Southwest Region Highway Projects and Studies

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This webpage contains projects under construction and design, along with studies for the Wisconsin Department of Transportation (WisDOT), Division of Transportation Systems Development (DTSD) for the Southwest Region.​​​

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Construction Projects | Design Projects | Studies (no construction activity)

Construction Projects

​View active Southwest Region​ construction projects (511 Wisconsin Construction Projects).​

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Design Projects

​ Columbia County | Crawford County | Dane County | Dodge County | Grant County | Green County | Iowa County | Jefferson County | Juneau County | La Crosse County | Lafayette County | Monroe County | Richland County | Rock County | Sauk County | Vernon County

Columbia County

• I-39 (Hogan Road Bridges), between Portage and Packwaukee - Columbia County
• I-39 (I-90/94/78 to the Wisconsin River), between Madison and Packwaukee - Columbia County
• I-39 Bridge Replacement (Grotzke Road Bridge) - Columbia County
• I-39 median (Baraboo River to County O), Portage - Columbia County
• I-39/90/94 Bridge over Wisconsin River - Columbia County
  
  
• I-39/90/94 and WIS 60 Interchange - Columbia County
  
• US 51 (Tomlinson Road to Ontario Street), DeForest to Portage - Columbia County
• WIS 16 (US 51 to Lincoln Avenue and ​Lincoln Avenue to Fall River-Columbus Road), Columbus to Portage - Columbia County
• WIS 22 / WIS 60 / US 51 Intersections, Town of Leeds - Columbia County
• WIS 33 (West of Morris Drive to WIS 73), Portage to Fox Lake - Columbia County
  
  
• WIS 33 bridge over I-90/94​, west of Portage - Columbia County
• WIS 44 bridge over Fox River, northeast of Marcellon - Columbia County
• WIS 44 (WIS 33 to County HH), Marcellon to Dalton - Columbia County
• WIS 60 (Riddle Rd to Clark St), Lodi - Columbia County
• WIS 60 (WIS 22 to Commerce Drive), between Arlington and Columbus - Columbia County
  
  
• WIS 73 (North Village Limits in Marshall to Deansville Road), Marshall to Columbus - Dane and Columbia counties
• WIS 78 (Elma Ave to County DL and​ Box Culvert repairs), Sauk City to I-39 - Columbia and Sauk counties
• WIS 89 (Avalon Street to WIS 73), Columbus - Columbia County
  
  
• WIS 113 (WIS 60 to WIS 188), between Lodi and Merrimac - Columbia County
• WIS 113 (County J to WIS 188)​, between Lodi and Merrimac - Columbia County
• WIS 146 (WIS 16 to WIS 33)​, Fall River to Cambria - Columbia County

Crawford County

• US 18 (South Town Ln and Selch Rd Intersection), Prairie du Chien - Crawford County
• US 18 bridges over Mississippi River​, Prairie du Chien - Crawford County
• WIS 27 (County C to N Brookville Rd), between Fairview and ​Viroqua - Vernon and Crawford counties
• WIS 27 (Northwest Ave to County C), between Prairie du Chien and Viroqua - Crawford County
• WIS 35 (County N to County E), between Prairie du Chien and Ferryville – Crawford County

• WIS 35 (Old Highway 35 to WIS 56), Ferryville to Genoa – Crawford and Vernon Counties
• WIS 60 (E Jct Old Hwy 60 to Kickapoo River Bridge), between Bridgeport and Boscobel - Crawford County
• WIS 171 Box Culvert replacement, near Mt. Sterling - Crawford County
• WIS 179 bridge over Kickapoo River, between Eastman and Steuben - Crawford County

Dane County

• I-39/90 patching (US 12/18 to Lien Road), Madison - Dane County
• I-39/90/94 patching (Columbia/Dane County Line to south of County V), Madison - Dane County
• I-94 (County N interchange to Airport Road overpass), Cottage Grove to Lake Mills - Dane and Jefferson counties
• I-94 and WIS 73 interchange, between Madison and Portage - Dane County
  
• US 12/18 and County AB interchange, Madison - Dane County
  
  
• US 14 (County MM Interchange), between Madison and Oregon - Dane County
• US 14 (Oak Street to Walter Road), Arena to Mazomanie - Dane and Iowa Counties
• US 14 (WIS 92 to WIS 138) and US 14/WIS 92 intersection, Madison - Dane County
  
