Illinois Route 177

Illinois Route 177
Route information
	Maintained by IDOT
Length	47.59 mi[1] (76.59 km)
Existed	1924[2] – present
Major junctions
West end	IL 13 / IL 158 in Belleville
	I-64 in Okawville
East end	US 51 in Irvington
Location
Counties	St. Clair, Washington, Clinton
Highway system

Illinois Route 177 is an east–west state road in southern Illinois. It runs from Illinois Route 13 in Belleville to U.S. Route 51 in Irvington. This is a distance of 47.59 miles (76.59 km).^[1]

Route description

Illinois 177 overlaps Illinois Route 160 for about 9 miles (14 km)^[3] from south of New Baden to Okawville.

History

SBI Route 177 originally ran from New Minden to Okawville. It was extended east to Irvington in 1953, replacing Illinois Route 153. In 1967, it was extended west to Belleville on an old routing of Illinois Route 15.^[2]

Major Intersections

County	Location	mi^[4]	km	Destinations	Notes
St. Clair	Belleville	0.0	0.0	IL 13 / IL 158 west – East St. Louis, Columbia, Pinckneyville	West end of IL 158 concurrency
		6.3	10.1	IL 158 east – Scott Air Force Base	East end of IL 158 concurrency
	Mascoutah	10.2	16.4	IL 4 (Jefferson St)
Clinton		16.2	26.1	IL 160 north – Highland	West end of IL 160 concurrency
Washington	Okawville	25.1	40.4	IL 160 south (S Front St) – Addieville	East end of IL 160 concurrency
	Okawville	26.6	42.8	I-64 – East St. Louis, Mt. Vernon	I-64 exit 41
	New Minden	35.3	56.8	IL 127 – Carlyle, Nashville
		47.59	76.59	US 51	interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

References

1 2 Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
1 2 Carlson, Rich (2005-04-15). "Illinois Highways Page: Routes 161 thru 180". Retrieved 2006-12-11.
↑ Google Maps estimate
↑ Google (March 12, 2017). "Overview Map of IL 177" (Map). Google Maps. Google. Retrieved March 12, 2017.

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[t2-1] 1 2 Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.

[n9jig-2] 1 2 Carlson, Rich (2005-04-15). "Illinois Highways Page: Routes 161 thru 180". Retrieved 2006-12-11.

[3] Google Maps estimate

[Google_Maps-4] Google (March 12, 2017). "Overview Map of IL 177" (Map). Google Maps. Google. Retrieved March 12, 2017.