Future Interstate Corridors
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National Highway System High Priority Corridors

 
Conceptual Future Interstate Corridors

The New 31 Hamilton County

The New US 31 I-465 Interchange

Illiana Corridor Plan from I-65 to I-55

78,000 mile Inter-Regional Highway System
Largest Freeway System Studied in 1941
Prior to the Interstate System Approved in 1957
 
 
I-67 Feasibility Study for I-67 Development Corporation (2012)
 
The Illiana Corridor
 
I-72 [Interstate Guide]
 
I-72 Chicago-Kansas City Expressway concept (Wikipedia)
 
I-76 [Interstate Guide]
 
History of I-76 in Ohio [Wikipedia]
 
I-80 [Interstate Guide]
 
I-80 [Wikipedia]
 
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History of I-67

I-67 was part of the original Interstate numbering plan in 1957 for a route from Kalamazoo, Michigan, to Elkhart, Indiana. A planning map shows a freeway along this routing intersecting the Indiana Toll Road just west of the State Road 19 interchange. The Michigan State Highway Department officially requested switching the I-67 designation to a route from Benton Harbor to Grand Rapids in 1958, and in the process proposed the current I-69. The I-67 designation was denied by AASHO which then assigned I-196 to the Benton Harbor to Grand Rapids route, west of the I-96 junction near Grand Rapids.

History of I-76/I-80 in Ohio

I-76 was created when I-80 was realigned in Ohio by 1962, joining the Turnpike west of Cleveland. I-80N was planned to split from I-80 near Kent and run northwest to Cleveland along OH 14. The new alignment of I-80 followed the Ohio Turnpike between the crossing west of Youngstown and OH 14. I-80 west of Youngstown became I-80S from Akron west to I-71 east of Lodi; the rest of proposed I-80 west to Norwalk (which would have crossed I-71 near was removed from the Interstate Highway System in 1971, I-80 was moved to the Turnpike between Streetsboro and southwest of Cleveland; the old route became I-480. I-76 begins at an interchange with I-71 east of Lodi, Ohio cosigned with US 224. The interstate travels east across Medina County before entering Summit County. In Akron, Interstate 76 runs concurrently with I-77 for approximately 3 miles before it becomes its own road again. I-76 continues east through the Akron suburbs and runs a rural route to just west of Youngstown, where it intersects with Interstate 80 and the Ohio Turnpike. Interstate 76 eastbound traffic exits the freeway alignment to join the Ohio Turnpike. Travelers who remain on the freeway alignment transfer to I-80 which leads through the northern Youngstown suburbs and into Pennsylvania via the Keystone Shortway. I-76 travels southeast once joining the Ohio Turnpike as it directly connects to the Pennsylvania Turnpike.

History of the I-72 Chicago to Kansas City Expressway Concept

The Chicago to Kansas City Expressway was the proposed upgrade of US 36 to I-72, a rural four-lane highway across northern Missouri and west central Illinois from Cameron, Missouri at I-35 to Springfield, Illinois at I-55. This would provide a series of rural 4-lane highways (I-35, US 36, I-72, and I-55) connecting Chicago to the North American Free Trade Agreement (NAFTA) Corridor (High Priority Corridor 23). This would reduce the amount of through traffic, primarily truck traffic, in the St. Louis, Des Moines, and Quad Cities metropolitan areas by serving as an alternate route for I-70 and I-80. The Missouri portion of this route is designated as part of High Priority Corridor 61. When US 36 is upgraded to Interstate standards across Missouri, the future western terminus of I-72 would be at Cameron, Missouri at the intersection with I-35. Currently, the west end of I-72 route is west of US 61 and flows concurrent with US 36 into Illinois. In 2004, US 36 was upgraded to a 4-lane expressway between US 61 and US 24 at the Rocket Junction. This expressway is upgraded to interstate standards August 2007.

I-67 Development Corporation Proposal

I-67 Development Corporation was formed in 2011 to advocate running I-67 south concurrently with I-69 from Indianapolis to Washington, then extending a new terrain route to US 231 into Owensboro, Kentucky. From there, this I-67 would follow the William Natcher Parkway to I-65 in Bowling Green, Kentucky. The I-67 Develoment Corporation conducted the I-67 Corridor Feasibility Study. Neither the Kentucky Transportation Cabinet or the Indiana Department of Transportation had any interest in building a new terrain freeway through Indiana to Owensboro. The Kentucky Transportation Cabinet instead requested the Congress to establish two Interstate Corridors to Owensboro, I-369 conversion of the Audubon Parkway and the I-565 conversion of the William Natcher Parkway.

