Interstate 64 in Illinois Article

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Interstate 64 marker

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

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

Route description

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 runs through St. Clair, Clinton, Washington, and Jefferson counties through a rural part of Illinois with no major cities or intersections. [2] [1] The only major intersection outside of St. Louis is a short concurrency with I-57 near Mount Vernon. Past this, the Interstate enters another rural stretch through parts of Jefferson, Wayne, and White counties before crossing the Wabash River into Indiana. [2]

Exit list

CountyLocation [3]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. Clair East St. Louis0.60.971 IL 3 south / Great River Road south – CahokiaWestern end of IL 3/GRR concurrency
0.91.413th Street and Tudor AvenueUnnumbered exit [4]
1.32.1Barack Obama Avenue – Business DistrictUnnumbered exit [4]
2.54.02 I-55 north / I-70 east / US 40 – Chicago, IndianapolisEastern end of I-55/US 40 concurrency, exit 3A eastbound
2.74.33 IL 3 north / Great River Road north (St. Clair Avenue)Eastern end of IL 3/GRR concurrency
3.35.3415th Street
4.26.8525th 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 – Caseyville, Centreville
Fairview Heights12.019.312 IL 159 – Belleville, Collinsville
O'Fallon14.222.914Old US 50 – O'Fallon
15.725.316Green Mount Road – O'Fallon, Shiloh
18.629.919 US 50 east / IL 158 west – Carlyle, Scott Air Force BaseEastern end of US 50 concurrency; northern terminus of IL 158; signed as exits 19A (west) and 19B (east)
Mascoutah22.636.423 IL 4 – Mascoutah, Lebanon
New Baden27.143.627 IL 161 – New Baden
Clinton34.255.034 Albers
Washington40.465.041 IL 177 – Okawville
Nashville49.880.150 IL 127 – Carlyle, Nashville
60.797.761 US 51 – Centralia, Ashley
Jefferson68.6110.469 Woodlawn
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, Ashley
75.8122.094Veterans Memorial Drive
78.0125.592 I-57 south – Memphis, Nashville, Clarksville, PaducahEastern end of I-57 concurrency
79.7128.380 IL 37 – Mount Vernon
88.5142.489 Belle Rive, Bluford
Wayne99.3159.8100 IL 242 – Wayne City
110.1177.2110 US 45 – Mill Shoals
White116.7187.8117 Burnt Prairie
Grayville129.4208.2130 IL 1 – Grayville
Wabash River130.4209.9 I-64 eastContinuation into Indiana
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c d Google (August 2, 2014). "Overview map of Interstate 64 in Illinois" (Map). Google Maps. Google. Retrieved August 2, 2014.
  2. ^ a b Interstate Exit Numbers of Illinois (PDF) (Map). Illinois Department of Transportation. November 2008.
  3. ^ Town/City Boundary Map (Map). Cartography by Google, Inc. Google, Inc. Retrieved August 2, 2014 – via John Coryat.
  4. ^ a b "Interstate 64". AARoads. 2014. Retrieved August 2, 2014.

Route map:

KML is from Wikidata

Interstate 64
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