Wisconsin Highway 20

State Trunk Highway 20 (often called Highway 20, STH 20 or WIS 20) is a state highway in the U.S. state of Wisconsin. The route is a short connector that bridges the city of Whitewater and points west (via U.S. Route 12) with East Troy, Waterford and Racine. WIS 20 is a two-lane surface road with various four-lane roads within cities.

State Trunk Highway 20
Route information
Maintained by WisDOT
Length42.95 mi[1] (69.12 km)
Major junctions
West end US 12 / WIS 67 in LaGrange
  I-43 in East Troy
US 45 in Union Grove
I-41 / I-94 / US 41 in Mt. Pleasant
East end WIS 32 in Racine
Location
CountiesWalworth, Racine
Highway system
← WIS 19WIS 21 →

Route description

WIS 20 begins at the junction of US 12 and WIS 67 and proceeds east, going south around a junction with CTH J one and one-half miles east of the terminus and bypassing the small community of Troy Center. WIS 20 connects with I-43 in East Troy, then meanders eastward into Racine County[2] WIS 20 provides indirect access to Alpine Valley Music Theater which is south of the village just off WIS 120[3] WIS 20 merges with WIS 83 east on the west side of Waterford and both highways turn southeast into the village. WIS 83 splits to the south at WIS 20's junction with WIS 36 in Rochester. From here, WIS 20 turns east again, where it becomes Washington Avenue. WIS 20 connects with WIS 75 and crosses US 45 in the town of Yorkville.

WIS 20 has an interchange with I-94 and US 41 in Ives Grove.[4] and enters Mount Pleasant upon crossing the Interstate, following Washington Avenue.[5] WIS 20 crosses WIS 31 while in Mount Pleasant, then enters converges with WIS 32 just southwest of downtown Racine. The two routes follow Washington Avenue northeast and turn east onto the one-way 7th Street. WIS 20 completes a loop to turn around onto westbound one-way 6th Street as WIS 32 turns north onto Main Street in downtown Racine. These intersections form the eastern terminus of WIS 20.[6]

History

The section between Rochester and Racine existed since the dawn of the Wisconsin highway system in 1917.[7] WIS 20 was routed southwest along WIS 36 to Burlington, then west from there along present day WIS 11, not including the Janesville or Monroe bypasses. The route also passed through Gratiot, Delavan, and Elkhorn.[8][9] The western terminus at the time was at the Illinois border at East Dubuque.[7] The route was scaled back to end at Rochester in 1934 when US 14 replaced WIS 11's original alignment. This was also done to avoid a possible conflict with U.S. Route 20 running parallel in Illinois.[10] The western segment from La Grange to Rochester was added in 1947.[1]

Major intersections
CountyLocationmikmDestinationsNotes
WalworthTown of La Grange US 12 / WIS 67 – Whitewater, Eagle, Elkhorn
CTH-J
East Troy I-43 – Milwaukee, Beloit
RacineWaterford WIS 83 north – MukwonagoWIS 83 South follow WIS 20 East
Rochester WIS 36 / WIS 83 south – Muskego, Milwaukee, BurlingtonWIS 83 North follow WIS 20 West
Town of Dover WIS 75 south / CTH-S – Kansasville
Yorkville US 45 – Muskego, Milwaukee, Union GroveUS 45 South follows WIS 20 East and US 45 North follows WIS 20 West for about 1 mile
Ives Grove CTH-C
I-41 / I-94 / US 41 – Milwaukee, Chicago
Mount Pleasant WIS 31 – Milwaukee, Kenosha
Racine WIS 32 / LMCT (Racine St)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
  1. Bessert, Chris. "Wisconsin Highways: Highways 20-29 (Highway 20)". Wisconsin Highways. Retrieved 2007-03-20.
  2. Walworth Co (pdf) (Map). Wisconsin Department of Transportation. Retrieved 2008-01-03.
  3. Google (2008-01-03). "Alpine Valley Music Theater, East Troy, Wisconsin" (Map). Google Maps. Google. Retrieved 2008-01-03.
  4. Racine Co (pdf) (Map). Wisconsin Department of Transportation. Retrieved 2008-01-03.
  5. Google (2008-01-03). "Washington Ave, Racine, Wisconsin, United States" (Map). Google Maps. Google. Retrieved 2008-01-03.
  6. Google (2008-01-03). "Racine, Wisconsin, United States" (Map). Google Maps. Google. Retrieved 2008-01-03.
  7. Bulletin 9. Wisconsin Highway Commission. 1920. Retrieved 2008-01-08.
  8. "Original State Trunk Highway System in Wisconsin". Southeast Wisconsin Regional Planning Commission. 1918. Retrieved 2008-01-08.
  9. "Rand McNally Auto Road Atlas". Rand McNally. 1926. Retrieved 2007-12-31.
  10. "Change Number Of Highway To Avoid Conflict". The Sheboygan Press. 1934-04-26.

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