Regional map of Interstate Highways with I-74 highlighted in red.
|Length:||428.81 mi (690.10 km)
As of October 31, 2002
|West end:||I-80 in Davenport, IA|
| I-80 in Colona, IL
US 34 in Galesburg, IL
I-55 in Bloomington, IL
I-57 in Champaign, IL
I-65 / I-70 in Indianapolis, IN
I-75 in Cincinnati, OH
|East end:||NC 41 near Lumberton, NC|
Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an intersection with Interstate 80 in Davenport, Iowa; the eastern end of its Midwest segment is at an intersection with Interstate 75 in Cincinnati, Ohio. It also exists as several other disconnected sections of highways in North Carolina (see details); also see List of gaps in Interstate Highways. This I-74 will not connect to the Interstate 74 that ends in Cincinnati, Ohio, unless West Virginia and Ohio decide to build and upgrade their sections.
Interstate 74 is the only interstate to overlap with a US Route sharing the same numerical identification, which it does with U.S. Route 74 in North Carolina. By design, this is rare because Interstates and US Highways were numbered in order from opposite ends of the country, and duplicate numbers are avoided, although there is a plan for an Interstate 41 in Wisconsin to run concurrently with US 41.
Route description 
In the state of Iowa, Interstate 74 runs south from Interstate 80 for 5.36 miles (8.63 km) before crossing into Illinois on the Interstate 74 Bridge. North of the Mississippi River, I-74 bisects Bettendorf and Davenport.
In the state of Illinois, Interstate 74 runs south from Moline to Galesburg; from this point it runs southeast through Peoria to the Bloomington-Normal area and Interstate 55. I-74 continues southeast to the Champaign-Urbana area, intersecting with Interstate 57. The interstate then runs east past Danville at the Illinois-Indiana state line. U.S. Route 150 parallels Interstate 74 in Illinois for its entire length, save the last few miles on the eastern end (in Danville, when US 150 turns south on Illinois 1), where it parallels U.S. Route 136.
In the state of Indiana, Interstate 74 runs east from the Illinois state line to the Crawfordsville area before turning southeast. It then runs around the city center of Indianapolis along Interstate 465. It then enters Ohio in Harrison, Ohio.
In the state of Ohio, Interstate 74 runs southeast from the Indiana border to the western segment's current eastern terminus at Interstate 75 just north of downtown Cincinnati. It is also signed with U.S. Route 52 for its entire length. While planned to continue through West Virginia and Virginia to the Interstate 74 section in North Carolina, the route remains unsigned or unbuilt past Cincinnati. At this point, I-74 would follow State Route 32 east from Cincinnati and the current Interstate 74.
North Carolina 
In the state of North Carolina, as of the end of 2008 I-74 exists in several segments, starting with a concurrency with I-77 at the Virginia border. This includes the most western portion from Interstate 77 to US 52 just south of Mount Airy, again as the southern segment of Interstate 73 and U.S. Route 220 from just north of Asheboro to south of Candor, and finally a more eastern segment that runs from Laurinburg to an end at NC 41 near Lumberton. A fourth segment, co-signed as US 311, opened to traffic as the High Point bypass in November 2010; it includes an interchange with I-85 and extends approximately 3 miles east of that freeway; it is signed as I-74/US 311. An adjacent section of extant US 311 freeway west from High Point to I-40 east of Winston-Salem remained unsigned due to several substandard features—although it included signage declaring it as a "future I-74 corridor". With a promise of wider shoulders, the federal government approved designating this section as I-74 and signs will go up in Summer 2013.
Southeast Extension 
Long-range plans call for I-74 to continue east and south of Cincinnati to North Carolina using OH 32 from Cincinnati to Piketon, Ohio, and then the proposed I-73 from Portsmouth (OH) through West Virginia (along current U.S. Route 52) to I-77. It would then follow I-77 through Virginia into North Carolina, where I-74 splits from Interstate 77 near the Virginia state line and runs eastward to northwest U.S. Route 52, which it will eventually follow to Winston-Salem, then along U.S. Route 311 through High Point to I-73. I-73 and I-74 overlap to Rockingham. In 1996 AASHTO approved the signing of highways as I-74 along its proposed path east (south) of I-81 in Wytheville, Virginia, where those highways meet Interstate Highway standards. North Carolina started putting up I-74 signs along its roadways in 1997. As of October 2009, Interstate 74 remains unbuilt in the state of West Virginia. WVDOT is currently upgrading the Tolsia Highway to four lanes, but not to Interstate Highway standards. As of December 2008, Interstate 74 is proposed to follow the path of Interstate 77 through the state of Virginia, but remains unsigned from the West Virginia border to the North Carolina border.
