Interstate 64 in Illinois

Interstate 64 (I-64) in the U.S. state of Illinois is a major east–west Interstate highway that runs through southern Illinois from the St. Louis metropolitan area east to the Indiana state line near Grayville, Illinois. It travels a distance of 130.4 miles (209.9 km).[1]

This article is about the section of Interstate 64 in Illinois. For the entire route, see Interstate 64.

Interstate 64
I-64 highlighted in red
Route information
Maintained by IDOT
Length130.4 mi[1] (209.9 km)
Existed1956–present
Major junctions
West end I-55 / I-64 / US 40 at Missouri state line
 
East end I-64 at Indiana state line
Location
CountiesSt. Clair, Clinton, Washington, Jefferson, Wayne, White
Highway system
Illinois State Highway System
← IL 62IL 64 →

Route description
The Poplar Street Bridge over the Mississippi River

I-64 enters Illinois running concurrently with I–55 and U.S. Route 40 (US 40) over the Mississippi River on the Poplar Street Bridge. After splitting from these highways in East St. Louis, I-64 turns southeasterly and proceeds through St. Clair County towards the Belleville area travelling through the eastern/southeastern St. Louis suburbs of Caseyville, Fairview Heights, O'Fallon, and Shiloh, where the interstate skirts the northern edge of Scott Air Force Base and MidAmerica St. Louis Airport and provides access to Mascoutah and Lebanon via IL Route 4. A new interchange at Rieder Road was completed in September 2017 to create better access to Scott Air Force Base.[2] As part of the new interchange, a third lane in each direction, a wide left shoulder to accommodate a future fourth lane in each direction, and a center jersey barrier was added from one-mile west of Air Mobility Drive/IL Route 158 to Rieder Road.

At the St. Clair and Clinton county line, the Interstate passes the exurb of New Baden, after which it crosses the southern boundary of Clinton County and leaves the St. Louis metropolitan area. It then traverses a rural part of Illinois through Washington and Jefferson counties, which has no adjacent cities or major intersections passing it reaches the city of Mount Vernon in Jefferson County, where it has a short concurrency with I-57. Mount Vernon is the only major city and intersection served by I-64 in Illinois outside of the St. Louis metropolitan area.[3][1] Past Mount Vernon, the Interstate enters another rural stretch through parts of Jefferson, Wayne, and White counties before crossing the Wabash River into Indiana.[3]

Exit list
CountyLocation[4]mi[1]kmExitDestinationsNotes
Mississippi River0.00.0 I-55 south / I-64 west / US 40 west – St. Louis, MemphisContinuation into Missouri
Poplar Street Bridge
St. ClairEast St. Louis0.60.971 IL 3 south / Great River Road south – CahokiaWestern end of IL 3/GRR concurrency
0.91.4—13th Street and Tudor AvenueUnnumbered exit[5]
1.32.1—Barack Obama Avenue – Business DistrictUnnumbered exit[5]
2.54.03A I-55 north / I-70 east / US 40 east / Great River Road north – Chicago, IndianapolisEastern end of I-55/US 40/GRR concurrency; exit unnumbered eastbound
2.64.23B I-70 west to IL 3 north – Kansas CityWestbound exit and eastbound entrance; St. Louis Lambert International Airport
2.74.33 St. Clair Avenue to IL 3 northEastern end of IL 3 concurrency; eastbound exit and entrance
3.35.34ABaugh Avenue / 18th StreetWestbound exit and entrance
4.26.84B25th Street
Washington Park5.89.36 IL 111 (Kingshighway)
Caseyville7.111.47 I-255 / US 50 west – Memphis, ChicagoWestern end of US 50 concurrency; I-255 exit 20
8.413.59 IL 157 (Bluff Road) – Caseyville, Centreville
Fairview Heights12.019.312 IL 159 (Illinois Street) – Belleville, Collinsville
O'Fallon14.222.914Old US Highway 50 – O'Fallon
15.725.316Green Mount Road – O'Fallon, Shiloh
18.629.919 US 50 east / IL 158 west (Air Mobility Drive) – Carlyle, Scott Air Force BaseEastern end of US 50 concurrency; northern terminus of IL 158; signed as exits 19A (west) and 19B (east)
21Rieder RoadCompleted in 2017
Mascoutah22.636.423 IL 4 – Mascoutah, LebanonServes MidAmerica St. Louis Airport
New Baden27.143.627 IL 161 – New Baden
Clinton​34.255.034Albers
Washington​40.465.041 IL 177 – Okawville
Nashville49.880.150 IL 127 – Carlyle, Nashville
​60.797.761 US 51 – Centralia, Ashley
Jefferson​68.6110.469Woodlawn
Mount Vernon73.3118.073 I-57 north – ChicagoWestern end of I-57 concurrency, exit 96 southbound; I-64 uses I-57 exit numbers
74.8120.495 IL 15 – Mount Vernon, AshleyServes Mount Vernon Outland Airport
75.8122.094Veterans Memorial Drive
​78.0125.578 I-57 south to I-24 – Memphis, NashvilleEastern end of I-57 concurrency; exit 92 on I-57
​79.7128.380 IL 37 – Mount Vernon
​88.5142.489Belle Rive, Bluford
Wayne​99.3159.8100 IL 242 – Wayne City
​110.1177.2110 US 45 – Mill Shoals
White​116.7187.8117 CR 20 – Burnt Prairie
Grayville129.4208.2130 IL 1 – Grayville
Wabash River130.4209.9 I-64 east – Evansville, LouisvilleContinuation into Indiana
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References
  1. Google (August 2, 2014). "Overview map of Interstate 64 in Illinois" (Map). Google Maps. Google. Retrieved August 2, 2014.
  2. "After nearly three years of construction, new exit off Interstate 64 will open soon". bnd. Retrieved November 25, 2018.
  3. Interstate Exit Numbers of Illinois (PDF) (Map). Illinois Department of Transportation. November 2008.
  4. Google, Inc. Town/City Boundary Map (Map). Google, Inc. Retrieved August 2, 2014 – via John Coryat.
  5. "Interstate 64". AARoads.com. AARoads. 2014. Retrieved August 2, 2014.

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Interstate 64
Previous state:
Missouri		 Illinois Next state:
Indiana
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