• US 18/151 (Town Hall Rd to Fitchrona Rd), between Mount Horeb and Fitchburg - Dane County
  
• US 51 and County B/AB intersection - Dane County
  
  
• US 51 and Roby Road/Deer Point Drive Intersection, Stoughton - Dane County
• US 51/WIS 138 Intersection and US 51 and Hoel/Silverado Intersection, Stoughton - Dane County
• US 51 northbound (US 151 to Pierstorff Street), Madison to DeForest - Dane County
• WIS 19 and US 151 interchange​, Sun Prairie - Dane County
  
• WIS 19 (Division Street to River Road)​ - Dane County
  
  
• ​WIS 19 (Westmount Drive intersection)​, Sun Prairie - Dane County
  
• WIS 19 (WIS 78 to US 12), Mazomanie to Springfield Corners - Dane County
• WIS 19 (Wood Violet Lane to Maunesha River)​, Sun Prairie to Marshall - Dane County
• WIS 30 (Fair Oaks Avenue to I-39/90/94 interchange), Madison - Dane County
  
• WIS 69 (County D to Valley Road), between New Glarus and Verona - Dane County
  
  
• WIS 73 (Shaul Lane to North Street), Village of Deerfield - Dane County
• WIS 73 (WIS 19 to North Village Limits), Marshall - Dane County
• WIS 73 (North Village Limits in Marshall to Deansville Road), Marshall to Columbus - Dane and Columbia counties
• WIS 78 (US 14 to US 12), Black Earth to Sauk City - Dane County
  
• WIS 78 (Lien Court to County H)​, Blanchardville to south of Daleyville - Lafayette, Iowa, Green and Dane counties​
  
  
• WIS 92 (East Ave. to US 14), between Belleville and Edgerton - Dane and Green counties
  
• WIS 92 (East junction of County G to WIS 69), between Mt Horeb and Brooklyn - Dane County
• WIS 113 northbound lanes (Sunset Lane to County V), Madison to Lodi - Dane County
  
  
• WIS 113/County P/County V intersection, Madison - Dane County
• WIS 113 (County P to County V), between Madison and Lodi - Dane County
• WIS 113 (Knutson Drive to WIS 19), between Madison and Waunakee​ - Dane County
  

Dodge County

• US 151 (WIS 49 interchange area), Waupun - Dodge County
• WIS 16 bridge over Beaver Dam River, Lowell - Dodge County
• WIS 16 bridge over UP (Union Pacific) Railroad, Watertown - Dodge County​​​
• ​WIS 16 bridge (o​ver the Chicago, Milwaukee, St. Paul and Pacific Railroad)​, Elba - Dodge County
• WIS 28/67/175 and County TW Intersection - Dodge County

• WIS 28 (County V to WIS 175), between Horicon and Kewaskum - Dodge County
• WIS 28 (Ellsworth St to North Junction County TW), Horicon - Dodge County
• WIS 60 (County W to WIS 67), between Lowell and Hartford - Dodge County
• WIS 67 (Ruedebusch Ave to County S), between Mayville and Oconomowoc - Dodge County
• WIS 67 (WIS 28 to County H), Lomira - Dodge County​
• WIS 67 (WIS 60 to West Junction County S)​, Dodge County

Grant County​​​

• US 61/WIS 81 intersection, South of Lancaster - Grant County
• US 61 (County U to WIS 133), between Lancaster and Dickeyville - Grant County
• US 61 (Hickory Lane to Alona Lane), Dickeyville to Lancaster - Grant County
• US 61 bridge over Eagle Point Road​ (Kaiser Lane to Sandy Hook Road) - Grant County
• WIS 133 bridge over Green River, between Mt Hope and Boscobel - Grant County

• ​WIS 35 bridge over Blake Fork, Bloomington - Grant County
• WIS 35 (McKinley St to Grant River Bridge), Lancaster - Grant County
• WIS 35 (US 18 to WIS 133), Patch Grove to Bloomington - Grant County
• WIS 80 Corridor Improvements, Hazel Green to Platteville - Grant County
• WIS 80 (BUS 151 to North Cuba City limit), Platteville - Grant County

• WIS 80 (South Cuba City limit to Hazel Green north village limits), Cuba City to Hazel Green - Grant County
• WIS 80 (WIS 11 to Illinois state line) and WIS 11 (West village limits to North village limits), Hazel Green - Grant County
• WIS 81 bridge over Hackett Branch, between Cassville and Lancaster - Grant County
• WIS 81 (County Y to WIS 35), Cassville - Grant County​
• ​WIS 81 (School Street to County Y)​, Cassville - Grant County