Two sections of I-74 in North Carolina are currently under construction and one section was just completed. The completed one is the U.S. 74 freeway from the end of the Laurinburg–Maxton Bypass across Interstate 95 to NC 41 (19 miles) completed by the end of September 2008, though a 6-mile (9.7 km) section from Maxton to NC 710 opened earlier on November 30, 2007. With this opening I-74 signage was extended 13 miles (21 km) east along the Laurinburg and Maxton bypasses. The two 4-mile (6.4 km) segments under construction are the U.S. 311 Bypass of High Point, North Carolina, which also will carry I-74 from Business Loop 85 to Interstate 85, started construction in May 2007. The same contract started work on the first 6 miles (9.7 km) of the I-74 freeway between I-85 and U.S. 220 (Future I-73), both projects should be complete by 2011. The second segment started construction of the rest of the US 311 route to US 220 in September 2008. The proposed path of I-74 east of I-95 is farther along US 74 to NC 211 near Bolton then south along US 17 to near the South Carolina border. These sections are not currently proposed to be built perhaps for another 20 to 30 years. The N.C. Turnpike Authority–at the request of officials in Brunswick County–are studying whether a toll road could get the section of I-74 in that county built faster.
On February 11, 2005, the North and South Carolina Departments of Transportation came to an agreement over where I-74 (and I-73) would cross the border between the two states. It was decided that I-74 would cross the line as a northern extension of the S.C. Highway 31. I-74 is then proposed to end south of Myrtle Beach at U.S. Route 17. A spur route, which is expected to be called I-274, is proposed as designation for the yet-to be-constructed western half of the Winston-Salem Northern Beltway (I-74 will run on the to-be-built eastern half; construction has not been funded and won't start until at least 2015).
Starting around Laurinburg and Maxton and to the east, the new I-74 runs concurrent with US 74. This is the first time that a U.S. and Interstate Highway with the same number have been designated on the same highway.
Midwest extension 
There is still some dispute over which routes will connect the existing stretches of I-74. Ohio has proposed that the stretch should run through the city of Cincinnati and from there either along State Route 32 or U.S. Route 52; while Kentucky officials want the road to begin in the west as part of a greater Cincinnati / Northern Kentucky bypass, then running along the AA Highway from near Brooksville, Kentucky, until it joins I-64 near Ashland, Kentucky.
Major intersections 
- Interstate 80 in Davenport, Iowa
- Interstate 80 near Colona, Illinois
- Interstate 55 in Bloomington, Illinois
- Interstate 57 in Champaign, Illinois
- Interstate 70 in Indianapolis, Indiana
- Interstate 65 in Indianapolis, Indiana
- Interstate 75 in Cincinnati, Ohio
- Interstate 77 near Mount Airy, North Carolina
- Interstate 85 near Archdale, North Carolina
- Interstate 95 near Lumberton, North Carolina
Auxiliary routes 
See also 
- Staff (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. Federal Highway Administration. Retrieved August 29, 2012.
- Malme, Robert H. (2009). "I-74 Segment 16". Retrieved November 26, 2011.[unreliable source]
- Malme, Robert H. (2009). "I-74 Segment 7". Retrieved November 26, 2011.[unreliable source]
- Malme, Robert H. (2009). "I-74 Segment 17". Self-pubilshed. Retrieved August 25, 2012.[unreliable source]
- Malme, Robert H. (2009). "I-74 Segment 4". Self-pubilshed. Retrieved August 25, 2012.[unreliable source]
|Wikimedia Commons has media related to: Interstate 74|
- Geographic data related to Interstate 74 at OpenStreetMap
- I-74 in NC Progress Page
- SCDOT - Carolina Bays Parkway Phase II (part of I-74)
- High Priority Corridor 5 (I-73/74)
- Upgrade 74 Renovation Project
- I-74 on Cincinnati-Transit.net
- Interstate 74 Cincinnati to Piketon Corridor
- I-74 Iowa-Illinois Corridor Study
- Illinois Highway Ends: Interstate 74
- Indiana Highway Ends: Interstate 74
- AA Roads - Interstate 74
- National I-73/74 Corridor Association
- Interstate 74 Construction, Moline, Illinois