The deadliest roads in Wisconsin
US 12 had the most fatal crashes of any numbered road in Wisconsin from 2015 to 2024: 109, with 121 deaths. Over 2022 to 2024 alone, I-94 had the most, 37 against 28 on US 12. The 60 roads listed held 42% of all fatal crashes in Wisconsin from 2015 to 2024; 5 are interstates, 14 US routes, 41 state highways.
161 numbered roads in Wisconsin recorded a fatal crash in those years; the 60 with 5 or more are ranked below, and 18 have a page of their own. All fatal crashes in Wisconsin.
Every numbered road in Wisconsin, ranked by fatal crashes
| Road | Kind | Fatal crashes | Deaths | 2022 to 2024 | Counties with the most | |
|---|---|---|---|---|---|---|
| 1 | US 12 | US route | 109 | 121 | 28 | Dane, Walworth, Eau Claire |
| 2 | I-94 | Interstate | 104 | 119 | 37 | Waukesha, St. Croix, Milwaukee |
| 3 | I-41 | Interstate | 92 | 101 | 26 | Milwaukee, Washington, Outagamie |
| 4 | State Highway 35 | State highway | 82 | 92 | 27 | Polk, Pierce, St. Croix |
| 5 | I-43 | Interstate | 79 | 93 | 28 | Manitowoc, Milwaukee, Ozaukee |
| 6 | State Highway 32 | State highway | 76 | 79 | 25 | Kenosha, Racine, Oconto |
| 7 | US 151 | US route | 71 | 80 | 23 | Dane, Dodge, Fond du Lac |
| 8 | US 51 | US route | 69 | 72 | 18 | Dane, Rock, Oneida |
| 9 | US 45 | US route | 64 | 67 | 19 | Fond du Lac, Washington, Waupaca |
| 10 | I-39 | Interstate | 63 | 72 | 21 | Dane, Rock, Columbia |
| 11 | US 14 | US route | 59 | 65 | 19 | Rock, Dane, La Crosse |
| 12 | US 8 | US route | 57 | 63 | 15 | Polk, Barron, Rusk |
| 13 | US 10 | US route | 55 | 66 | 17 | Waupaca, Portage, Wood |
| 14 | State Highway 29 | State highway | 51 | 57 | 14 | Shawano, Marathon, Chippewa |
| 15 | State Highway 13 | State highway | 48 | 51 | 16 | Adams, Price, Marathon |
| 16 | State Highway 11 | State highway | 47 | 53 | 15 | Racine, Walworth, Green |
| 17 | US 53 | US route | 47 | 49 | 14 | Douglas, La Crosse, Eau Claire |
| 18 | State Highway 33 | State highway | 46 | 54 | 12 | Dodge, Columbia, Sauk |
| 19 | I-90 | Interstate | 43 | 52 | 10 | Sauk, Juneau, Monroe |
| 20 | US 18 | US route | 43 | 46 | 17 | Milwaukee, Iowa, Waukesha |
| 21 | State Highway 57 | State highway | 40 | 45 | 14 | Milwaukee, Door, Sheboygan |
| 22 | State Highway 145 | State highway | 39 | 44 | 16 | Milwaukee |
| 23 | State Highway 190 | State highway | 38 | 43 | 17 | Milwaukee, Waukesha |
| 24 | State Highway 23 | State highway | 37 | 42 | 10 | Fond du Lac, Sauk, Sheboygan |
| 25 | State Highway 73 | State highway | 37 | 39 | 7 | Wood, Clark, Waushara |
| 26 | State Highway 16 | State highway | 35 | 39 | 9 | Jefferson, Dodge, Columbia |
| 27 | State Highway 54 | State highway | 34 | 38 | 8 | Wood, Outagamie, Portage |
| 28 | US 63 | US route | 30 | 33 | 10 | Pierce, Polk, St. Croix |
| 29 | State Highway 59 | State highway | 30 | 31 | 7 | Waukesha, Rock, Milwaukee |
| 30 | State Highway 175 | State highway | 29 | 30 | 12 | Milwaukee, Washington, Fond du Lac |
| 31 | US 41 | US route | 29 | 30 | 10 | Oconto, Marinette, Milwaukee |
| 32 | State Highway 21 | State highway | 28 | 34 | 9 | Waushara, Winnebago, Monroe |
| 33 | State Highway 70 | State highway | 27 | 31 | 8 | Burnett, Oneida, Price |
| 34 | State Highway 27 | State highway | 26 | 33 | 7 | Sawyer, Chippewa, Rusk |
| 35 | State Highway 100 | State highway | 26 | 28 | 13 | Milwaukee |
| 36 | US 2 | US route | 26 | 28 | 11 | Ashland, Bayfield, Florence |
| 37 | State Highway 81 | State highway | 26 | 26 | 8 | Rock, Green, Lafayette |
