Interstate 75

Interstate 75 is an interstate highway in the midwest and southeastern United States. It goes from Florida State Highway 826 (Palmetto Expressway) at Hialeah, Florida near Miami to Sault Ste. Marie, Michigan at the Ontario, Canada border.

Notes

I-75 connects Canada with the southern tip of Florida. The Alligator Alley section west of Ft. Lauderdale is due east/west.

Related Topics:
Canada - Florida - Alligator Alley

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Originally, I-75 went through Tampa and St. Petersburg, while the current I-75 was called I-75E. But because of Interstate restrictions dealing with suffixes to routes, I-75 was rerouted along I-75E, and the original I-75 was renamed I-275.

Related Topics:
Tampa - St. Petersburg

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I-175 and I-375 are very brief Interstates that go east into downtown St. Petersburg, while I-275 goes into the heart of Tampa, across the Howard Frankland Bridge into St. Petersburg, then south across the Sunshine Skyway Bridge, reconnecting with I-75 in Manatee County, Florida.

Related Topics:
St. Petersburg - Tampa - Sunshine Skyway Bridge - Manatee County - Florida

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In the center of Atlanta, I-75 merges with I-85 for a short time. This strip of highway, called the Downtown Connector, is infamous for its bad traffic.

Related Topics:
I-85 - Downtown Connector

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There were plans for a spur from Cordele into Albany, Georgia, called I-175; the roadway was constructed but was not given limited access. It was signed as GA Hwy 300 and called the Georgia-Florida Parkway instead.

Related Topics:
Cordele - Albany, Georgia

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Florida's Turnpike originates near Wildwood and continues southeasterly towards Miami.

Related Topics:
Florida's Turnpike - Wildwood - Miami

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In the Cincinnati area, I-75 runs together with I-71, from approximately 20 miles south of Cincinnati to the Brent Spence Bridge across the Ohio River.

Related Topics:
Cincinnati - I-71 - Brent Spence Bridge - Ohio River

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In Detroit, the spur route I-375 is the shortest "signed" freeway in the United States (i.e. it has an actual sign with the road number on its stretch) at 1.06 miles (1.71 km). There are shorter freeways, but none are signed.

Related Topics:
Detroit - United States

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At the northern end of I-75, at Sault Ste. Marie, Michigan, the Sault Ste. Marie International Bridge leads into Canada, into Sault Ste. Marie, Ontario. This is the closest connection of any Interstate to the Trans-Canada Highway. However, there is no direct freeway connection; bridge traffic funnels onto city streets.

Related Topics:
Sault Ste. Marie, Michigan - Sault Ste. Marie International Bridge - Canada - Sault Ste. Marie, Ontario - Trans-Canada Highway

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The section between Grayling, MI and Michigan State Highway 32 was built in 1961. This section was built by converting the northbound lanes of U.S. Highway 27 to southbound lanes and building a new set of northbound lanes leaving the former southbound lanes as a strip of grass. The terminus of the freeway near downtown Grayling converts to a partial interchange for what would become BL I-75 between that and M-93/Hartwick Pines Road.

Related Topics:
Grayling, MI - Michigan State Highway 32 - U.S. Highway 27 - M-93

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Alongside of that, The former segment of US-27 between Grayling and Gaylord, MI turns back to local control. After this individual segment of freeway was completed, it left a gap between Gaylord and Indian River which was filled in a year later. While the gap was being filled in, a special "TO I-75" designation was applied to the former segment of US-27. Around that time, US-27's northern terminus was scaled back to 5 miles south of Grayling until it was redesignated as an extention of US-127 decades after that.

Related Topics:
Gaylord, MI - Indian River - US-127

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Up to the early 1970s, I-75 between Bay City and Gaylord was routed west to Clare then north, and was signed as "TEMP I-75". The routing between Alger and Roscommon was completed in the mid-1970s, and the temporary section reverted to U.S. routes, although of freeway quality.

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