The deadliest roads in Utah
I-15 had the most fatal crashes of any numbered road in Utah from 2015 to 2024: 261, with 303 deaths. The 60 roads listed held 60% of all fatal crashes in Utah from 2015 to 2024; 5 are interstates, 7 US routes, 48 state highways.
173 numbered roads in Utah recorded a fatal crash in those years; the 60 with 5 or more are ranked below, and 9 have a page of their own. All fatal crashes in Utah.
Every numbered road in Utah, ranked by fatal crashes
| Road | Kind | Fatal crashes | Deaths | 2022 to 2024 | Counties with the most | |
|---|---|---|---|---|---|---|
| 1 | I-15 | Interstate | 261 | 303 | 71 | Salt Lake, Utah, Box Elder |
| 2 | US 89 | US route | 186 | 204 | 58 | Salt Lake, Utah, Cache |
| 3 | I-80 | Interstate | 88 | 93 | 26 | Tooele, Salt Lake, Summit |
| 4 | State Highway 68 | State highway | 74 | 78 | 23 | Salt Lake, Utah, Davis |
| 5 | I-70 | Interstate | 67 | 82 | 18 | Emery, Sevier, Grand |
| 6 | US 6 | US route | 67 | 79 | 24 | Utah, Emery, Carbon |
| 7 | US 40 | US route | 61 | 74 | 19 | Wasatch, Uintah, Duchesne |
| 8 | US 191 | US route | 40 | 48 | 19 | Grand, San Juan, Carbon |
| 9 | State Highway 126 | State highway | 34 | 36 | 15 | Davis, Weber |
| 10 | I-215 | Interstate | 30 | 34 | 10 | Salt Lake, Davis |
| 11 | State Highway 201 | State highway | 28 | 30 | 5 | Salt Lake |
| 12 | I-84 | Interstate | 28 | 29 | 5 | Morgan, Box Elder, Davis |
| 13 | State Highway 154 | State highway | 27 | 28 | 4 | Salt Lake, Utah |
| 14 | State Highway 171 | State highway | 27 | 28 | 5 | Salt Lake |
| 15 | State Highway 18 | State highway | 25 | 30 | 8 | Washington |
| 16 | State Highway 39 | State highway | 24 | 26 | 7 | Weber, Cache, Rich |
| 17 | US 91 | US route | 24 | 26 | 3 | Cache, Box Elder, Washington |
| 18 | State Highway 85 | State highway | 22 | 26 | 10 | Salt Lake |
| 19 | US 189 | US route | 22 | 23 | 6 | Wasatch, Utah |
| 20 | State Highway 71 | State highway | 21 | 24 | 10 | Salt Lake |
| 21 | State Highway 36 | State highway | 21 | 21 | 4 | Tooele |
| 22 | State Highway 30 | State highway | 16 | 17 | 5 | Box Elder, Cache, Rich |
| 23 | State Highway 173 | State highway | 15 | 16 | 1 | Salt Lake |
| 24 | State Highway 9 | State highway | 14 | 16 | 4 | Washington, Kane |
| 25 | State Highway 24 | State highway | 13 | 13 | 4 | Wayne, Sevier, Piute |
| 26 | State Highway 92 | State highway | 13 | 13 | 6 | Utah |
| 27 | State Highway 73 | State highway | 12 | 14 | 3 | Utah, Tooele |
| 28 | State Highway 193 | State highway | 12 | 12 | 4 | Davis |
| 29 | State Highway 89 | State highway | 12 | 12 | 1 | Kane, Garfield, Sanpete |
| 30 | State Highway 40 | State highway | 11 | 15 | 2 | Wasatch, Duchesne |
| 31 | State Highway 191 | State highway | 11 | 14 | 2 | Grand, San Juan, Duchesne |
| 32 | State Highway 67 | State highway | 11 | 13 | 3 | Davis |
| 33 | State Highway 172 | State highway | 11 | 12 | 4 | Salt Lake |
| 34 | State Highway 108 | State highway | 11 | 11 | 4 | Weber, Davis |
| 35 | State Highway 132 | State highway | 10 | 13 | 3 | Juab, Sanpete, Millard |
| 36 | State Highway 235 | State highway | 10 | 11 | 1 | Weber |
| 37 | State Highway 6 | State highway | 10 | 10 | 3 | Carbon, Utah, Millard |
| 38 | State Highway 162 | State highway | 9 | 9 | 3 | San Juan |
| 39 | State Highway 167 | State highway | 9 | 9 | 4 | Weber, Morgan |
| 40 | State Highway 203 | State highway | 9 | 9 | 2 | Weber |
| 41 | State Highway 59 | State highway | 9 | 9 | 3 | Washington |
| 42 | State Highway 56 | State highway | 8 | 13 | 1 | Iron |
| 43 | US 163 | US route | 8 | 12 | 4 | San Juan |
| 44 | State Highway 35 | State highway | 8 | 10 | 0 | Wasatch, Duchesne |
| 45 | State Highway 13 | State highway | 8 | 8 | 1 | Box Elder |
| 46 | State Highway 14 | State highway | 8 | 8 | 4 | Kane, Iron |
| 47 | State Highway 204 | State highway | 8 | 8 | 3 | Weber |
| 48 | State Highway 252 | State highway | 8 | 8 | 3 | Cache |
| 49 | State Highway 12 | State highway | 7 | 11 | 2 | Garfield, Wayne |
| 50 | State Highway 102 | State highway | 7 | 8 | 4 | Box Elder |
| 51 | State Highway 130 | State highway | 7 | 8 | 2 | Iron, Beaver |
| 52 | State Highway 186 | State highway | 7 | 8 | 3 | Salt Lake |
| 53 | State Highway 10 | State highway | 7 | 7 | 1 | Emery, Carbon |
| 54 | State Highway 114 | State highway | 7 | 7 | 0 | Utah |
| 55 | State Highway 210 | State highway | 7 | 7 | 3 | Salt Lake |
| 56 | State Highway 165 | State highway | 6 | 7 | 1 | Cache |
| 57 | State Highway 266 | State highway | 6 | 7 | 1 | Salt Lake |
| 58 | State Highway 112 | State highway | 6 | 6 | 4 | Tooele |
| 59 | State Highway 190 | State highway | 6 | 6 | 1 | Salt Lake |
| 60 | State Highway 209 | State highway | 6 | 6 | 1 | Salt Lake |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Interstates in Utah per mile
Fatal crashes a year per 100 miles of road, 2015 to 2024, for interstates with 20 miles or more in Utah. Crashes per mile of road, not per vehicle. Mileage from the FHWA Interstate route log.
| Road | Per 100 miles a year | Fatal crashes | Miles | |
|---|---|---|---|---|
| 1 | I-15 | 6.43 | 261 | 406 |
| 2 | I-80 | 4.52 | 88 | 195 |
| 3 | I-70 | 2.89 | 67 | 232 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about fatal crashes in Utah
- What is the deadliest road in Utah?
- I-15 had the most fatal crashes of any numbered road in Utah from 2015 to 2024: 261, with 303 deaths. US 89 was second with 186 and I-80 third with 88.
- Which interstate in Utah is the most dangerous per mile?
- I-15, with 6.43 fatal crashes a year per 100 miles over 2015 to 2024 on 406 miles. That is crashes per mile of road, not per vehicle.
- How many fatal crashes in Utah happen on numbered roads?
- 1,779 of 2,577 fatal crashes in Utah from 2015 to 2024 (69%) 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 Utah 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 Utah, 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.