I-29 in South Dakota: fatal crashes
From 2015 to 2024, 49 fatal crashes on I-29 in South Dakota killed 51 people, the 3rd most of any numbered road in South Dakota. In 2024 there were 7 fatal crashes and 7 deaths on the road.
An interstate running through 9 counties of South Dakota. All fatal crashes in South Dakota.
Deaths on I-29 in South Dakota by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2015 | 8 | 8 |
| 2016 | 1 | 1 |
| 2017 | 4 | 5 |
| 2018 | 3 | 3 |
| 2019 | 5 | 5 |
| 2020 | 7 | 7 |
| 2021 | 4 | 4 |
| 2022 | 8 | 9 |
| 2023 | 2 | 2 |
| 2024 | 7 | 7 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on I-29 in South Dakota: the counties with the most fatal crashes
Union County had the most fatal crashes on I-29 from 2015 to 2024: 11, with 11 deaths. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Union | 2 | 11 | 11 |
| 2 | Minnehaha | 2 | 10 | 10 |
| 3 | Lincoln | 1 | 9 | 10 |
| 4 | Moody | 1 | 6 | 7 |
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-29 in South Dakota
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 | 4.1 percent, 2 fatal crashes | 2.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 6.1 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 4.1 percent, 2 fatal crashes | 4.1 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 4.1 percent, 2 fatal crashes |
| Tue | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes | 4.1 percent, 2 fatal crashes | 4.1 percent, 2 fatal crashes | 2.0 percent, 1 fatal crashes |
| Wed | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes | 4.1 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 4.1 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes |
| Thu | 0.0 percent, 0 fatal crashes | 2.0 percent, 1 fatal crashes | 4.1 percent, 2 fatal crashes | 2.0 percent, 1 fatal crashes | 4.1 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes |
| Fri | 2.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 4.1 percent, 2 fatal crashes | 4.1 percent, 2 fatal crashes | 4.1 percent, 2 fatal crashes |
| Sat | 6.1 percent, 3 fatal crashes | 4.1 percent, 2 fatal crashes | 4.1 percent, 2 fatal crashes | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes | 2.0 percent, 1 fatal crashes |
By hour
By month
- Jan12.2%
- Feb8.2%
- Mar2.0%
- Apr6.1%
- May10.2%
- Jun14.3%
- Jul6.1%
- Aug8.2%
- Sep6.1%
- Oct6.1%
- Nov14.3%
- Dec6.1%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes on I-29 in South Dakota first hit
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 19 | 39% |
| Rollover | 14 | 29% |
| Fixed object (tree, pole, barrier, ditch) | 8 | 16% |
| Pedestrian | 4 | 8.2% |
| Other | 2 | 4.1% |
| Cyclist | 1 | 2.0% |
| Parked vehicle | 1 | 2.0% |
| 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-29 in South Dakota compare with the state
Shares of fatal crashes from 2015 to 2024, against the share across all of South Dakota. A share is only given over 20 crashes.
| I-29 | South Dakota | ||
|---|---|---|---|
| On rural stretches | 86% | 82% | above the South Dakota share |
| At or near an intersection | 0.0% | 19% | below the South Dakota share |
| In the dark, road unlit | 41% | 31% | above the South Dakota share |
| A drinking driver | 14% | 35% | below the South Dakota share |
| Speeding | 20% | 27% | below the South Dakota share |
| Occupants killed unbelted | 41% | 66% | below the South Dakota share |
| Hit-and-run | 0.0% | 1.8% | below the South Dakota share |
| A motorcycle involved | 20% | 19% | above the South Dakota share |
| Pedestrians among the dead | 9.8% | 7.7% | above the South Dakota share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Other roads in South Dakota with a page
All fatal crashes in South Dakota, with every road ranked.
Where the I-29 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-29 in South Dakota (filed under 3 spellings, such as "I-29", "I-29 N", "I-29 S"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.