Future I-67 in Indiana and Michigan

The Indiana Senate unanimously passed a resolution in 2003 requesting the I-67 designation for the US 31 Freeway conversion underway between Indianapolis and South Bend. Michigan is also interested in converting US 31 to I-67 to Benton Harbor. Michigan is planning to complete the US 31 freeway to I-196 in Benton Harbor, which revives the original request to continue I-67 to Grand Rapids as they requested in 1958.

Future I-72 in Missouri, Indiana, and Ohio

The western extension of I-72 has been proposed in Missouri as the freeway upgrade of US 36 to St Joseph Missouri. In this proposal, I-72 could be also be extended into Kansas generally following US 59 to Topeka Kanasas and I-335 to I-35.

Western Extension of I-76 in Ohio, Indiana, Illinois {Illiana Corridor}

I-76 could be extended from I-71 in Ohio after the complete conversion of US 30 to a full freeway from I-71 to Ft Wayne. I-76 would then continue along the freeway upgrade of US 30 to Gary Indiana. From there, the proposed Illiana Corridor would become part of I-76 by modifying the original plan to avoid the Midewin National Tall Grass Praire Reserve which was a controversial issue that lead Illinois to drop its support of the Illiana highway. The new aligment would connect directly to the existing I-80 southwest of Chicago, eliminating a major drawback of the previous concept that had not connection to I-80 and terminated at I-55 making the highway a road to nowhere.

 

Ohio

 

West Extension of I-76

I-76 is the conversion of US 30 to a complete freeway from I-71 to the Indiana border. Most of US 30 is already a four-lane limited access freeway, however many section will require upgrading to Interstate standards. US 30 crosses I-75 over the Norfolk Southern railroad with no direct access to I–75. The US 30 interchange with SR 696 provides the only access to both I–75. The major improvement required is to provide a full interchange between I-76 and I-75. US 30 is a four-lane divided highway to Van Wert County that will need a complete upgrade to interstate standards.

Eastern Extension of I-72

US 24 could be converted to I-72. I-72 is actually the extension of the existing interstate in Illinois. The eastern extenstion of I-72 is first to duplex I-72 with I-74 through the state, Next, the IN 25/US 24 Hoosier Heartland Corridor is converted to I-72. The existing Hoosier Heartland Corridor is mostly freeway with a few four-lane divided highway segments. This forms a new I-72/I-74/I-76 corridor from I-70 to I-80 that will bypass Kansas City Missouri, St Louis Missouri, Indianapolis Indiana, and Toledo and Cleveland Ohio.

 

Indiana

 

I-67

Indiana proposed using the I-67 designation for the US 31 freeway currently under construction in Indiana between Indianapolis and South Bend, and possibly continuing northward via the US 31 freeway north to Benton Harbor, Michigan, and going northward from there along existing I-196. The Indiana Senate unanimously passed a resolution calling for federal funding for this proposal and the I-67 designation in 2003. Meanwhile, Indiana is expediting the upgrade of US-31 between Indianapolis and South Bend using funds received through the 2006 Major Moves deal. Such a proposal would put I-67 in the proper place in the grid (it is the only number available for that route).

I-76 West Extension

I-76 would continue along US 30 to I-469 around Ft Wayne Indiana. I-76 runs north of the city along I-469 and I-69 with US 30 before continuing west with US 30 through Indiana up to IN 49 in Valparaiso. I-76 would then parallel IN 49 to the I-80/I-90 Indiana Toll-Road and I-94 east of Gary Indiana.

I-72 East Extension

I-72 begins from Illinois concurrent with I-74 the follows the IN 25 Hoosier Heartland Corridor to Fort Wayne and then the US 24 Forts-to-Ports Corridor to I-75 in Toledo. Also show is the extension of I-76 from Ohio following US 30 to I-80/I-90 east of the Gary Indiana area. The Illiana Corridor is a new 50-mile access controlled highway developed in partnership between the Illinois and Indiana Departments of Transportation. Following extensive environmental studies and public input, federal approval was given to construct a four-lane expressway that connects I-55 in Illinois with I-65 in Indiana. The Illiana corridor would be a major trucking corridor and boost the region’s long-term economic output by $4 billion. The Indiana Department of Transportation temporarily suspended development of the Illiana when Illinois basically ended its support of the highway, however Indiana remains ready to proceed with the project when Illinois is ready.