Green County

• WIS 39 (County K to York Center Road), Hollandale to New Glarus - Green and Iowa Counties
• WIS 69 intersections (Wittenwyler Road and County C)​, Monticello - Green County
• WIS 69 (Bushnell Creek to Cow Path Lane), Monroe to New Glarus - Green County
• ​WIS 78 (Lien Court to County H)​, Blanchardville to south of Daleyville - Lafayette, Iowa, Green and Dane counties​​
• WIS 92 (East Ave. to US 14), between Belleville and Edgerton - Dane and Green counties

Iowa County

• US 14 (Oak Street to Walter Road)​, Arena to Mazomanie - Dane and Iowa Counties
• US 14 (Wisconsin River to Oak Street), between Spring Green and Madison - Iowa County
• WIS 23 (Minerva Street to Water Street), Darlington to Mineral Point - Lafayette and Iowa County
• WIS 39 (County K to York Center Road)​, Hollandale to New Glarus - Green and Iowa Counties
• WIS 78 (Lien Court to County H)​, Blanchardville to south of Daleyville - Lafayette, Iowa, Green and Dane counties

• WIS 80 (County I to WIS 133), between Cobb and Avoca - Iowa County
• WIS 80 (US 18 to Kennedy Street), Cobb to Avoca - Iowa County
• WIS 80 (Kennedy Street to County I), Highland - Iowa County
• WIS 130 (WIS 133 to WIS 23), Lone Rock - Iowa County
• WIS 130 bridge over Wisconsin River, Lone Rock - Iowa/Richland/Sauk counties

Jefferson County

• I-94 (County N interchange to Airport Road overpass), Cottage Grove to Lake Mills - Dane and Jefferson counties
• I-94 bridges over Newville Road and Rock Lake Road, Lake Mills - Jefferson County
• South Main Street Bridge over Rock River, City of Jefferson - Jefferson County
• US 12 Reconstruction (County M to Whitewater Bypass), City of Fort Atkinson to Whitewater - Jefferson County

• US 12 (Madison Avenue to County M), City of Fort Atkinson - Jefferson County
• US 12/Robert Street Bridge over Rock River, City of Fort Atkinson - Jefferson County
• WIS 19 bridge over Rock River (Water Street to 1st Street), Watertown – Jefferson County
• WIS 89 (E. Blackhawk Drive to US 18), Fort Atkinson – Jefferson County

• WIS 106 (Edgewater Rd to County CI), Fort Atkinson - Jefferson County
  
• WIS 106 (First ​Street to WIS 59), Palmyra - Jefferson County
  

Juneau County

• US 12 (East Monroe County Line to East of A Street), Camp Douglas to New Lisbon - Juneau County
• US 12 (Meadow Lane to east of County J), Lyndon Station - Juneau County
• I-90/94 bridge repairs (24th Ave/Koval Rd bridges over I-90/94), Lyndon Station - Juneau County

• I-90/94 bridge repairs (County M/Welch Prairie Rd bridges over I-90/94), New Lisbon - Juneau County
• WIS 80 (WIS 21 to County Line Road), Necedah to Babcock - Juneau County
• WIS 82 (WIS 80 to County G), Elroy to Mauston - Juneau County

La Crosse County

• I-90 (County C to the East County Line), La Crosse to Sparta - La Crosse County
• I-90 La Crosse area bridges, La Crosse - La Crosse County
  
• US 14/South Ave. (Green Bay St. to Ward Ave.), City of La Crosse - La Crosse County​
  
  
• WIS 16 (La Crosse River bridge to Big Creek Road), between West Salem and Sparta - La Crosse County
• WIS 16/La Crosse St (Oakland St to Losey Boulevard), City of La Crosse - La Crosse County

• WIS 35 (Old Hwy 35/Mallard Ln. to Garner Place), La Crosse - La Crosse County
• WIS 108 (Old 16 Road to Stan Olson Rd. and L Pfaff Rd to R Young Rd), West Salem to Melrose - La Crosse County
• WIS 162 bridge over Dutch Creek, between Bangor and Coon Valley - La Crosse County

