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Interstate 474
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{{short description|Highway in Illinois}} {{Use mdy dates|date=April 2022}} {{Use American English|date=April 2022}} {{Infobox road |state=IL |route=474 |type=I |alternate_name= |map={{maplink-road|from=Interstate 474.map}} |map_custom=yes |map_notes=I-474 highlighted in red |length_mi=14.88 |length_ref=<ref name=t2>{{cite web |author=Illinois Technology Transfer Center |url=http://www.dot.state.il.us/gist2/select.html |title=T2 GIS Data |access-date=2007-11-08 |year=2006 |archive-date=August 10, 2007 |archive-url=https://web.archive.org/web/20070810103329/http://dot.state.il.us/gist2/select.html |url-status=live }}</ref> |established=1979<ref>{{Illinois road map |year=1979 |access-date=November 24, 2022 }}</ref><ref name=kurumi>Kurumi. [http://www.kurumi.com/roads/3di/ix74.html 3-digit Interstates from I-74] {{Webarchive|url=https://web.archive.org/web/20060317081710/http://www.kurumi.com/roads/3di/ix74.html |date=March 17, 2006 }}. Last updated November 24, 2005. Retrieved March 27, 2006.</ref> |spur_type=I |spur_of=74 |direction_a=West |terminus_a={{Jct|state=IL|I|74|IL|6}} in [[Peoria, Illinois|Peoria]] |junction={{Jct|state=IL|US|24}} in [[Bartonville, Illinois|Bartonville]]<br>{{Jct|state=IL|US|24}} in [[Creve Coeur, Illinois|Creve Coeur]] |direction_b=East |terminus_b={{Jct|state=IL|I|74}} in [[East Peoria, Illinois|East Peoria]] |counties=[[Peoria County, Illinois|Peoria]], [[Tazewell County, Illinois|Tazewell]] |previous_type=IL |previous_route=394 |next_type=I |next_route=490 }} '''Interstate 474''' ('''I-474''') is an [[Interstate Highway]] loop route that provides a southwestern bypass around the north-central [[Illinois]] city of [[Peoria, Illinois|Peoria]]. I-474's parent Interstate is [[Interstate 74|I-74]]. 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 {{convert|14.88|mi|km}} long. I-474 is the highest numbered route in the state of Illinois.<ref name="t2" /> It is also, excluding the proposed [[Interstate 274|I-274]] in North Carolina, the only auxiliary route of I-74. == Route description == [[Image:Shade-Lohmann Bridge, Creve Coeur, Illinois.jpg|thumb|left|[[Shade–Lohmann Bridge]] from the southeast]] I-474 is a modern, Interstate-standard four-lane freeway for its entire length. Prior to 2006, through truck traffic on [[Interstate 74 in Illinois|I-74]] was instructed to use I-474. This is because prior to its 2004–2007 reconstruction, I-74 was significantly below Interstate standard, having numerous {{convert|15|mph|km/h|adj=on}} on- and offramps, extremely short merging space for onramps (some less than {{Convert|500|ft|m}} in length),<ref>{{cite map |title=USGS Map of Peoria, Illinois |url=https://ngmdb.usgs.gov/img4/ht_icons/overlay/IL/IL_Peoria%20East_308460_1996_24000_geo.jpg |website=ngmdb.usgs.gov |access-date=September 22, 2020}}</ref> {{cns|date=April 2020|and a {{convert|50|mph|km/h|adj=on}} speed limit through downtown Peoria.}} The [[Illinois Route 116]] (IL 116) access interchange at Maxwell Road has been indicated as the eastern terminus for the Quincy to Peoria expressway now known as the [[Illinois Route 336|IL 336]] project.<ref name="sect3grid_r1_c5">Illinois Department of Transportation. [http://www.peoriatomacomb.com/maps/3slice/sect3grid_r1_c5.gif Image of eastern end of project maps] {{Webarchive|url=https://web.archive.org/web/20060725095054/http://www.peoriatomacomb.com/maps/3slice/sect3grid_r1_c5.gif |date=July 25, 2006 }} from [http://www.peoriatomacomb.com/ Peoria to Macomb IDOT site] {{Webarchive|url=https://web.archive.org/web/20060421230848/http://www.peoriatomacomb.com/ |date=April 21, 2006 }}. Retrieved March 27, 2006.</ref> 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 [[Illinois Route 6|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 ${{Formatprice|{{inflation|US-GDP|30100000|1973}}}} in {{Inflation/year|index=US-GDP}}{{Inflation/fn|index=US-GDP}}) was allocated for acquisition of [[Right-of-way (transportation)|right-of-way]], grading work, and overpass/bridge construction across the whole length of the highway.<ref name=polk1973>{{citation |author=R.L. Polk and Company |title=Polk's Peoria City Directory |year=1973 |publisher=R.L. Polk and Co. Publishers}}</ref> == Exit list == {{Jcttop|exit|length_ref=|exit_ref=}} {{ILint|exit |county=Peoria |cspan=5 |location=none<!-- rural Kickapoo Township as of 2020 --> |lspan=2 |mile=0.00 |mspan=2 |road={{Jct|state=IL|IL|6|dir1=north|city1=Chillicothe}} |notes=Continuation north beyond I-74 }} {{ILint|exit |mile=none |exit=0 |road={{Jct|state=IL|I|74|city1=Peoria|city2=Moline|city3=Rock Island}} |notes=Western terminus; signed as exits 0A (east) and 0B (west); I-74 exit 87A }} {{ILint|exit |location=Bellevue |mile=3.78 |exit=3A |road={{Jct|state=IL|to1=to|IL|116|city1=Farmington}} }} {{ILint|exit |location=none<!-- rural Limestone Township as of 2020 --> |mile=5.34 |exit=5 |road={{Jct|state=IL|CR|R49|county1=Peoria|name1=Airport Road|extra=airport}} |notes=Serves [[Peoria International Airport]]}} {{ILint|exit |location1=Bartonville |location2=Peoria |type=concur |mile=7.09 |exit=6 |road={{Jct|state=IL|US|24|dir1=west|name1=Adams Street|city1=Bartonville}} |notes=West end of US 24 overlap; signed as exits 6A (US 24 west) & 6B (Adams Street) westbound }} {{Jctbridge|exit |river=[[Illinois River]] |mile=8.83 |mile2=9.04 |bridge=[[Shade–Lohmann Bridge]] }} {{ILint|exit |county=Tazewell |cspan=2 |type=concur |location=Creve Coeur |mile=9.57 |exit=9 |road={{Jct|state=IL|US|24|dir1=east|IL|29|city1=East Peoria|city2=Pekin}} |notes=East end of US 24 overlap }} {{ILint|exit |location=East Peoria |type=incomplete |mile=14.88 |exit=15 |road={{Jct|state=IL|I|74|to2=to|I|155|dir2=south|city1=Peoria|location2=[[Indianapolis]]|city3=Lincoln}} |notes=Eastbound exit and westbound entrance; eastern terminus and signed as exit 15 (west); I-74 exit 99 }} {{Jctbtm|col=8|keys=concur,incomplete}} == References == {{reflist}} == External links == {{Attached KML|display=inline,title}} * [https://web.archive.org/web/20121012063439/http://highwayexplorer.com/il_EndsPage.php?id=3474§ion=1 Illinois Highway Ends: Interstate 474] {{commonscat}} {{3di|74}} [[Category:Auxiliary Interstate Highways|74-4]] [[Category:Interstate Highways in Illinois|74-4]] [[Category:Transportation in Peoria County, Illinois]] [[Category:Transportation in Tazewell County, Illinois]] [[Category:Interstate 74|4]]
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