Interstate 64 in Illinois
|Maintained by Illinois DOT|
|Length:||130.4 mi (209.9 km)|
|Existed:||1956 – present|
|West end:||I-55 / I-64 / I-70 / US 40 at Missouri state line|
| I-55 / I-70 / US 40 / IL 3 in East St. Louis
I-255 / US 50 in Washington Park
I-57 in Mt. Vernon
|East end:||I-64 at Indiana state line|
In the U.S. state of Illinois, Interstate 64 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).
Interstate 64 enters Illinois concurred with Interstates 55 and 70, and U.S. Route 40 over the Mississippi River on the Poplar Street Bridge. After splitting off from these routes in East St. Louis, it turns southeasternly and runs through St. Clair, Clinton, Washington, and Jefferson counties through a rural part of Illinois with no major cities or intersections. The only major intersection outside of St. Louis is a short concurrency with Interstate 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.
|Mississippi River||0.0||0.0||Poplar Street Bridge
I-55 south / I-64 west / US 40 west continues into Missouri
|St. Clair||East St. Louis||0.6||1.0||1||IL 3 south – Cahokia||Begin SR 3 overlap|
|0.9||1.4||–||13th Street and Tudor Avenue||Unnumbered exit|
|1.3||2.1||–||Barack Obama Avenue - Business District||Unnumbered exit|
|2.5||4.0||2||I-55 north / I-70 east / US 40 – Chicago, Indianapolis||End I-55/US 40 overlap|
|2.7||4.3||3||IL 3 north (St. Clair Avenue)||End SR 3 overlap|
|Washington Park||5.8||9.3||6||IL 111 (Kingshighway)|
|Caseyville||7.1||11.4||7||I-255 / US 50 west – Memphis, Chicago||Begin US 50 overlap|
|8.4||13.5||9||IL 157 – Caseyville, Centreville|
|Fairview Heights||12.0||19.3||12||IL 159 – Belleville, Collinsville|
|O'Fallon||14.2||22.9||14||Old U.S. 50 - O'Fallon|
|15.7||25.3||16||Green Mount Road - O'Fallon, Shiloh|
|18.6||29.9||19||US 50 east / IL 158 west – Carlyle, Scott Air Force Base||End U.S. 50 overlap; Terminus of SR 158; Signed as 19A (west) and 19B (east)|
|Mascoutah||22.6||36.4||23||IL 4 – Mascoutah, Lebanon|
|New Baden||27.1||43.6||27||IL 161 – New Baden|
|Washington||40.4||65.0||41||IL 177 – Okawville|
|Nashville||49.8||80.1||50||IL 127 – Carlyle, Nashville|
|60.7||97.7||61||US 51 – Centralia, Ashley|
|Mount Vernon||73.3||118.0||73||I-57 north – Chicago||Begin I-57 overlap; I-64 uses I-57 exit numbers|
|74.8||120.4||95||IL 15 – Mount Vernon, Ashley|
|75.8||122.0||94||Veterans Memorial Drive|
|78.0||125.5||92||I-57 south – Memphis||End I-57 overlap|
|79.7||128.3||80||IL 37 – Mount Vernon|
|88.5||142.4||89||Belle Rive, Bluford|
|Wayne||99.3||159.8||100||IL 242 – Wayne City|
|110.1||177.2||110||US 45 – Mill Shoals|
|Grayville||129.4||208.2||130||IL 1 – Grayville|
|Wabash River||130.4||209.9||I-64 east continues into Indiana|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- Google Inc. "Overview map of Interstate 64 in Illinois". Google Maps (Map). Cartography by Google, Inc. https://www.google.com/maps/dir/38.6179689,-90.1825963/38.2284972,-email@example.com,-89.4303714,9z/data=!4m3!4m2!1m0!1m0. Retrieved 2 August 2014.
- Illinois Department of Transportation (November 2008) (PDF). Interstate Exit Numbers of Illinois (Map). http://www.dot.il.gov/maps/ExitNo.pdf.
- Google, Inc. Town/City Boundary Map (Map). Cartography by Google, Inc. http://maps.huge.info/places.htm. Retrieved 2 August 2014.
- "I-64 Illinois Exits Eastbound". Roadnow. 2014. Retrieved 2 August 2014.
- "Interstate 64". "Illinois". AARoads.com. AARoads. 2014. Retrieved 2 August 2014.