Interstate 90 in Wisconsin

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This article is about the section of Interstate 90 in Wisconsin. For the entire length of the highway, see Interstate 90.

Interstate 90 marker

Interstate 90
Route information
Maintained by WisDOT
Length: 187.13 mi[1] (301.16 km)
Major junctions
West end: I-90 at Minnesota state line
  US 53 in La Crosse
I-94 in Tomah
I-39 in Portage
US 51 in Madison
US 151 in Madison
I-94 in Madison
US 12 / US 18 in Madison
US 14 in Janesville
I-43 in Beloit
East end: I-39 / I-90 at Illinois state line
Location
Counties: La Crosse, Monroe, Juneau, Sauk, Columbia, Dane, Rock
Highway system
WIS 89 WIS 91

Interstate 90 (I-90) runs east–west through the western, central and southern portions of the U.S. state of Wisconsin. About 187 miles (301 km) of I-90 lie in the state.

Route description[edit]

Interstate 90 entering Wisconsin near La Crosse

The highway enters from Minnesota over the Mississippi River just northwest of La Crosse. The freeway passes north of La Crosse and south of Onalaska as it heads towards Tomah. Once there, it joins I-94. The two Interstates run concurrently for the next 91.76 miles (147.67 km) to Madison. The highway collects Interstate 39, 63 miles (101 km) southeast of Tomah (near Portage). This concurrency of about 30 miles (48 km) is the only three-route concurrency of the Interstate Highway System existence. I-39 continues along I-90 for the remaining 78 miles (126 km) in Wisconsin.

I-94 breaks away eastward toward Milwaukee at what is commonly known as the Badger Interchange, where the three Interstates meet with WIS 30. The remaining routes continue south to Janesville and Beloit before exiting the state.

Exit list[edit]

County Location Mile[1] km Exit Destinations Notes
Mississippi River 0.00 0.00 I-90 west Continuation into Minnesota
La Crosse Town of Campbell 1.96 3.15 2 CTH-B – French Island
La Crosse 2.87 4.62 3 US 53 south / WIS 35 – La Crosse, Onalaska Western end of US 53 overlap; signed as exits 3A and 3B eastbound
4.43 7.13 4 US 53 north / WIS 157 – La Crosse, Onalaska Eastern end of US 53 overlap
5.74 9.24 5 WIS 16 – Onalaska, West Salem
Town of Hamilton 11.78 18.96 12 CTH-C – West Salem
Bangor 15.57 25.06 15 WIS 162 – Bangor, Coon Valley
Monroe Sparta 24.91 40.09 25 WIS 27 – Sparta, Melvina
Town of Angelo 28.18 45.35 28 WIS 16 – Sparta
Town of Tomah 41.42 66.66 41 WIS 131 – Tomah, Wilton
Tomah 43.32 69.72 43 US 12 / WIS 16 – Tomah
Town of Oakdale 45.10 72.58 45 I-94 west – Eau Claire, St. Paul Western end of I-94 overlap
  48.60 78.21 48 CTH-PP – Oakdale
Juneau Camp Douglas 55.03 88.56 55 CTH-C – Camp Douglas, Volk Field
New Lisbon 61.46 98.91 61 WIS 80 – New Lisbon
Town of Lemonweir 69.02 111.08 69 WIS 82 – Mauston, Oxford
Lyndon Station 78.97 127.09 79 CTH-HH – Lyndon Station
Town of Lyndon 85.40 137.44 85 US 12 / WIS 16 – Wisconsin Dells
Sauk Wisconsin Dells 87.22 140.37 87 WIS 13 – Wisconsin Dells
Lake Delton 89.80 144.52 89 WIS 23 – Lake Delton, Reedsburg
Town of Delton 93.13 149.88 92 US 12 – Baraboo, Lake Delton
Columbia Town of Caledonia 105.73 170.16 106 WIS 33 – Portage, Baraboo
108.16 174.07 108A WIS 78 – Merrimac
108.59 174.76 108B I-39 north – Portage, Wausau Western end of I-39 overlap
Town of Dekorra 115.21 185.41 115 CTH-CS – Poynette, Lake Wisconsin
Town of Arlington 119.20 191.83 119 WIS 60 – Lodi, Arlington
Dane Town of Vienna 126.25 203.18 126 CTH-V – Dane, De Forest
Community of Windsor 130.46 209.96 131 WIS 19 – Waunakee, Sun Prairie
Town of Burke 131.98 212.40 132 US 51 – Madison, De Forest
Madison 135.21 217.60 135A US 151 south – Madison
135.24 217.65 135B US 151 north – Sun Prairie
Town of Burke 135.45 217.99 135C High Crossing Boulevard Westbound exit and eastbound entrance
137.24 220.87 138A I-94 east – Milwaukee Eastern end of I-94 overlap
Madison 137.59 221.43 138B WIS 30 west – Madison
Town of Blooming Grove 141.43 227.61 142 US 12 / US 18 – Madison, Cambridge Signed as exits 142A (west) and 142B (east)
Town of Pleasant Springs 146.80 236.25 147 CTH-N – Stoughton, Cottage Grove
Town of Christiana 155.90 250.90 156 US 51 north – Stoughton, Deerfield Northern end of US 51 overlap
Town of Albion 159.64 256.92 160 US 51 south / WIS 73 / WIS 106 – Edgerton Souther end of US 51 overlap
Rock Town of Fulton 162.57 261.63 163 WIS 59 – Edgerton, Milton
Janesville 170.81 274.89 171A WIS 26 north – Milton
171.52 276.03 171B US 14 west / WIS 26 south – Janesville
171.57 276.12 171C US 14 east
174.71 281.17 175A Racine Street (US 14 Bus. west)
174.73 281.20 175B WIS 11 east (US 14 Bus. east) – Delavan Northern end of WIS 11 overlap
Town of La Prairie 177.22 285.21 177 WIS 11 west – Janesville, Avalon Southern end of WIS 11 overlap
Town of Turtle 182.41 293.56 183 CTH-S (Shopiere Road)
184.70 297.25 185A WIS 81 west – Beloit
184.68 297.21 185B I-43 north – Milwaukee
187.13 301.16 I-39 south / I-90 east – Rockford Continuation into Illinois
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ a b Southwest Region Staff (December 31, 2008). State Trunk Highway Log for Southwest Region (XLS). Madison, WI: Wisconsin Department of Transportation. 090E. 

External links[edit]

Route map: Google / Bing

Media related to Interstate 90 in Wisconsin at Wikimedia Commons

  • I-90 at Wisconsin Highways
Interstate 90
Previous state:
Minnesota
Wisconsin Next state:
Illinois