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Interstate 75

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Title: Interstate 75  
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Subject: Interstate 70, Interstate 80, Interstate 24, Interstate 94, Interstate 74
Collection: Interstate 75, Interstate Highway System, U.S. Route 10, U.S. Route 2, U.S. Route 25, U.S. Route 31
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Interstate 75

Interstate 75 marker

Interstate 75
Route information
Length: 1,786.47 mi[1] (2,875.04 km)
Major junctions
South end: SR 826 / SR 924 in Miami Lakes, FL[2]
 
North end: Canadian border on Int'l Bridge in Sault Ste. Marie, MI
Highway system

Interstate 75 (I-75) is a major Tennessee, Kentucky, Ohio, and Michigan.

Due to high traffic levels on the Interstate, much of the route is six lanes even in rural areas.

Contents

  • Route description 1
    • Florida 1.1
    • Georgia 1.2
    • Tennessee 1.3
    • Kentucky 1.4
    • Ohio 1.5
    • Michigan 1.6
  • History 2
  • Junction list 3
  • Auxiliary routes 4
  • References 5
  • External links 6

Route description

Lengths
  mi[1] km
FL 470.88 757.81
GA 355.11 571.49
TN 161.86 260.49
KY 191.78 308.64
OH 211.30 340.05
MI 395.54 636.56
Total 1786.47 2875.04
Interstate 75 ends at this interchange with State Road 826, locally known as the Palmetto Expressway

Florida

Interstate 75 starts at an interchange with Georgia.

Georgia

Interstate 75 co-signed with Interstate 85 in downtown Atlanta.

Interstate 75 enters Chattanooga, Tennessee.

Tennessee

Interstate 75 North at Exit #49 in McMinn County, Tennessee in 2009.

The freeway enters Tennessee directly in the Chattanooga metropolitan area, where it intersects with Interstate 24. Exiting Chattanooga to the northeast, Interstate 75 passes through an area known for dense fog. Twelve people were killed and 42 were injured in a 99 vehicle accident on that stretch of I-75 in heavy fog on December 11, 1990.[3] Interstate 75 does not meet any other highways until it is multiplexed with Interstate 40 and heads eastbound. Together, they enter the outskirts of Knoxville, where Interstate 75 multiplexes itself with a different road, this time Interstate 640, but only for a short time. When the two meet Interstate 275, Interstate 75 becomes its own freeway and heads north towards the Kentucky border. Between Knoxville and Kentucky border, Interstate 75 encounters some of its highest points of elevation through the Cumberland Mountains and Cumberland Plateau region, cutting through the uppermost peaks and ridges of the mountains.

Kentucky

Interstate 75 north of Lexington

Interstate 75 continues northbound through the hilly, rugged terrain of the Cumberland Plateau region of Kentucky passing through London and Richmond, eventually reaching Lexington, where it briefly runs coterminously with Interstate 64 before splitting off for Cincinnati, Ohio. Near Walton, Interstate 71 merges with Interstate 75, making for yet another multiplexed portion of freeway. Interstate 275, which is the Cincinnati beltway, is then intersected by Interstate 71/75. After passing through Covington, the freeway crosses the Ohio River via the lower level of the Brent Spence Bridge and continues into Cincinnati.

Ohio

Aerial view of I-75 and Dayton, OH

Immediately after entering Cincinnati, Interstate 71 separates from Interstate 75, taking a more east and northeasterly routing through the city, while Interstate 75 remains generally northbound throughout the metropolitan area. Interstate 74 westbound, Ohio State Route 562 eastbound, and Ohio State Route 126 all intersect the freeway as it makes its way northward. In Arlington Heights, a Cincinnati suburb, Interstate 75 sees a carriageway split for a few miles. After another interchange with the Interstate 275 beltway, the freeway continues in the metropolitan area, passes through Middletown and heads toward Dayton, where Interstate 675, Interstate 70, and U.S. Route 35, have interchanges. The intersection of Interstate 75 with Interstate 70 is known as the Freedom Veterans Crossroads.[4] After exiting the city of Dayton, Interstate 75 makes its way northbound through Ohio, passing through the smaller cities of Troy, Wapakoneta, Lima, Findlay and Bowling Green before finally reaching Toledo, located on the Michigan border. Interstate 475 is met first south of the city, and then the cross-country highways of Interstate 80/Interstate 90/Ohio Turnpike. Interstate 475 then meets with 75 again. Interstate 280 is the last major junction in Ohio; the freeway crosses into Michigan soon afterward.

