I-25 in Wyoming: fatal crashes
From 2015 to 2024, 82 fatal crashes on I-25 in Wyoming killed 88 people, the 2nd most of any numbered road in Wyoming. In 2024 there were 10 fatal crashes and 10 deaths on the road.
An interstate running through 5 counties of Wyoming. All fatal crashes in Wyoming. I-25 in every state.
Deaths on I-25 in Wyoming by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 10 | 10 |
| 2023 | 8 | 9 |
| 2022 | 6 | 9 |
| 2021 | 4 | 5 |
| 2020 | 7 | 7 |
| 2019 | 8 | 9 |
| 2018 | 9 | 9 |
| 2017 | 10 | 10 |
| 2016 | 11 | 11 |
| 2015 | 9 | 9 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on I-25 in Wyoming: the counties with the most fatal crashes
Platte County County had the most fatal crashes on I-25 from 2015 to 2024: 30, with 33 deaths. Platte, Converse and Laramie counties together held 73% of fatal crashes in I-25 in Wyoming from 2015 to 2024; the 5 listed held 100%. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Platte County | 1 | 30 | 33 |
| 2 | Converse County | 2 | 16 | 16 |
| 3 | Laramie County | 3 | 14 | 14 |
| 4 | Natrona County | 2 | 13 | 15 |
| 5 | Johnson County | 2 | 9 | 10 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen on I-25 in Wyoming
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 3.7 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes | 4.9 percent, 4 fatal crashes | 1.2 percent, 1 fatal crashes | 3.7 percent, 3 fatal crashes | 4.9 percent, 4 fatal crashes |
| Mon | 1.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 4.9 percent, 4 fatal crashes | 3.7 percent, 3 fatal crashes | 3.7 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes |
| Tue | 0.0 percent, 0 fatal crashes | 2.4 percent, 2 fatal crashes | 1.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 3.7 percent, 3 fatal crashes |
| Wed | 2.4 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 1.2 percent, 1 fatal crashes | 6.1 percent, 5 fatal crashes | 1.2 percent, 1 fatal crashes | 2.4 percent, 2 fatal crashes |
| Thu | 1.2 percent, 1 fatal crashes | 2.4 percent, 2 fatal crashes | 1.2 percent, 1 fatal crashes | 4.9 percent, 4 fatal crashes | 2.4 percent, 2 fatal crashes | 2.4 percent, 2 fatal crashes |
| Fri | 2.4 percent, 2 fatal crashes | 2.4 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 2.4 percent, 2 fatal crashes | 1.2 percent, 1 fatal crashes | 1.2 percent, 1 fatal crashes |
| Sat | 1.2 percent, 1 fatal crashes | 8.5 percent, 7 fatal crashes | 2.4 percent, 2 fatal crashes | 3.7 percent, 3 fatal crashes | 3.7 percent, 3 fatal crashes | 3.7 percent, 3 fatal crashes |
By hour
By month
- Jan7.3%
- Feb7.3%
- Mar9.8%
- Apr13.4%
- May9.8%
- Jun4.9%
- Jul9.8%
- Aug8.5%
- Sep8.5%
- Oct7.3%
- Nov8.5%
- Dec4.9%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Fatal crashes per mile on I-25 in Wyoming
2.73 fatal crashes a year per 100 miles over 2015 to 2024, on 300 miles of I-25 in Wyoming, against 3.6 for all interstates in Wyoming. That ranks 2 of 2 interstates in Wyoming and 164 of 171 interstate pages on this site.
Mileage from the FHWA Interstate route log (table 1), the only figure here not counted from FARS. Crashes per mile of road, not per vehicle: FARS records crashes, not traffic.
What fatal crashes on I-25 in Wyoming first hit
The first harmful event was a rollover in most fatal crashes, 56%; a fixed object such as a tree, pole or barrier in 17%, a collision with another vehicle in 11%, a parked vehicle in 3.7%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Rollover | 46 | 56% |
| Fixed object (tree, pole, barrier, ditch) | 14 | 17% |
| Collision with another vehicle | 9 | 11% |
| Other | 8 | 9.8% |
| Parked vehicle | 3 | 3.7% |
| Pedestrian | 2 | 2.4% |
| Cyclist | 0 | 0.0% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes on I-25 in Wyoming compare with the state
A drinking driver was recorded in 22% of fatal crashes in I-25 in Wyoming from 2015 to 2024, below the Wyoming share of 33%; speeding in 24%, below the Wyoming share of 35%; a hit-and-run in 0.0%, about the Wyoming share; a driver recorded as distracted in 9.8%, about the Wyoming share; 74% of passenger-vehicle occupants killed with belt use known were unbelted, above the Wyoming share of 61%. Shares of fatal crashes from 2015 to 2024, against the share across all of Wyoming. A share is only given over 20 crashes.
| I-25 | Wyoming | ||
|---|---|---|---|
| On rural stretches | 87% | 81% | above the Wyoming share |
| At or near an intersection | 0.0% | 9.5% | below the Wyoming share |
| In the dark, road unlit | 44% | 33% | above the Wyoming share |
| A drinking driver | 22% | 33% | below the Wyoming share |
| Speeding | 24% | 35% | below the Wyoming share |
| A distracted driver (as recorded) | 9.8% | 9.6% | about the same as the Wyoming share |
| Occupants killed unbelted | 74% | 61% | above the Wyoming share |
| Hit-and-run | 0.0% | 0.8% | about the same as the Wyoming share |
| A motorcycle involved | 4.9% | 16% | below the Wyoming share |
| Pedestrians among the dead | 4.5% | 5.6% | below the Wyoming share |
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 I-25 in Wyoming
- How many fatal crashes have there been on I-25 in Wyoming?
- 82 fatal crashes killed 88 people on I-25 in Wyoming from 2015 to 2024. In 2024 there were 10 fatal crashes and 10 deaths.
- Where on I-25 in Wyoming do the most fatal crashes happen?
- Platte County had the most fatal crashes on I-25 from 2015 to 2024: 30, with 33 deaths. Converse County was second with 16.
- How dangerous is I-25 in Wyoming per mile?
- 2.73 fatal crashes a year per 100 miles over 2015 to 2024, on 300 miles of road, against 3.6 for all interstates in Wyoming. That ranks 2 of 2 interstates in Wyoming and 164 of 171 interstate pages on this site. FARS records crashes, not traffic, so this is crashes per mile of road, not per vehicle.
Other roads in Wyoming with a page
All fatal crashes in Wyoming, with every road ranked.
Where the I-25 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-25 in Wyoming (filed under 10 spellings, such as "I-25", "I-25 US-87", "I-25 INTCH 359 NB OFF TO I-80", "I-25 US-20 US-26 US-87"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.