| 38 | State Highway 64 | State highway | 25 | 33 | 4 | Chippewa, St. Croix, Lincoln |
| 39 | State Highway 60 | State highway | 25 | 29 | 7 | Columbia, Dodge, Sauk |
| 40 | State Highway 47 | State highway | 23 | 29 | 4 | Shawano, Outagamie, Oneida |
| 41 | State Highway 181 | State highway | 23 | 26 | 5 | Milwaukee, Ozaukee |
| 42 | State Highway 26 | State highway | 22 | 24 | 9 | Fond du Lac, Rock, Jefferson |
| 43 | State Highway 67 | State highway | 21 | 22 | 8 | Waukesha, Walworth, Dodge |
| 44 | State Highway 20 | State highway | 20 | 22 | 2 | Racine, Walworth |
| 45 | US 141 | US route | 20 | 21 | 5 | Brown, Marinette, Oconto |
| 46 | State Highway 113 | State highway | 19 | 23 | 4 | Dane, Sauk, Columbia |
| 47 | State Highway 31 | State highway | 17 | 20 | 7 | Kenosha, Racine |
| 48 | State Highway 50 | State highway | 17 | 20 | 2 | Kenosha, Walworth |
| 49 | State Highway 38 | State highway | 17 | 17 | 6 | Milwaukee, Racine |
| 50 | State Highway 22 | State highway | 16 | 19 | 3 | Oconto, Waupaca, Marquette |
| 51 | State Highway 48 | State highway | 16 | 19 | 5 | Barron, Burnett, Polk |
| 52 | State Highway 80 | State highway | 16 | 19 | 4 | Juneau, Grant, Richland |
| 53 | State Highway 241 | State highway | 16 | 18 | 7 | Milwaukee |
| 54 | State Highway 42 | State highway | 16 | 17 | 8 | Door, Kewaunee, Sheboygan |
| 55 | US 61 | US route | 15 | 15 | 3 | Grant, Crawford |
| 56 | State Highway 49 | State highway | 14 | 16 | 3 | Waushara, Fond du Lac, Marathon |
| 57 | State Highway 69 | State highway | 14 | 16 | 3 | Green, Dane |
| 58 | State Highway 55 | State highway | 14 | 14 | 2 | Menominee, Outagamie, Calumet |
| 59 | State Highway 83 | State highway | 14 | 14 | 0 | Waukesha, Washington, Racine |
| 60 | State Highway 17 | State highway | 13 | 15 | 6 | Lincoln, Oneida, Vilas |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Download every numbered road in Wisconsin as CSV. Free to reuse with credit: “Fatal Crash Data, fatalcrashdata.com/deadliest-roads/wisconsin/, from NHTSA FARS (2024 Annual Report File).”
Interstates in Wisconsin per mile
Fatal crashes a year per 100 miles of road, 2015 to 2024, for interstates with 20 miles or more in Wisconsin. Crashes per mile of road, not per vehicle. Mileage from the FHWA Interstate route log.
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about the deadliest roads in Wisconsin
- What is the deadliest road in Wisconsin?
- US 12 had the most fatal crashes of any numbered road in Wisconsin from 2015 to 2024: 109, with 121 deaths. I-94 was second with 104 and I-41 third with 92. Source: NHTSA's Fatality Analysis Reporting System (FARS).
- Which interstate in Wisconsin is the most dangerous per mile?
- I-41, with 5.3 fatal crashes a year per 100 miles over 2015 to 2024 on 174 miles. That is crashes per mile of road, not per vehicle.
- How many fatal crashes in Wisconsin happen on numbered roads?
- 2,649 of 5,431 fatal crashes in Wisconsin from 2015 to 2024 (49%) were filed on an interstate, US or state route; the rest were on county roads, city streets and unnamed roads, which are in the state's total but not ranked here.
Where the Wisconsin road numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash filed on a numbered interstate, US or state route in Wisconsin, read from the road name NHTSA filed, with ramps, frontage and service roads left out. A road gets its own page with 15 or more fatal crashes from 2022 to 2024. The full method.