Lafayette County

• WIS 11 (City of Shullsburg West Limit to Wolf Creek), Shullsburg to Gratiot - Lafayette County
• WIS 11 bridges over Shullsburg Branch, Shullsburg - Lafayette County
• WIS 23 (Minerva Street to Water Street), Darlington to Mineral Point - Lafayette and Iowa counties
• WIS 78 (WIS 11 to County D), between Gratiot and Wiota, Lafayette County

• WIS 78 (Lien Court to County H), Blanchardville to south of Daleyville - Lafayette, Iowa, Green and Dane counties
• WIS 81 (WIS 23 to Wildcat Rd), Darlington - Lafayette County
• WIS 81 (Wildcat Rd to WIS 78), between Darlington and Argyle - Lafayette County
• WIS 126 (WIS 81 to County G), between Cuba City and Mineral Point - Lafayette County

Monroe County

• I-90/94 (Eastbound US 12 to County C), Tomah to Camp Douglas - Monroe County
• US 12 and Veterans Street intersection, Tomah - Monroe County
• WIS 16 (I-90 Exit 28 interchange area), Sparta to Tomah - Monroe County
• WIS 21 (Eaton Ave to Juneau County Line), Tomah - Monroe County
• WIS 27 (I-90 Exit 25 Interchange area), Sparta - Monroe County

Richland County

• US 14 (Bohmann Drive to County O), Richland Center - Richland County
• WIS 58 (Lee Lake Bridge to WIS 33), Cazenovia to La Valle - Richland and Sauk counties
• WIS 60 (WIS 80 to US 14), Muscoda to Gotham - Richland County
• WIS 80 (Baraboo River West Branch to County C), Hillsboro - Vernon and Richland counties

• WIS 80 (Wisconsin River Bridge to County RC (formally County OO), between Avoca and Richland Center - Richland County
• WIS 130 bridge over Wisconsin River, Lone Rock - Iowa/Richland/Sauk counties
• WIS 154 (WIS 58 to Richland/Sauk County Line), between Richland Center and Reedsburg - Richland County
• WIS 193 (WIS 60 to WIS 80), Muscoda - Richland County

Rock County

• I-43 (County X/Hart Road to East Rock County Line), Clinton - Rock County
• US 51/Center Avenue (Nicolet Street to Court Street)​ Janesville - Rock County
• US 51/Center Avenue intersection with Court/Milwaukee/Centerway, Janesville - Rock County
• WIS 11 Culvert Replacement, between Orfordville and Footville - Rock County
• WIS 11 (2nd Street to County B), Brodhead to Footville - Rock County

• ​ WIS 59 (WIS 104 to WIS 213), Evansville - Rock County
• ​ WIS 67 (Gateway Blvd. to WIS 140), Beloit - Rock County
• WIS 140 (N Ogden Avenue to US 14), Bergen to Emerald Grove - Rock County
• WIS 140 (Bergen to Emerald Grove), Illinois State Line to the Village of Clinton - Rock County​
• WIS 213 (WIS 11 to Burton St), Beloit - Rock County

Sauk County

• I-90/94 (US 12 to Schepps Road, eastbound lanes only), Wisconsin Dells to Portage - Sauk County
• US 12 / Wisconsin Dells Parkway (E. Adams Street to WIS 13)​, Lake Delton to Wisconsin Dells - Sauk County​​
• US 12 (North Sauk County Line to WIS 13), Town of Delton and Wisconsin Dells - Sauk County
• WIS 23 bridges over Honey Creek, between Spring Green and Reedsburg - Sauk County

• ​ WIS 23 (County K to Elder Ridge Rd), Reedsburg - Sauk County
• WIS 23 (County GG to US 14), Spring Green - Sauk County
• WIS 23 (WIS 33 to west of County P), between Reedsburg and Wisconsin Dells - Sauk County
• WIS 23 (WIS 136 intersection), Reedsburg - Sauk County
• WIS 23 (Wisconsin River Bridge to US 14)​, Mineral Point to Spring Green ​- Sauk County

• WIS 33 (La Valle to Sauk County Line) - Sauk County
• WIS 33 (La Valle St. to Preston Ave.), La Valle to Reedsburg - Sauk County
• WIS 33 (Mulberry Street to County T), Baraboo and West Baraboo - Sauk County
• WIS 33 (Preston Ave to WIS 23), Reedsburg - Sauk County​​
  