Michigan

Mackinac Bridge in Michigan

Upon entering Michigan, Interstate 75 follows the northwestern shore of Lake Erie until about Monroe, when it heads northeastward and prepares to enter Detroit and its surrounding suburbs. Yet another I-275 is met as the freeway goes deeper into the Detroit metropolitan area, and no other major junctions are present until downtown. Once downtown, Interstate 75 meets the Ambassador Bridge to Windsor, Ontario, Interstate 375 (Chrysler Freeway), I-94, I-96, M-10 and M-8 (Davison Freeway). I-696 also intersects I-75 in the northern metro area. When the freeway reaches Pontiac, there is a junction with M-59; and further north in Flint, the interstate meets I-475 and I-69. The freeway then heads north towards Saginaw, where I-675 acts as a spur route into the city. Further north in Bay City, the major junction of US 10 exists, providing access to Midland as well as downtown Bay City. The last major interchange occurs at 4 Mile Road just south of Grayling where US 127 northbound ends with traffic merging onto northbound I-75 and the southbound starts taking drivers through the center of the state granting easier access to cities such as Clare, Mt. Pleasant, Lansing, and Jackson. At Mackinaw City, I-75 crosses the Mackinac Bridge to reach the Upper Peninsula. It is the only Interstate located in the Upper Peninsula of Michigan, and it continues until the Canadian border in Sault Ste. Marie, at the International Bridge.

History

I-75 as it crosses the Chattahoochee River in Atlanta

This limited access highway that was planned in the 1950s roughly follows the general route of many older at-grade highways, including U.S. Route 2, U.S. Route 27, U.S. Route 25, and U.S. Route 41, among others. Some of these older U.S. Routes (several of which are still in existence) previously had replaced the eastern route of the old Dixie Highway.

Interstate 75 was planned to end in Tampa, Florida, in the original plan for 41,000 miles of interstate highways. However, beginning in the 1960s, there was a huge growth in the population of Southwest Florida (Sarasota, Fort Myers, Naples, Cape Coral, etc.), hence the need for new highways, especially a north–south freeway, as well as one connecting Florida's Gulf Coast to South Florida.[5] At first, Florida state legislators proposed a toll in the new highway, but by 1968, it was decided that the Federal Government would pay 90% towards the extension of I-75 to southwestern and southeastern Florida.[6] This included subsuming a toll highway from Naples to the Fort Lauderdale area, the Alligator Alley, and furthermore to connect this expressway with Interstate 95 in North Miami—though due to some local opposition, I-75 presently ends a few miles short of I-95.

On December 21, 1977, I-75 was completed from Tampa to Sault Ste. Marie with its final segment opening between northern Miami-Dade County and Broward County, but the last stretch to receive the signs for I-75 was the reconstructed (rebuilt and widened) Alligator Alley on November 25, 1992.[7]

