Kosciusko, SD truck route planning & crash data
Plan safer truck routes in Kosciusko: commercial truck and garbage truck crashes in Kosciusko and Day County, dangerous roads, seasonality and route safety data for fleets. Patterns use Day County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 53 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Day County compares with South Dakota
Day County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Day County stands out
Full comparison
| Measure (2015–2025) | Day County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 80.7 | 42.0 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 2.1 | 5.2 | 3.4 | 60% below the state |
| Injuries per crash | 0.12 | 0.13 | 0.49 | 8% below the state |
| Garbage-truck share | 2.1% | 1.6% | 2.3% | 1.3× the state |
| On snow, slush or ice | 27.1% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 22.9% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 10.4% | 17.5% | 13.8% | 41% below the state |
| Winter months (Nov–Mar) | 35.4% | 48.8% | 41.9% | 27% below the state |
| After dark | 25.0% | 22.8% | 24.8% | 1.1× the state |
Compared with South Dakota, Day County is lower on deaths per 100 crashes, injuries per crash and in rain, sleet or snow. It runs above South Dakota on crashes per 100k residents / yr, garbage-truck share and after dark.
The headline for Day County: February the month with the most truck crashes: 15.1% of the year's total.
Overview
Since 2015, 53 crashes involving commercial trucks have been reported in Day County. They injured 7 people and killed 2.
Across the years with complete reporting, that is roughly one truck crash every 84 days.
With 0 truck crashes reported in Kosciusko since 2015, this page uses Day County numbers for its patterns and comparisons.
When crashes happen
The worst month is February with 15.1% of truck crashes; the quietest is November at 1.9%.
November through March accounts for 35.4% of truck crashes here, compared with 48.8% in South Dakota.
By time of day, 11 am–12 pm stands out with 13.2% of truck crashes.
27.1% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Kosciusko.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 1.9% share (South Dakota: 1.6%).
Route planning tips for Kosciusko fleets
- Review driver schedules for February, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Day County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Day County) |
|---|---|
| US-12 | 39 |
| Sd Hwy 25 | 4 |
| Ave | 1 |
| Main Street | 1 |
| Sd Hwy 27 | 1 |
Kosciusko at a glance
| Population | 182 |
| Land area | 39.6 sq mi |
| Density | 5 per sq mi |
| Median household income (ZIP 57239) | $106,389 |
| Median home value (ZIP 57239) | $411,600 |
Waste facilities and haulers nearby
Historical data: truck crashes in Day County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 3 | — | 0.4 |
| 2000s | 3 | +7% | 0.1 |
| 2010s | 5 | +53% | 0.4 |
| 2020s | 5 | +5% | 0.2 |
In the 1990s about 3 truck crashes a year were reported; in the 2020s, about 5. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Kosciusko
How many truck accidents are there in Kosciusko?
Day County has had 53 reported truck crashes since 2015, injuring 7 people and killing 2.
When do most truck crashes happen in Kosciusko?
Truck crashes in Day County peak in February, with 15.1% of the year's crashes.
How many garbage truck accidents happen in Kosciusko?
Since 2015, Day County has reported 1 garbage-truck crash, or 1.9% of its truck crashes.
How do truck crashes in Kosciusko compare with South Dakota?
Per 100,000 residents, Day County has 80.7 truck crashes a year; South Dakota has 42.0.
How do I plan a garbage truck route in Kosciusko?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.