Interstate 64 in Illinois

Interstate 64
	I-64 highlighted in red
Route information
	Maintained by IDOT
Length	130.4 mi[1] (209.9 km)
Existed	1956–present
Major junctions
West end	I-55 / I-64 / 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; US 50 / IL 158 in O'Fallon; US 51 near Richview; I-57 in Mt. Vernon; US 45 north of Mill Shoals;
East end	I-64 at Indiana state line
Location
Counties	St. Clair, Clinton, Washington, Jefferson, Wayne, White
Highway system

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]

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

County	Location[4]	mi[1]	km	Exit	Destinations	Notes
Mississippi River		0.0	0.0		I-55 south / I-64 west / US 40 west – St. Louis, Memphis	Continuation into Missouri
Mississippi River		0.0	0.0	Poplar Street Bridge
St. Clair	East St. Louis	0.6	0.97	1	IL 3 south / Great River Road south – Cahokia	Western end of IL 3/GRR concurrency
		0.9	1.4	—	13th Street and Tudor Avenue	Unnumbered exit[5]
		1.3	2.1	—	Barack Obama Avenue – Business District	Unnumbered exit[5]
		2.5	4.0	3A	I-55 north / I-70 east / US 40 east / Great River Road north – Chicago, Indianapolis	Eastern end of I-55/US 40/GRR concurrency; exit unnumbered eastbound
		2.6	4.2	3B	I-70 west to IL 3 north – Kansas City	Westbound exit and eastbound entrance; St. Louis Lambert International Airport
		2.7	4.3	3	St. Clair Avenue to IL 3 north	Eastern end of IL 3 concurrency; eastbound exit and entrance
		3.3	5.3	4A	Baugh Avenue / 18th Street	Westbound exit and entrance
		4.2	6.8	4B	25th Street
	Washington Park	5.8	9.3	6	IL 111 (Kingshighway)
	Caseyville	7.1	11.4	7	I-255 / US 50 west – Memphis, Chicago	Western end of US 50 concurrency; I-255 exit 20
	Caseyville	8.4	13.5	9	IL 157 (Bluff Road) – Caseyville, Centreville
	Fairview Heights	12.0	19.3	12	IL 159 (Illinois Street) – Belleville, Collinsville
	O'Fallon	14.2	22.9	14	Old US Highway 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 (Air Mobility Drive) – Carlyle, Scott Air Force Base	Eastern end of US 50 concurrency; northern terminus of IL 158; signed as exits 19A (west) and 19B (east)
				21	Rieder Road	Completed in 2017
	Mascoutah	22.6	36.4	23	IL 4 – Mascoutah, Lebanon	Serves MidAmerica St. Louis Airport
	New Baden	27.1	43.6	27	IL 161 – New Baden
Clinton		34.2	55.0	34	Albers
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
Jefferson		68.6	110.4	69	Woodlawn
	Mount Vernon	73.3	118.0	73	I-57 north – Chicago	Western end of I-57 concurrency, exit 96 southbound; I-64 uses I-57 exit numbers
		74.8	120.4	95	IL 15 – Mount Vernon, Ashley	Serves Mount Vernon Outland Airport
		75.8	122.0	94	Veterans Memorial Drive
		78.0	125.5	78	I-57 south to I-24 – Memphis, Nashville	Eastern end of I-57 concurrency; exit 92 on I-57
		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
Wayne		110.1	177.2	110	US 45 – Mill Shoals
White		116.7	187.8	117	CR 20 – Burnt Prairie
White	Grayville	129.4	208.2	130	IL 1 – Grayville
Wabash River		130.4	209.9		I-64 east – Evansville, Louisville	Continuation into Indiana
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus Incomplete access

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References

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

Interstate 64
Previous state: Missouri	Illinois	Next state: Indiana

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[google-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.

[ildot-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.

[aaroads-5] "Interstate 64". AARoads.com. AARoads. 2014. Retrieved August 2, 2014.