alley 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.[5]

As it approaches Naples at County Road 951 (exit 101), Alligator Alley ends. The interstate is toll-free for the rest of its length in Florida and makes a sharp turn north, resuming its south–north trajectory, and as it parallels Florida's west coast, it becomes six lanes. As it continues north, I-75 passes near Bonita Springs, Fort Myers, Punta Gorda, Port Charlotte, Venice, Sarasota, and Bradenton 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 single-point urban interchanges. Aside from the large turbine interchange with I-4 (exit 261), there are interchanges with SR 582 (Fowler Avenue; exit 265) and SR 579 (Fletcher Avenue/Morris Bridge Road; exit 266) that contain both loops and flyovers. A flyover ramp was built from southbound SR 581 (Bruce B. Downs Boulevard; exit 270) to southbound I-75.[6]

Northern Florida

I-75 passing through south Pasco County

At the Hillsborough–Pasco 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, Hernando, and Sumter counties north of County Road 476B (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 I-75 from the Georgia border to Tampa 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,[7] 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.

Northbound I-75 at the interchange with I-10
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.[8]

History

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 Tampa 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.[9]

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 SR 6 just south of Jennings, which opened in 1963. It would reach US 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.[9]

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.[10] Plans for the West Coast Turnpike (which would have been tolled) were canceled in 1968, when it was announced that US Secretary of Transportation Alan S. Boyd had approved an extension of I-75 south to Naples and then east to Miami. The federal government would pay for 90 percent of the extension using funds allocated by the Federal-Aid Highway Act of 1968, which was signed into law by President Lyndon B. Johnson.[11][12]

In preparation for the extension, I-75's designation was extended along the preexisting 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 (US 41) along the lower Gulf Coast to Naples.

I-75E (FL 1957)
I-75W (FL 1957)
I-75E
I-75W
Both versions of the respective I-75E and I-75W 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 Interstate 75E (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 be re-routed and instead follow the bypass route. FDOT could have renumbered I-75E into what could have possibly been Interstate 75W (I-75W), but, due to a 1973-based American Association of State Highway and Transportation Officials (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, with the I-75E designation instead being 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.[13] Construction on the bypass segment of I-75 began in 1979.[9]

The initially favored proposal for I-75 to reach Miami from Naples was to have I-75 run along the Tamiami Trail (US 41) across the Everglades to just east of the SR 826 (Palmetto Expressway) where it would continue along SR 836 (Dolphin Expressway) and terminate at I-95 and I-395 in Downtown Miami.[13] However, in 1973, planners made the decision 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, Alligator Alley itself needed upgrading, as the then-narrow toll road was dangerous to both motorists and wildlife (most notably the Florida panther) alike, and the Dolphin Expressway, with its left exits and narrow lanes, was not being built to Interstate Highway standards, with the costs to upgrade it being too 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 US 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 US 27 to its terminus at the Palmetto Expressway in 1986.[9]

Alligator Alley

"Alligator Alley" redirects here. For other uses, see Alligator Alley (disambiguation).
See also: Florida State Road 84

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) in Sunrise 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 (SR 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 (AAA) 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 I-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 collector 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 at the University Parkway (exit 213) interchange.[20] The $74.5-million (equivalent to $91.1 million in 2023[21]) project started construction in August 2015 and completed in September 2017.[22] The interchange handles more than 80,000 vehicles per day and reduced intersection delays by 50 percent.[23]

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 accommodates future growth in the area. The 75 Express Lanes project extends 15 miles (24 km) along I-75 from Northwest 170th 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 (equivalent to $575 million in 2023[21]).[24]

In 2015, the Central Florida Expressway Authority (CFX), FDOT, and FTE announced a $68.5-million (equivalent to $86.1 million in 2023[21]) project to make several improvements to I-75's interchange with SR 44 (exit 329) and the adjoining interchange with Florida's Turnpike (exit 328). This included adding a collector–distributor ramp in each direction along I-75 leading to the interchange northbound, and leading from SR 44 to the southbound Turnpike, as well as widening I-75 to six lanes in each direction leading to the interchange, and adding another access point from the northbound Turnpike to SR 44 (exit 307). The project, which was handled by Middlesex Construction, began construction in September 2016. The new northbound offramp to SR 44 was completed on September 19, 2019, and the new southbound onramps to the Turnpike and I-75 were completed in early November 2019. The project overall was completed in January 2020.[25][26]

An additional interchange was planned for Overpass Road north of SR 54, connecting to County Road 530.[27][28] The interchange opened to traffic the morning of January 18, 2023.[citation needed]

