Illinois Route 99
State highway in western Illinois, US
From Wikipedia, the free encyclopedia
Illinois Route 99 is a north–south state route in western Illinois. It runs from Illinois Route 104 across the Illinois River and Meredosia, north to Illinois Route 101 in Brooklyn (Schuyler County). This is a distance of 32.08 miles (51.63 km).[1]
Illinois Route 99 | ||||
|---|---|---|---|---|
 IL 99 highlighted in red | ||||
| Route information | ||||
| Maintained by IDOT | ||||
| Length | 32.08 mi[1] (51.63 km) | |||
| Existed | 1936[2]–present | |||
| Major junctions | ||||
| South end |  IL 104 in Chambersburg | |||
 US 24 in Mt. Sterling | ||||
| North end |  IL 101 in Huntsville | |||
| Location | ||||
| Country | United States | |||
| State | Illinois | |||
| Counties | Pike, Brown, Schuyler | |||
| Highway system | ||||
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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. It then overlaps U.S. Route 24 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.[3]
History
Major intersections
| County | Location | mi[6] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Pike | | 0.0 | 0.0 | IL 104 – Jacksonville, Quincy | |
| Brown | Mt. Sterling | 14.4 | 23.2 |   IL 107 south – Pittsfield | |
| 15.1 | 24.3 |  US 24 east – Rushville | South end of US 24 concurrency | ||
| 15.6 | 25.1 |  US 24 west – Quincy | North end of US 24 concurrency | ||
| Schuyler | | 32.08 | 51.63 | IL 101 – Bowen | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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