Although the Alley runs from east to west, Interstate 75 is signed with north / south banners. There really are alligators hanging out in the canals and waterways along Interstate 75, especially through the Big Cypress National Preserve… This is the only toll road along the entire length of I-75, though there is a toll bridge in Michigan and tolled Express Lanes. Leaving South Florida, Interstate 75 follows Alligator Alley, a toll facility linking the Miami metropolitan area with Naples and Fort Myers. Currently, there are no plans to extend Interstate 75 southeast along the SR 924 (Gratigny Parkway) and SR 953 corridor. This freeway would extend south to meet SR 112 (Airport Expressway) and SR 836 (Dolphin Expressway). A portion of the freeway between SR 826 and I-95 was eventually constructed however, it was built as a toll road (Gratigny Parkway) and not included in the Interstate highway system since it did not meet another Interstate at its end.Ī planned freeway, not yet acted upon, would parallel SR 953 (LeJeune Road) south along a former railroad right-of-way to the east, ultimately connecting SR 924 (Gratigny Parkway) with another freeway but not an Interstate. Due to local opposition, the planned easternmost leg was cancelled, and I-75 truncated to end at SR 826 (Palmetto Expressway). As a result of using the Alligator Alley, I-75 was too far north to meet I-95 in Downtown Miami, so it was rerouted to meet I-95 in North Miami via SR 924 through Opa-Locka to Exit 9. 41 corridor, which mostly remains as a two lane highway today. 6 This avoided the environmentally sensitive U.S. The route was changed sometime in the mid-1970s it may have been as late as 1977 when I-75 was relocated to the Alligator Alley (SR 84). However, with pressure to upgrade the tolled Alligator Alley (old SR 84) to a superhighway, Interstate 75 was extended instead along that route. When this was considered, I-395 was still to remain as is and FDOT maps confirm that the southern spur to Miami Beach was to remain Interstate 395. I-75 would have followed SR 836 (Dolphin Expressway) west past Florida’s Turnpike (Homestead Extension) and overlaid U.S. ![]() When plans for extending I-75 south of Tampa were first concocted, the route was planned to begin at the Midtown Interchange between I-95 and I-395 near Downtown Miami. This was not the original planned southern terminus. ![]() Interstate 75 begins at a relatively innocuous location, the interchange of Florida State Road 826 (Palmetto Expressway) and Florida State Road 924 (Gratigny Parkway) in Hialeah, just northwest of Miami. Several segments of I-75 are also six lanes wide in Kentucky, Ohio and in Lower Michigan.Ī number of U.S. With the exception of Alligator Alley between Southwest and South Florida, all of I-75 is at least six lanes wide from Hialeah, Florida to Chattanooga, Tennessee. Well traveled for the bulk of its course, Interstate 75 has enough traffic to justify six lanes in most locations. A sentimental favorite of AARoads, annual road trips from the Midwest south to sunny Florida makes Interstate 75 a most enjoyable journey. I-75 connects several major metropolitan areas including Miami in South Florida, the Tampa Bay region, Atlanta, Chattanooga and Knoxville in Tennessee, Cincinnati and Toledo, Ohio and Detroit, Michigan. Interstate 75 is a major transportation corridor, linking the Southeastern U.S.
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