 

Illinois

 

Illiana Expressway Corridor

This map shows the preferred route for the Illiana Expressway. The purpose of the Illiana Expressway was to provide a sustainable transportation solution that would improve east-west connectivity in the general vicinity of I-55 to the west and I-65 to the east. On June 2, 2015, Illinois Governor Bruce Rauner announced: “In light of the state's current fiscal crisis and a lack of sufficient capital resources, the Illiana Expressway will not move forward at this time. As a result, the Illinois Department of Transportation will remove the project from its current multi-year plan. It is the determination of IDOT that the project costs exceed currently available resources.” Indiana has only suspended its planning for the Illiana but is still advocating its construction.

In 2010, Illinois and Indiana initiated development of an Illiana Expressway under the heading of the "Illiana Corridor". The two states' transportation departments were charged with examining potential routes and proposing one through the formal federal interstate-highway planning process. In late 2012 the bi-state planning group released a draft Tier 1 environmental impact statement which was made final in January 2013. The Tier 2 process underway focused on the specific route which the planners have selected and are advocating. That route runs from I-55 west of Wilmington, Illinois to a point on I-65 east of Lowell, Indiana. This highway became very controversial both because of environmental impact and its routing only between I-55 and I-65 with no direct connection to I-80 or the I-80 Indiana Toll-Road, creating a "road to nowhere."

The I-76 Illiana Corridor

If the Illiana Corridor is directly connected to I-80, the new route would become the bypass to I-80/I-90 through Chicago. The Illiana Corridor would be the western extension of I-76 from Ohio. The other possible designation is the potential to "separate" I-80 from I-90, and use the new Illinois, Indiana, Ohio route as the "new" I-80, which is in fact how I-76 was originally proposed in Ohio. In this case I-80 would bypass Chicago, Gary, Toledo, and Cleveland, providing a less congested rural freeway for transcontinental truck traffic, reducing congestion in many of these cities. To avoid the environmental controvery, the new I-76 Illiana Expressway must run further south of the Middewin National Tall Grass Praire, and connect to I-80 west of Morris Illinois.

 

Michigan

 

I-67

This map shows the conceptual routes for both I-67 along the US 31 to Benton Harbor and Grand Rapids, the along US 131 to Manton and east to I-75 near Grayling. It also shows the conceptual I-73 along US 127 to Jackson, Lansing, and I-75.

 

Missouri

 

Western Extension of I-72

The future extension of Interstate 72 through Missouri from Hannibal to St. Joseph was designated as NHS High Priority 61

High Priority Corridors in Missouri:

A. I-70, from I-29/I-35 to US 61/Avenue of the Saints.

B. I-72/US 36, from the intersection with I-29 to US 61/Avenue of the Saints {I-72 in this map}.

C. US 67, from I-55 to the Arkansas State line {now designated as the Future I-57 Interstate Corridor by Congress}

D. US 65, from US 36/I-72 to the East-West TransAmerica corridor {I-51 in this map}.

E. US 63, from US 36 and the proposed I-72 to the East-West TransAmerica corridor

F. US 54, from the Kansas State line to US 61/Avenue of the Saints {I-51 in this map}.

I-72 extenstion was listed on Marion County’s five-item transportation list that was finalized during the County Commission’s Feb. 16 meeting at the courthouse in Palmyra. Marion County’s “wish list,” which is reviewed and updated as needed annually, will be added to the list of priorities from seven other counties — Audrain, Macon, Monroe, Pike, Ralls, Randolph and Shelby — served by the Mark Twain Regional Council of Governments. Those approximately 40 priorities will then be ranked by the Transportation Advisory Committee (TAC), which consists of two members — a county commissioner and a private citizen — from each of the eight counties....the Missouri Department of Transportation (MoDOT) will then review all the proposed project lists submitted from across the state. Marion County’s newest addition to its priority list would see U.S. 36, from the Mark Twain Memorial Bridge in Hannibal to where U.S. 36 and 24 split near the Rocket Plaza, designated as I-72...To accommodate the I-72 designation request the Commission combined two other requests, both of which have to do with improved lighting. Additional illumination is being requested on U.S. 36 at the west end of Monroe City where Business 36 meets U.S. 36.

 

Kansas

 

I-72

This map show the conceptual I-72 from St Joseph Missouri to Topeka Kansas, generally following US 59 and KS 4 to the I-335/I-70 interchange in east Topeka. I-335 could be re-designated as I-72 to establish a I-72/I-35 corridor that bypasses Kansas City.

I-60 Trans America Highway

I-60 Trans America Highway that follows US 400 and US 50 through Kansas. The US 400 corridor was the original "I-66" Trans America Highway concept, however I-66 would have travelled southwest along US 54 from Wichita Kansas to I-40 in New Mexico. The routing of I-60 from Wichita to Colorado is the difference between this new Trans America Highway concept and the original I-66 concept.