Illinois Route 109 (IL 109) is a minor north–south state road in southwest

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 3 Illinois Route 3 (IL 3) is a major north–south arterial state highway in southwestern Illinois. It has its southern terminus at Cairo Junction (about north of Cairo) at the intersection of U.S. Route 51 (US 51) and Illinois Ro ...

east of Newbern north to

U.S. Route 67 U.S. Route 67 is a major north–south U.S. highway which extends for 1,560 miles (2,511 km) in the Central United States. The southern terminus of the route is at the United States-Mexico border in Presidio, Texas, where it continues so ...

in Jerseyville.

Route description

Illinois 109 is a two-lane, undivided surface road in Jersey County for its entire length. Traveling northbound from IL 3, it goes directly north for a short distance, and then curves. Right after these curves, it passes by unincorporated McClusky, and resumes traveling due north for the remainder of its length. Within the town of Jerseyville, it picks up the name McClusky Road. Its northern terminus is at US 67 (State Street) in Jerseyville.

History

SBI Route 109 originally ran from Grafton to East Newbern (at the corner of modern-day Illinois 3 and Illinois 109) on what is now Illinois 3. In 1947, U.S. 67 was rerouted through

New Delhi New Delhi (, , ''Naī Dillī'') is the capital of India and a part of the National Capital Territory of Delhi (NCT). New Delhi is the seat of all three branches of the government of India, hosting the Rashtrapati Bhavan, Parliament House ...

— the former alignment became

Illinois Route 100 Illinois Route 100 (IL-100) is a state highway in the southwest Illinois. It generally parallels the Illinois River. Starting in downtown Alton, it trends northward to Buckheart Township near Canton. It makes up much of the Illinois River Roa ...

south of East Newbern, and Illinois 109 north. In 1987, Illinois 3 took over the 1924 routing of Illinois 109 when Illinois 100 was moved onto a new highway south of Grafton.Carlson, Rich
Illinois Highways Page: Routes 101 thru 120
Last updated March 15, 2005. Retrieved May 1, 2006. In 1987 IDOT announced that the segment of IL 109 from Route 3 to Jerseyville would become an unmarked state highwayAlton Telegraph, November 26, 1987 but it remains IL 109 as of today.

Junction list

References

{{Attached KML, display=inline,title 109 Jerseyville, Illinois Transportation in Jersey County, Illinois