Another diverging diamond interchange with SR 56 (exit 275) was initially proposed in May 2018;[29] construction on the revamped intersection began in February 2019,[30] and it was completed in 2022.[citation needed]

Services

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.[31] Exit 191 also had a rest stop at the interchange's northeast quadrant that closed in the 1990s.[32] Each rest area has restrooms, 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.[33]

Motorist-aid call boxes were installed starting in 1973, initially from the Georgia line to Lake City,[34] 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.[35]

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.[35] 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.[36]

Exit list

FDOT transitioned existing interchange exit numbers on all Interstate Highways from sequential exits to mileage-based exits in January 2002.[37]

CountyLocationmi[1]kmOld exitNew exitDestinationsNotes
Miami-DadeMiami Lakes–Hialeah line0.0000.000

 SR 924 east (Gratigny Parkway) to I-95		Continuation east
11 SR 826 (Palmetto Expressway) – Miami International AirportSigned as exits 1A (north) and 1B (south)
1.4702.36622Northwest 138th Street / Graham Dairy Road
​4.4547.1683A4
 SR 860 east (Northwest 186th Street / Miami Gardens Drive)		Western terminus of SR 860


 I-75 Express north		Southern terminus of express lanes
Miami-Dade–Broward
county line		Hialeah–Miramar line4.9237.9233B5 Florida's Turnpike Extension – Fort Lauderdale, Orlando, Homestead, Key WestNo northbound exit to Turnpike south or southbound entrance from Turnpike north; exit 39 on Turnpike
BrowardMiramar6.96611.21147 Miramar Parkway (CR 858)To Memorial Hospital Miramar


 I-75 Express south		Southbound exit and northbound entrance
Pembroke Pines9.20414.81259 SR 820 (Pines Boulevard)Signed as exits 9A (east) and 9B (west); to Memorial Hospital West, to Pembroke Lakes Mall


 I-75 Express south		Southbound exit and northbound entrance
Pembroke Pines–Davie line10.86717.489611 Sheridan Street (CR 822)To Memorial Hospital Pembroke
Davie

 I-75 Express north		Northbound exit and southbound entrance
Davie–Southwest Ranches–
Weston tripoint		13.16621.189713 Griffin Road (CR 818)Signed as exits 13A (east) and 13B (west)


 I-75 Express south		Southbound exit and northbound entrance
Davie–Weston line14.99724.135815 Royal Palm BoulevardTo Cleveland Clinic Florida
Davie–Weston–
Sunrise tripoint		17.37927.9691019