Junction list

Florida
SR 826 / SR 924 on the HialeahMiami Lakes city line
I-595 on the DavieSunrise line
US 27 in Weston
US 17 on the SolanaCleveland CDP line
US 301 in Ellenton
I-275 east-northeast of Terra Ceia
US 301 in Palm River-Clair Mel
I-4 in Mango
I-275 on the LutzWesley Chapel CDP line
US 98 west-northwest of Ridge Manor
US 27 in Ocala
US 441 in Alachua
US 41 / US 441 in Ellisville
US 90 in Lake City
I-10 west-northwest of Five Points
US 129 north-northeast of Suwannee Springs
Georgia
Valdosta
Hahira.
Tifton
US 41 in Tifton
Cordele
Unadilla
Perry
US 341 in Perry
Macon
US 41 in Macon
US 80 in Macon
I-16 in Macon
US 23 northwest of Macon
Bolingbroke
Stockbridge
Morrow
Forest Park
Hapeville city line
I-85 in Atlanta. The highways travel concurrently through Atlanta.
I-20 in Atlanta
US 29 / US 78 / US 278 in Atlanta
US 41 in Atlanta
US 41 in Atlanta
Cumberland
Marietta
Cartersville
Resaca
Dalton
Ringgold
Tennessee
US 41 / US 76 in East Ridge
I-24 on the East Ridge–Chattanooga city line
US 11 / US 64 in Chattanooga. The highways travel concurrently to north of Collegedale.
US 74 in Cleveland
US 321 in Lenoir City
I-40 west of Farragut. The highways travel concurrently to Knoxville.
I-140 in Knoxville
US 11 / US 70 in Knoxville
I-40 / I-640 in Knoxville. I-75/I-640 travels concurrently through Knoxville.
US 25W in Knoxville. The highways travel concurrently through Knoxville.
I-275 / I-640 / US 25W in Knoxville
US 441 in Rocky Top
US 25W in Rocky Top. The highways travel concurrently to Caryville.
US 25W in Jellico
Kentucky
US 25W in Goldbug
US 25W in Corbin
US 25 east-southeast of Mount Vernon
US 25 in Mount Vernon
US 25 in Richmond
US 25 / US 421 south-southeast of Lexington. The highways travel concurrently to Lexington.
US 60 in Lexington
I-64 in Lexington. The highways travel concurrently through Lexington.
US 27 / US 68 in Lexington
Georgetown
US 62 in Georgetown
I-71 in Walton. The highways travel concurrently to Cincinnati, Ohio.
US 42 / US 127 in Florence
I-275 in Erlanger
US 25 / US 42 / US 127 in Fort Mitchell
US 25 / US 42 / US 127 in Covington
Ohio
US 22 / US 27 / US 42 / US 52 / US 127 in Cincinnati
US 50 in Cincinnati
US 27 / US 52 / US 127 in Cincinnati. I-75/US 27/US 52 travel concurrently through Cincinnati.
I-74 / US 27 / US 52 / US 127 in Cincinnati
I-275 in Sharonville
I-675 southeast of Miamisburg
US 35 in Dayton
I-70 in Vandalia
US 40 in Vandalia
US 36 in Piqua
US 33 in Wapakoneta
US 68 in Findlay
US 224 in Findlay
US 6 in Bowling Green
I-475 / US 23 in Perrysburg. I-75/US 23 travels concurrently through Perrysburg.
US 20 / US 23 in Perrysburg
I-80 / I-90 in Rossford
US 24 in Toledo
I-475 in Toledo
I-280 in Toledo
Michigan
I-275 north-northeast of Monroe
US 24 in Taylor
I-96 in Detroit
I-375 in Detroit
I-94 in Detroit
I-696 on the FerndaleHazel ParkRoyal OakMadison Heights city line
US 24 west-northwest of Clarkston
I-475 west of Grand Blanc
US 23 south-southwest of Flint. The highways travel concurrently to southwest of Standish.
I-69 in Flint
I-475 west of Beecher
I-675 east of Saginaw
I-675 north-northwest of Zilwaukee
US 10 west of Bay City
US 127 south of Grayling
US 31 north-northeast of Carp Lake
US 23 in Mackinaw City
US 2 in St. Ignace
Sault Ste. Marie International Bridge at the Canada–United States border in Sault Ste. Marie

Auxiliary routes

References

  1. ^ a b DeSimone, Tony (October 31, 2002). "Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002". Route Log and Finder List.  
  2. ^ Obenberger, Jon; DeSimone, Tony. "Dwight D. Eisenhower National System of Interstate and Defense Highways: Interstate System Facts". Federal Highway Administration. Retrieved February 2008. I-75, Miami, FL to Sault Ste Marie, MI 
  3. ^ Staff (October 28, 1992). "Safety Recommendation in reply to H-92-92" (PDF).  
  4. ^ Keeter, Brian (October 25, 2004). "Nation's Top Highway Official Dedicates Key Dayton, Ohio, Interstate Interchange to State's Military Personnel" (Press release). Federal Highway Administration. Retrieved March 26, 2011. 
  5. ^ "West Coast Turnpike Study Ordered By Kirk". St. Petersburg Times. April 20, 1967. p. 1B. 
  6. ^ "I-75 Extension Should Kill Toll Road - Cramer". Daytona Beach Morning Journal. August 16, 1968. p. 16. 
  7. ^ Staff. "Previous Interstate Facts of the Day". Celebrating the Eisenhower Interstate Highway System. Federal Highway Administration. Retrieved May 11, 2010. 
  • The Road Atlas (Map) (2005 ed.).  
  • Transportation Statistics Office. "GIS Data / Map Directory".  
  • Pavement Management Office (February 2, 2007). "Pavement Management Reports". Florida Department of Transportation. Archived from the original on February 3, 2007. 
  • Office of Transportation Data (2003). Interstate Mileage Report (438 Report) (PDF) (Report).  

External links

  • Geographic data related to Interstate 75 at OpenStreetMap
  • Interstate 75 at Michigan Highways
  • Interstate 75 on Cincinnati-Transit.net
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