Interstate 474 (I-474) is an

Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National Hi ...

loop route that provides a southwestern bypass around the north-central

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

city of Peoria. I-474's parent Interstate is

I-74 Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa; the eastern end of its Midwest segment is at an interchange with I-75 ...

. As the first digit of the Interstate's number is even, it follows the established convention of providing a loop around a city. I-474 is long. I-474 is the highest numbered route in the state of Illinois. It is also, excluding the proposed I-274 in North Carolina, the only auxiliary route of I-74.

Route description

I-474 is a modern, Interstate-standard four-lane freeway for its entire length. Prior to 2006, through truck traffic on

was instructed to use I-474. This is because prior to its 2004–2007 reconstruction, I-74 was significantly below Interstate standard, having numerous on- and offramps, extremely short merging space for onramps (some less than in length), The

Illinois Route 116 Illinois Route 116 (IL 116) is a cross-state rural state highway that runs from U.S. Route 34 (US 34) by Gladstone east to the intersection of US 45 (North Front Street) and Old US 45, on the north side of Ashkum. Route description Th ...

(IL 116) access interchange at Maxwell Road has been indicated as the eastern terminus for the Quincy to Peoria expressway now known as the IL 336 project.Illinois Department of Transportation.
Image of eastern end of project maps
fro
Peoria to Macomb IDOT site
. Retrieved March 27, 2006. The western terminus of I-474 is at I-74 exit 87A. The eastern terminus of I-474 is at I-74 exit 99. North of the western terminus, the road continues as IL 6 with a new series of exit numbers.

History

I-474 was constructed through the mid-1970s. The now-named Shade–Lohmann Bridge was erected in 1973. During that year, $30.1 million (equivalent to $ in ) was allocated for acquisition of

right-of-way A right of way (also right-of-way) is a specific route that people, animals, vehicles, watercraft, or utility lines travel, or the legal status that gives them the right to do so. Rights-of-way in the physical sense include controlled-access h ...

, grading work, and overpass/bridge construction across the whole length of the highway.

Exit list

References

External links

Illinois Highway Ends: Interstate 474
{{3di, 74 74-4 74-4 Transportation in Peoria County, Illinois Transportation in Tazewell County, Illinois 4