Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 52.05 mi[1] (83.77 km) | |||
Existed | 1935[2]–present | |||
Major junctions | ||||
West end | IL 143 in Alton | |||
I-55 in Hamel | ||||
East end | US 40 near Mulberry Grove | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Madison, Bond, Fayette | |||
Highway system | ||||
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Illinois Route 140 (IL 140) is a 52.05-mile-long (83.77 km) east–west highway with its western terminus at Illinois Route 143 in Alton and its eastern terminus at U.S. Route 40 (US 40) near Mulberry Grove. It also overlaps IL 111 in Alton and IL 127 in Greenville.[1]
Although this route may appear to be a derivative of US 40, it does not follow any of the old US 40 alignment except for a portion of the Historic National Road in Fayette County from US 40 to Vandalia. IDOT has since truncated the eastern end of Route 140 to the town of Mulberry Grove with the intersection of US 40.
In 2007, IDOT decommissioned the portion of Route 140 from near the Bond and Fayette County line at Mulberry Grove, east to Vandalia. While that section of highway is no longer marked for Route 140, the state still maintains its Historic National Road signage.