Illinois Route 99 is a north–south state route in western

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 runs from

Illinois Route 104 Illinois Route 104 is a state highway in central and western Illinois. It extends from Illinois Route 29 near Taylorville, west over the Illinois River at Meredosia to its western terminus in downtown Quincy. This is a distance of . Route d ...

across the

Illinois River The Illinois River ( mia, Inoka Siipiiwi) is a principal tributary of the Mississippi River and is approximately long. Located in the U.S. state of Illinois, it has a drainage basin of . The Illinois River begins at the confluence of the D ...

and Meredosia, north to

Illinois Route 101 Illinois Route 101 (IL 101) is a east–west state road that runs from to the intersection of Illinois Route 61 in Augusta east to U.S. Highway 67 one mile (1.6 km) east of Littleton. The highway was officially established in 1 ...

Brooklyn Brooklyn () is a borough of New York City, coextensive with Kings County, in the U.S. state of New York. Kings County is the most populous county in the State of New York, and the second-most densely populated county in the United States, be ...

( Schuyler County). This is a distance of .

Route description

Illinois 99 runs northwest from Meredosia to Mount Sterling. It enters the Mount Sterling area on Pittsfield Road north of

Illinois Route 107 Illinois Route 107 is a north–south state highway in western Illinois. It runs from the northern terminus of U.S. Route 54 between Pittsfield and Griggsville north to Illinois Route 99 in Mt. Sterling. This is a distance of . Route des ...

. It then

overlap Overlap may refer to: * In set theory, an overlap of elements shared between sets is called an intersection, as in a Venn diagram. * In music theory, overlap is a synonym for reinterpretation of a chord at the boundary of two musical phrases * O ...

U.S. Route 24 U.S. Route 24 (US 24) is one of the original United States highways of 1926. It originally ran from Pontiac, Michigan, in the east to Kansas City, Missouri, in the west. Today, the highway's eastern terminus is in Independence Township, Mic ...

and runs west on Main Street. After about a half mile (.8 km), Illinois 99 then turns north on Cross Street, west on Washington Street, and then back north on Camden Road en route to Camden. Illinois 99 continues north (staying west of the LaMoine River) to Illinois 101 at Brooklyn, its northern termination.

History

SBI Route 99 had been a route from

West Point The United States Military Academy (USMA), also known Metonymy, metonymically as West Point or simply as Army, is a United States service academies, United States service academy in West Point, New York. It was originally established as a f ...

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...

on local roads, IL 91, IL 61, and US 136. In 1935, IL 99 was dropped from those routes. In 1937, it replaced IL 104 on its current route; in March 1941, it was announced that IL 99 was extended north to Brooklyn.

Major intersections

References

External links

*{{ccat-inline 099 Transportation in Pike County, Illinois Transportation in Brown County, Illinois Transportation in Schuyler County, Illinois