 I-595 east / SR 869 north (Sawgrass Expressway) to Florida's Turnpike / I-95 – Fort Lauderdale, Coral Springs, Fort Lauderdale Airport, Port Everglades		Western terminus of I-595; southern terminus of SR 869
Weston21.11933.9881121
 SR 84 west / Indian Trace		Northbound exit and southbound entrance (exit 22 provides full access)
22.06435.5091222
 SR 84 east / Glades Parkway
23.49437.8101323 US 27 – Miami, South BayUnsigned SR 25
​25[38]40East Toll Plaza (northbound only)
35.3[38]56.8Recreational and rest areas
Miccosukee Reservation49.42879.5471449
 CR 833 north (Snake Road)		Access to Miccosukee Service Plaza
Collier​63.0[38]101.4Rest area
Miles City80.048128.82514A80 SR 29 – Everglades City, Immokalee, Ave Maria
​100[38]160West Toll Plaza (southbound)
101.284163.00115101
 CR 951 (SR 951 south) to SR 84 – Naples, Marco Island
104.552168.260--105 CR 886 (Golden Gate Parkway) – Golden Gate, Naples
107.134172.41516107 CR 896 (Pine Ridge Road) – Naples, Golden Gate
111.401179.28317111 CR 846 (Immokalee Road) – Naples Park, Ave Maria, Delnor - Wiggins State Park
LeeBonita Springs115.385185.69418116 CR 865 (Bonita Beach Road) – Bonita Springs, Gulf Beaches
Estero122.748197.54419123 CR 850 (Corkscrew Road / Miromar Outlets Boulevard) – Hertz Arena, Estero
Three Oaks127.068204.49620128 CR 840 (Alico Road) – San Carlos Park, Southwest Florida International Airport
​130.808210.51521131 CR 876 (Daniels Parkway) – Cape CoralRest area northeast of this interchange; to Gulf Coast Medical Center
Fort Myers135.426217.94722136 SR 884 (Colonial Boulevard) – Fort Myers, Lehigh AcresTo Lee Memorial Hospital
136.985220.45623138 SR 82 (M.L. King Jr. Boulevard) – Fort Myers, Immokalee
​138.494222.88424139 CR 810 (Luckett Road) – Fort Myers
140.416225.97825141 SR 80 (Palm Beach Boulevard) – Fort Myers, LaBelle
Caloosahatchee River140.926–
141.666		226.798–
227.989		Bridge
North Fort Myers142.777229.77726143 SR 78 (Bayshore Road / Pine Island Road) – North Fort Myers, Cape Coral
Charlotte​157.004252.67327158 CR 762 (Tuckers Grade) – Tropical Gulf Acres, North Fort Myers, Cape Coral
158.8[38]255.6Weigh station
160.270257.93028161 CR 768 (North Jones Loop Road) – Punta Gorda, Punta Gorda Airport
Solana163.611263.30629164 US 17 (SR 35) – Punta Gorda, ArcadiaTo Bayfront Health Punta Gorda
Peace River164.304[38]–
165.832		264.422–
266.881		Bridge
​166.395267.78730167 CR 776 (Harborview Road) – Port Charlotte, Charlotte Harbor
169.573272.90131170 CR 769 (Kings Highway) – Arcadia, Port Charlotte
DeSoto
 No major junctions
SarasotaNorth Port178.559287.36332179 CR 779 (Toledo Blade Boulevard) – North Port, Port Charlotte
181.505292.10433182 CR 771 (Sumter Boulevard) – North Port
​190.580306.70934191 SR 777 (River Road) – North Port, Englewood
192.821310.31535193 CR 765 (Jacaranda Boulevard) – Englewood, Venice
Venice195.120314.01535A195 CR 762 (Laurel Road) – Nokomis, Venice, LaurelTo Sarasota Memorial Hospital - Venice campus
​199.319320.77336200
 SR 681 south – Venice, Osprey		Southbound exit and northbound entrance; former I-75 south
204.884329.72937205 SR 72 (Clark Road) – Siesta Key, Arcadia
Lake Sarasota206.906332.98338207 SR 758 (Bee Ridge Road) – SarasotaTo HCA Florida Sarasota Doctors Hospital
Fruitville209.622337.35439210 SR 780 (Fruitville Road) – Sarasota, St. ArmandsTo Lakewood Ranch Medical Center
Sarasota–Manatee
county line		​213.139343.01440213 CR 610 (University Parkway) – Sarasota-Bradenton International Airport, Sarasota
Manatee216.826348.94841217 SR 70 – Bradenton, Arcadia
220.425354.74042220 SR 64 – Bradenton, Zolfo Springs, WauchulaTo Manatee Memorial Hospital
Manatee River223.498[38]–
224.226		359.685–
360.857		Bridge
​224.103360.65943224 US 301 (SR 43) – Ellenton, Palmetto
227.874366.72844228