• WIS 58 (Lee Lake Bridge to WIS 33), Cazenovia to La Valle - Richland and Sauk counties
• WIS 60 (Fox Road to US 12), Sauk City - Sauk County
• WIS 78 (Elma Ave to County DL and Box Culvert repairs), Sauk City to I-39 - Columbia and Sauk counties
• WIS 130 bridge over Wisconsin River, Lone Rock - Iowa/Richland/Sauk Counties
• WIS 136 (County PF to Village of West Baraboo West limit), between Reedsburg and Baraboo - Sauk County

Vernon County

• US 14/61, WIS 27/82, and County T intersection (south of Viroqua) - Vernon C​ounty
• US 14 (High Echo Lane to Locust Street) and US 14/Main Street (WIS 27) intersection, City of Westby - Vernon County
• WIS 27 (County C to N Brookville Rd), between Fairview and Viroqua - Vernon and ​Crawford counties​
• WIS 33 (Kickapoo River bridge to Hillsboro city limit), Ontario to Hillsboro - Vernon County

• WIS 35 (North limits of Stoddard to the North Vernon County line), Genoa to La Crosse – Vernon County
• WIS 35 (Old Highway 35 to WIS 56), Ferryville to Genoa – Crawford and Vernon counties
• WIS 56 bridge over Bishop Branch, between Viroqua and Richland Center - Vernon County
• WIS 56 (Mahoney Road to South Junction WIS 131), Viroqua to Viola - Vernon County

• WIS 80 (Baraboo River West Branch to County C), Hillsboro - Vernon and Richland counties
• WIS 82 (WIS 35 to WIS 27), between DeSoto and Viroqua - Vernon County
• WIS 82 (WIS 56 to the Kickapoo River), between Viroqua and La Farge - Vernon County
• WIS 162 (County KK to US 14), Chaseburg to Coon Valley - Vernon County
• WIS 162 (Stoddard Village park driveway to Depot St), Stoddard - Vernon County​

Studies (no construction activity)​

​Dane County

• US 12/18 (Madison Beltline) Study (US 14 to County N), Middleton to Cottage Grove - Dane County
• US 12 Corridor Study (Ski Hi Road to WIS 19 West), Baraboo to Springfield - Dane County
• US 12 Corridor Study (County N to WIS 26), Cottage Grove to Fort Atkinson - Dane and Jefferson counties
• US 12 Freeway Conversion Study (WIS 19 to Parmenter Street), Springfield to Middleton - Dane County
• US 12/18 Freeway Conversion Study (I-39/90 to County N), Madison to Cottage Grove - Dane County

• US 14 Corridor Preservation Access Study (WIS 78 to US 12/18), Mazomanie to Middleton - Dane County
• US 18/151 Freeway Conversion Study (US 18/151 to County G) - Dane and Iowa counties
• US 51, Stoughton Road Corridor Study (Terminal Drive/Voges Road to I-39/90/94), McFarland to DeForest - Dane County
• US 51 Study (I-39/90 - US 12/18), Stoughton to McFarland - Dane County
• WIS 19 Study (US 12 to WIS 89), Springfield to Waterloo - Dane and Jefferson counties

Dodge County

• US 151 Freeway Conversion Study (WIS 73 to WIS 49), Columbus to Waupun - Dodge County
• WIS 16 Corridor Study (WIS 26 to Wisconsin Ave.), Watertown to Oconomowoc - Dodge County

Iowa County

• US 18/151 Freeway Conversion Study (US 18/151 to County G) - Dane and Iowa counties

Jefferson County

• US 12 Corridor Study (County N to WIS 26), Cottage Grove to Fort Atkinson - Dane and Jefferson counties
• WIS 19 Study (US 12 to WIS 89), Springfield to Waterloo - Dane and Jefferson counties

La Crosse County

• US 53 La Crosse Corridor Safety and Operations Study, City of La Crosse - La Crosse County

View other projects around the state under study or in design.

In This Together

Learn how WisDOT works with businesses located in work zones through the In This Together program.

Contacts

Michael Bie
WisDOT Southwest Region Communications Manager
(608) 246-7928
michael.bie@dot.wi.gov

Steven Theisen
WisDOT Southwest Region Communications Manager
(608) 884-1230
steven.theisen@dot.wi.gov

Wisconsin Department of Transportation
Southwest Region
Madison Office
2101 Wright Street
Madison, WI 53704
Phone: (608) 246-3800
Fax: (608) 246-7996
WI Telecommunications Relay System (TTY): 711
Email: ​swr.dtsd@dot.wi.gov​​​​​​