US 421 in Indiana: fatal crashes
From 2015 to 2024, 60 fatal crashes on US 421 in Indiana killed 65 people, the 14th most of any numbered road in Indiana. In 2024 there were 7 fatal crashes and 8 deaths on the road.
An US route running through 10 counties of Indiana. All fatal crashes in Indiana.
Deaths on US 421 in Indiana by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2015 | 6 | 6 |
| 2016 | 10 | 10 |
| 2017 | 5 | 5 |
| 2018 | 4 | 4 |
| 2019 | 5 | 5 |
| 2020 | 3 | 4 |
| 2021 | 8 | 11 |
| 2022 | 7 | 7 |
| 2023 | 5 | 5 |
| 2024 | 7 | 8 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on US 421 in Indiana: the counties with the most fatal crashes
La Porte County had the most fatal crashes on US 421 from 2015 to 2024: 17, with 18 deaths. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | La Porte | 1 | 17 | 18 |
| 2 | Ripley | 1 | 8 | 9 |
| 3 | Clinton | 3 | 7 | 10 |
| 4 | Carroll | 0 | 6 | 6 |
| 5 | Decatur | 2 | 5 | 5 |
| 6 | Jefferson | 0 | 5 | 5 |
| 7 | Pulaski | 0 | 5 | 5 |
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 US 421 in Indiana
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 | 3.3 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 3.3 percent, 2 fatal crashes | 6.7 percent, 4 fatal crashes | 3.3 percent, 2 fatal crashes | 1.7 percent, 1 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 5.0 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 1.7 percent, 1 fatal crashes |
| Tue | 1.7 percent, 1 fatal crashes | 5.0 percent, 3 fatal crashes | 1.7 percent, 1 fatal crashes | 3.3 percent, 2 fatal crashes | 3.3 percent, 2 fatal crashes | 5.0 percent, 3 fatal crashes |
| Wed | 0.0 percent, 0 fatal crashes | 1.7 percent, 1 fatal crashes | 5.0 percent, 3 fatal crashes | 3.3 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes |
| Thu | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 3.3 percent, 2 fatal crashes | 5.0 percent, 3 fatal crashes | 1.7 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes |
| Fri | 1.7 percent, 1 fatal crashes | 5.0 percent, 3 fatal crashes | 1.7 percent, 1 fatal crashes | 1.7 percent, 1 fatal crashes | 1.7 percent, 1 fatal crashes | 3.3 percent, 2 fatal crashes |
| Sat | 1.7 percent, 1 fatal crashes | 1.7 percent, 1 fatal crashes | 3.3 percent, 2 fatal crashes | 1.7 percent, 1 fatal crashes | 6.7 percent, 4 fatal crashes | 5.0 percent, 3 fatal crashes |
By hour
By month
- Jan13.3%
- Feb10.0%
- Mar3.3%
- Apr6.7%
- May5.0%
- Jun11.7%
- Jul11.7%
- Aug10.0%
- Sep13.3%
- Oct3.3%
- Nov8.3%
- Dec3.3%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes on US 421 in Indiana first hit
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 42 | 70% |
| Fixed object (tree, pole, barrier, ditch) | 9 | 15% |
| Pedestrian | 3 | 5.0% |
| Cyclist | 3 | 5.0% |
| Rollover | 2 | 3.3% |
| Other | 1 | 1.7% |
| Parked vehicle | 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 US 421 in Indiana compare with the state
Shares of fatal crashes from 2015 to 2024, against the share across all of Indiana. A share is only given over 20 crashes.
| US 421 | Indiana | ||
|---|---|---|---|
| On rural stretches | 92% | 58% | above the Indiana share |
| At or near an intersection | 22% | 27% | below the Indiana share |
| In the dark, road unlit | 38% | 31% | above the Indiana share |
| A drinking driver | 25% | 20% | above the Indiana share |
| Speeding | 23% | 26% | below the Indiana share |
| Occupants killed unbelted | 46% | 46% | about the same as the Indiana share |
| Hit-and-run | 3.3% | 5.3% | below the Indiana share |
| A motorcycle involved | 15% | 16% | about the same as the Indiana share |
| Pedestrians among the dead | 4.6% | 11% | below the Indiana share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Other roads in Indiana with a page
- I-465
- I-65
- I-69
- I-70
- I-74
- I-80
- State Highway 135
- State Highway 19
- State Highway 3
- State Highway 37
- State Highway 62
- State Highway 64
All fatal crashes in Indiana, with every road ranked.
Where the US 421 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as US 421 in Indiana (filed under 4 spellings, such as "US- 421", "US-421", "US-421 N", "US-421 S"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.