 I-275 north (SR 93) – St. Petersburg		Northern end of SR 93 overlap; southern end of SR 93A overlap
229.290369.00645229 CR 683 – Parrish
Hillsborough​237.2[38]381.7Rest area
Ruskin–Sun City Center line240.126386.44546240 SR 674 – Ruskin, Sun City CenterSigned as exits 240A (east) and 240B (west) southbound; to South Bay Hospital
​245.966395.84447246 CR 672 – Apollo Beach
Gibsonton–Riverview line250.158402.59048250Gibsonton, RiverviewAccess via Gibsonton Drive
Brandon253.741408.35749254 US 301 (SR 43) – Riverview
255.587411.32750256 SR 618 (Selmon Expressway) – Tampa, Port of TampaExit 15 on SR 618
256.559412.89251257 SR 60 – BrandonTo HCA Florida Brandon Hospital
Mango259.307417.31452260 SR 574 (Martin Luther King Jr. Boulevard)Signed as exits 260A (east) and 260B (west) northbound
260.729419.60353261 I-4 – Tampa, OrlandoExit 9 on I-4 (unsigned SR 400)
Temple Terrace264.803426.15954265 SR 582 (Fowler Avenue) – Temple Terrace
Temple Terrace–Tampa line265.814427.78655266 CR 582A (Fletcher Avenue)To AdventHealth Tampa
Tampa269.849434.28056270 CR 581 (Bruce B. Downs Boulevard)
PascoWesley Chapel273.708440.49057274
 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
275.200442.89157A275 SR 56 – Land o' Lakes, Tarpon Springs
277.0[38]445.8Rest area
278.670448.47658279 SR 54 / CR 54 – Zephyrhills, Wesley Chapel
282Overpass RoadOpened January 18, 2023[39]
​285.295459.13859285 SR 52 – Dade City, San Antonio, New Port Richey
292.620470.92660293 CR 41 – Dade City
Hernando​300.969484.36361301 US 98 / SR 50 (SR 700) – Orlando, Brooksville
SumterWithlacoochee State Forest306.0[38]492.5Rest area
​307.125494.27062309
 To CR 476 (via CR 476B north) – Webster
313.036503.78363314 SR 48 – Bushnell
Lake Panasoffkee319.468514.13464321 CR 470 (CR 475) – Sumterville, Lake Panasoffkee
​326.797525.92965328
 Florida's Turnpike south – Orlando		Left southbound exit and right northbound entrance; northern terminus of Turnpike
328.004527.87166329 SR 44 – Inverness, Wildwood
Marion​337.1[38]542.5Weigh station
339.357546.14267341 CR 484 – Belleview, Dunnellon
344.6[38]554.6Rest area
Ocala348.340560.59968350 SR 200 – Ocala, Silver Springs, Hernando, DunnellonTo AdventHealth Ocala and HCA Florida Ocala Hospital
350.816564.58469352 SR 40 – Ocala, Silver Springs
352.195566.80370354 US 27 (SR 500) – Ocala, Williston, Silver Springs
356Northwest 49th StreetProposed interchange; construction slated for 2025
​356.478573.69671358 SR 326
Irvine366.723590.18372368 CR 318 – Irvine, Orange Lake
Alachua​373.650601.33173374 CR 234 – Micanopy
Paynes Prairie Preserve State Park381.5[38]614.0Rest area
Gainesville382.390615.39774382
 SR 121 (Williston Road) to SR 331 – Gainesville, Williston
383.694617.49675384 SR 24 (Archer Road) – Gainesville, ArcherTo UF Health Shands Hospital
387.218623.16776387 SR 26 (Newberry Road) – Gainesville, NewberryTo HCA Florida North Florida Hospital
​389.815627.34677390 SR 222 (NW 39th Avenue) – GainesvilleTo Gainesville Regional Airport
Alachua398.854641.89378399 US 441 (SR 20 / SR 25) – Alachua, High Springs
Traxler404.225650.53779404 CR 236 – High Springs, Lake Butler
Columbia​411.8[38]662.7Rest area
Ellisville413.709665.80080414 US 41 / US 441 (SR 25) – Lake City, High Springs
​422.632680.16081423 SR 47 – Fort White, Lake City
Lake City427.351687.75582427 US 90 (SR 10) – Lake City, Live OakTo HCA Florida Lake City Hospital
​434.702699.58583435 I-10 (SR 8) – Jacksonville, TallahasseeExit 296 on I-10
Suwannee​439.386707.12384439 SR 136 – White Springs, Live Oak
Hamilton​445.4[38]716.8Inspection station
448.5[38]721.8Weigh station
451.262726.23685451 US 129 (SR 51) – Jasper, Live Oak
460.350740.86286460 SR 6 – Jasper, Madison
Jennings466.825751.28287467 SR 143 – Jennings
​469.0[38]754.8Florida Welcome Center (southbound only)
470.808757.692
 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.

