Interstate 64 in Illinois

Interstate 64
Interstate 64
	I-64 highlighted in red
Route information
	Maintained by IDOT
Length	130.4 mi (209.9 km)
Existed	1956–present
NHS	Entire route
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; IL 1 in Grayville;
East end	I-64 at Indiana state line
Location
Country	United States
State	Illinois
Counties	St. Clair, Clinton, Washington, Jefferson, Wayne, White
Highway system
	Interstate Highway System; Main; Auxiliary; Suffixed; Business; Future; Illinois State Highway System; Interstate; US; State; Tollways; Scenic;

Interstate 64 (I-64) in the US 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).