Illinois Route 203 (IL 203) is a north–south

state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...

in the southwestern part of the U.S. state of

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

. It travels from just south of

I-55 Interstate 55 (I-55) is a major Interstate Highway in the central United States. As with most primary Interstates that end in a five, it is a major cross-country, north–south route, connecting the Gulf of Mexico to the Great Lakes. The h ...

I-70 Interstate 70 (I-70) is a major east–west Interstate Highway in the United States that runs from I-15 near Cove Fort, Utah, to a park and ride lot just east of I-695 in Baltimore, Maryland, and is the fifth-longest Interstate in the co ...

/ US 40 around

Gateway International Raceway World Wide Technology Raceway (formerly Gateway International Raceway and Gateway Motorsports Park) is a motorsport racing facility in Madison, Illinois, just east of St. Louis, Missouri, United States, close to the Gateway Arch. It features a o ...

at Collinsville Road (former US 40) in Fairmont City, north to

I-270 I-270 may refer to: * Interstate 270 (disambiguation), one of several highways * Mikoyan-Gurevich I-270 The Mikoyan-Gurevich I-270 (Design Ж ("Zh") under Mikoyan-Gurevich's in-house designation sequence, USAF/DoD designation: Type 12) was a ...

near Pontoon Beach. IL 203 is a former segment of US 66.

Route description

IL 203 is a major north–south artery through the eastern part of the

Greater St. Louis Greater St. Louis is a bi-state metropolitan area that completely surrounds and includes the independent city of St. Louis, the principal city. It includes parts of both Missouri and Illinois. The city core is on the Mississippi Riverfront on t ...

metropolitan area.

History

By 1937, US 67 was signed on part of present-day IL 203. From 1938 to 1955, US 66 City was signed on this particular route as well. By 1939, US 67 Alternate was signed after US 67 was rerouted away from East St. Louis. Up until 1964, parts of IL 3, IL 162, and US 67 Alternate utilized present-day IL 203. In 1964, IL 203 was signed; replacing these routes. It originally traveled to

Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since the ...

, but this was later trimmed back to I-270 as of 1989.

Major intersections

References

External links

* {{Attached KML, display=title,inline 203 Illinois 203 U.S. Route 66 in Illinois Transportation in St. Clair County, Illinois Transportation in Madison County, Illinois Granite City, Illinois U.S. Route 67

Route description

History

Major intersections

See also

References

External links