Illinois Route 159

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Illinois Route 159 marker

Illinois Route 159
Route information
Maintained by IDOT
Length: 64.90 mi[2] (104.45 km)
Existed: 1926[1] – present
Major junctions
South end: IL 3 / IL 154 in Red Bud
  US 50 / I-64 in Fairview Heights
US 40 / I-55 / I-70 in Collinsville
I-270 in Glen Carbon
North end: IL 16 in Royal Lakes
Location
Counties: Randolph, Monroe, St. Clair, Madison, Macoupin
Highway system

Illinois Route 159 is a north–south state road in southwestern Illinois. Its southern terminus is at Illinois Route 3 and Illinois Route 154 in Red Bud and its northern terminus at Illinois Route 16 in Royal Lakes. This is a distance of 64.90 miles (104.45 km).[2]

Route description[edit]

Illinois 159 is a major north–south artery through the eastern portion of the metropolitan St. Louis, Missouri area. Illinois 159 overlaps Illinois Route 143 in Edwardsville.

Widening of a stretch of Illinois 159 to five lanes took place around 2006; the highway is now five lanes from Fairview Heights to Edwardsville, with the exception of downtown Collinsville, where a similar widening project was completed in 2012.[citation needed]

History[edit]

SBI Route 159 ran from Red Bud to Alton. In 1964, the Edwardsville to Alton segment was changed to Illinois Route 143, and Illinois 159 was run north through Edwardsville to Royal Lakes, replacing Illinois Route 112. This created an unusual 3 way multiplex in downtown Edwardsville where you went north on 157, south on 159, and east on 143 for 2 blocks. This multiplex was not signed, however. In 2003 Illinois 159 was rerouted through Edwardsville, which eliminated that multiplex.

An Alternate Illinois Route 159 was proposed by Edwardsville on the old Illinois 159 alignment on Troy Road, but was never implemented.[1]

Major intersections[edit]

County Location Mile[3] km Destinations Notes
Randolph Red Bud 0.0 0.0 IL 3 / IL 154 / Great River Road (Market Street, Main Street)
Monroe Hecker 6.6 10.6 IL 156 west South end of IL 156 overlap
St. Clair   7.8 12.6 IL 156 east North end of IL 156 overlap
Belleville 20.2 32.5 IL 15 – East St. Louis, Mt. Vernon
20.5 33.0 IL 13 / IL 158
Swansea 22.7 36.5 IL 161
Fairview Heights 27.2 43.8 I-64 (US 50) – Mt. Vernon, St. Louis
Madison Collinsville 35.3 56.8 I-55 / I-70 (US 40) – Chicago, St. Louis
Maryville 37.4 60.2 IL 162
  38.6 62.1 I-270 – Effingham, St. Charles
Edwardsville 42.6 68.6 IL 143 east / IL 157 (Vandalia Street) South end of IL 143 overlap
43.9 70.7 IL 143 west (Edwardsville Road) North end of IL 143 overlap
  49.3 79.3 IL 140
Macoupin   61.7 99.3 IL 138 east
Royal Lakes 64.9 104.4 IL 16
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

External links[edit]

References[edit]