Illinois Route 160 is a north–south highway in southwestern Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. Its southern terminus is at Illinois Route 15

Illinois Route 15

Illinois Route 15 is an east–west highway with its western terminus at Illinois Route 3, U.S. Route 40, I-55, I-64, and I-70 and its eastern terminus at Wabash River at the Illinois/Indiana Border where it meets Indiana 64. This is a distance of ....

 south of Addieville

Addieville, Illinois

Addieville is a village in Washington County, Illinois, in the United States. The population, at the time of the 2010 census, was 252.-Geography:The latitude of Addieville is 38.391N. The longitude is -89.49W.It is in the Central Standard Time zone...

, and its northern terminus is at Illinois Route 140

Illinois Route 140

Illinois Route 140 is an east–west highway with its western terminus at Alton and its eastern terminus at Illinois Route 185 and U.S. Route 40 in Vandalia. It also overlaps Illinois Route 111 in Alton and Illinois Route 127 in Greenville...

 east of Alhambra

Alhambra, Illinois

Alhambra is a village in Madison County, Illinois, United States. The population was 630 at the 2000 census.-Geography:Alhambra is located at ....

. This is a distance of 46.06 miles (74.13 km).

Route description

Illinois 160 runs northwest from Addieville to New Memphis

New Memphis, Illinois

New Memphis is an unincorporated community in Clinton County, Illinois, United States. New Memphis is located near the junction of Illinois Route 160 and Illinois Route 177 east of Mascoutah. New Memphis has a post office with ZIP code 62266....

 via Okawville

Okawville, Illinois

Okawville is a village in Washington County, Illinois, United States. The population was 1,434 at the 2010 census.-Geography:Okawville is located at...

 (near Interstate 64

Interstate 64

Interstate 64 is an Interstate Highway in the Midwestern and Southeastern United States. Its western terminus is at I-70, U.S. 40, and U.S. 61 in Wentzville, Missouri. Its eastern terminus is at an interchange with I-264 and I-664 at Bowers Hill in Chesapeake, Virginia. As I-64 is concurrent with...

) before turning north. Between Okawville and New Memphis it overlaps Illinois Route 177

Illinois Route 177

Illinois Route 177 is an east–west state road in southern Illinois. It runs from Illinois Route 159 in Belleville to U.S. Route 51 in Irvington. This is a distance of .- Route description :...

. It then intersects with Illinois Route 161

Illinois Route 161

Illinois Route 161 is an east–west highway with its western terminus at Illinois Route 157 in Fairview Heights and its official eastern terminus at Illinois Route 37 near Kell...

 at New Baden

New Baden, Illinois

New Baden is a village in Clinton County, Illinois, United States. The population was 3,349 at the 2010 census.-Geography:New Baden is located at ....

, U.S. Route 50

U.S. Route 50

U.S. Route 50 is a major east–west route of the U.S. Highway system, stretching just over from Ocean City, Maryland on the Atlantic Ocean to West Sacramento, California. Until 1972, when it was replaced by Interstate Highways west of the Sacramento area, it extended to San Francisco, near...

 north of Trenton

Trenton, Illinois

Trenton is a town in Clinton County, Illinois, United States. The population was 3,184 at the 2010 census.-Geography:Trenton is located at ....

, and U.S. Route 40

U.S. Route 40

U.S. Route 40 is an east–west United States highway. As with most routes whose numbers end in a zero, U.S. 40 once traversed the entire United States. It is one of the original 1920s U.S. Highways, and its first termini were San Francisco, California, and Atlantic City, New Jersey...

 north of Highland

Highland, Illinois

Highland is a city in Madison County, Illinois, United States. The population was 9,433 at the 2010 census. Highland began as a Swiss settlement and derived its name from later German immigrants.Highland is a sister city of Sursee in Switzerland....

. Illinois 160 passes through the town of Grantfork

Grantfork, Illinois

Grantfork is a village in Madison County, Illinois, United States. The population was 254 as of the 2000 census.-Geography:Grantfork is located at .According to the United States Census Bureau, the village has a total area of , all of it land....

 just north of Interstate 70

Interstate 70

Interstate 70 is an Interstate Highway in the United States that runs from Interstate 15 near Cove Fort, Utah, to a Park and Ride near Baltimore, Maryland. It was the first Interstate Highway project in the United States. I-70 approximately traces the path of U.S. Route 40 east of the Rocky...

.

Illinois 160 is a rural state road. It has no direct connections to Interstates 64 or 70.

History

SBI Route 160 originally ran from Alton

Alton, Illinois

Alton is a city on the Mississippi River in Madison County, Illinois, United States, about north of St. Louis, Missouri. The population was 27,865 at the 2010 census. It is a part of the Metro-East region of the Greater St. Louis metropolitan area in Southern Illinois...

 to Greenville

Greenville, Illinois

Greenville is a city in Bond County, Illinois, United States, east of St. Louis. The estimated population as of July 2009 is 7,284. The population was 6,955 at the 2000 census. It is the county seat of Bond County....

. In 1935, this Illinois 160 was changed to Illinois Route 140

Illinois Route 140

Illinois Route 140 is an east–west highway with its western terminus at Alton and its eastern terminus at Illinois Route 185 and U.S. Route 40 in Vandalia. It also overlaps Illinois Route 111 in Alton and Illinois Route 127 in Greenville...

. In 1959 it was used on the current Illinois 160 from New Baden to Highland; in 1960, it was extended south to New Memphis. In 1965, it was extended north to its current northern terminus. Finally, in 1967, Illinois 160 was extended one last time to its current southern terminus, to a new road for Illinois 15.