CountyLocationmikmDestinationsNotes
Miami-DadeHialeah


 I-75 south to SR 826 / SR 924 – Miami International Airport		Express lanes merge into mainline
Miami-Dade–Broward
county line		Hialeah–Miramar line Florida's Turnpike Extension – Fort Lauderdale, Orlando, Homestead, Key WestSouthbound exit and northbound entrance; exit 39 on Turnpike
BrowardMiramar SR 820 (Pines Boulevard) / Sheridan StreetAccess via local lanes to exits 9 and 11
Davie–Weston lineGriffin Road / Royal Palm BoulevardAccess via local lanes to exits 13 and 15
Davie–Weston–
Sunrise tripoint




 I-75 west / SR 869 north / I-595 east to Florida's 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 Florida's 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.

References

  1. ^ a b Florida Department of Transportation. "FDOT Interchange Report" (PDF). Florida Department of Transportation. Retrieved February 28, 2018.
  2. ^ Burghard, August (1969). Alligator Alley: Florida's Most Controversial Highway. Washington, DC: Lanman. pp. 3–29. Excerpted in "Alligator Alley Story". naples.net. Archived from the original on February 6, 2012. Retrieved June 25, 2012.
  3. ^ FIHS System Map (Map). Florida Department of Transportation. January 1, 2006. Archived from the original on December 22, 2007. Retrieved February 9, 2008.
  4. ^ "Department of Transportation Applies Statutory Inflation Adjustment to Toll Rates" (PDF). July 1, 2023.
  5. ^ Kernicky, Kathleen (March 7, 1993). "Alligator Alley Now A Memory". Orlando Sentinel. Retrieved August 6, 2014.
  6. ^ "Bruce B. Downs Bridge to Southbound I-75 is now Open" (Press release). Florida Department of Transportation. July 24, 2008. Retrieved July 24, 2001.
  7. ^ Florida Department of Environmental Protection (May 31, 2011). "Cross Florida Greenway Land Bridge". Florida Department of Environmental Protection. Retrieved July 24, 2011.
  8. ^ "Overview Map of I-75 in Florida" (Map). Google Maps. Retrieved April 26, 2010.
  9. ^ a b c d "Interstate 75". AA Roads. Retrieved July 28, 2016.[self-published source]
  10. ^ "West Coast Turnpike Study Ordered By Kirk". St. Petersburg Times. April 20, 1967. p. 1B.
  11. ^ Stafford, Charles (December 14, 1968). "Boyd Approved I-75 Extension to Miami". St. Petersburg Times. p. B1. Retrieved August 2, 2016 – via Google News.
  12. ^ "I-75 Extension Should Kill Toll Road: Cramer". Daytona Beach Morning Journal. August 16, 1968. p. 16.
  13. ^ a b "Interstate 75". Interstate-Guide. Retrieved August 6, 2014.[self-published source]
  14. ^ a b 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.
  15. ^ "It Will Be 7 Years Before Highway Network Is A Reality". Sarasota Herald-Tribune. April 2, 1973. p. 9A.
  16. ^ Federal Highway Administration. "Previous Interstate Facts of the Day". Celebrating the Eisenhower Interstate Highway System. Federal Highway Administration. Retrieved May 11, 2010.
  17. ^ "Letter: Honoring my dad".
  18. ^ "Florida puts "Alligator Alley" leasing plan on hold". Reuters. May 19, 2009. Retrieved February 28, 2019.
  19. ^ Wayne, Leslie (June 5, 2009). "Politics and the Financial Crisis Slow the Drive to Privatize". The New York Times. Retrieved June 4, 2009.
  20. ^ "I-75/University Parkway Diverging Diamond Interchange (DDI) Fact Sheet" (PDF). Florida Department of Transportation. August 16, 2015. Retrieved May 17, 2019.
  21. ^ a b c Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  22. ^ "Diverging Diamond opens in Sarasota". wfla.com. Retrieved May 3, 2019.
  23. ^ "Interstate 75 at University Parkway Diverging Diamond Interchange" (Press release). HDR. Retrieved May 3, 2019.
  24. ^ "75 Express". Florida Department of Transportation. Archived from the original on August 25, 2014. Retrieved July 2, 2022.
  25. ^ "I-75 at Florida's Turnpike - Wildwood Interchange Design-Build". Middlesex Corporation. January 18, 2018. Retrieved December 15, 2020.
  26. ^ "Interstate 75 South - Sumter County - AARoads - Florida". AARoads. Retrieved December 15, 2020.[self-published source]
  27. ^ "Project Information". Overpass Road from Old Pasco Road to US 301. Pasco County Department of Planning. Retrieved April 24, 2014.
  28. ^ 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.
  29. ^ "Florida has a gem of an idea to move traffic on and off I-75. It's called diverging diamonds". Tampa Bay Times. Retrieved May 27, 2018.
  30. ^ "Construction On Diverging Diamond Underway In Wesley Chapel". WUSF News. February 25, 2019. Retrieved February 26, 2019.
  31. ^ Braun, Michael. "Jones Loop rest area in Charlotte County closes after Easter 2015". The News-Press. Retrieved July 20, 2018.
  32. ^ "Interstate 75 North - Sarasota County". AA Roads. Retrieved January 9, 2019.[self-published source]
  33. ^ "State Beverage". Florida Department of State. Retrieved July 20, 2018.
  34. ^ "Motorist-aid call boxes still needed". Ocala Star-Banner. May 28, 2002. Retrieved September 22, 2015.
  35. ^ a b Turner, Jim (October 19, 2013). "DOT Removing 'Antiquated' Highway Motorist Call Boxes". Naples Daily News. Retrieved July 20, 2018.
  36. ^ Glotzbach, Gene (August 2014). "The Waze Connection" (PDF). Traffic Engineering and Operations Office. SunGuide Disseminator. Florida Department of Transportation. Retrieved July 20, 2018.
  37. ^ 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.
  38. ^ a b c d e f g h i j k l m n o p q Florida Department of Transportation. "Straight Line Diagrams". Florida Department of Transportation. Retrieved February 28, 2018.
  39. ^ Florida Department of Transportation. "I-75 at Overpass Road New Interchange". Florida Department of Transportation. Retrieved February 17, 2020.
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