Keyapaha, SD truck route planning & crash data
Plan safer truck routes in Keyapaha: commercial truck and garbage truck crashes in Keyapaha and Tripp County, dangerous roads, seasonality and route safety data for fleets. Patterns use Tripp County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 34 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Tripp County compares with South Dakota
Tripp County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Tripp County stands out
Full comparison
| Measure (2015–2025) | Tripp County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 50.9 | 42.0 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 3.1 | 5.2 | 3.4 | 40% below the state |
| Injuries per crash | 0.28 | 0.13 | 0.49 | 2.2× the state |
| Garbage-truck share | 3.1% | 1.6% | 2.3% | 1.9× the state |
| On snow, slush or ice | 18.8% | 28.6% | 6.2% | 35% below the state |
| Morning rush (6–10 am) | 12.5% | 22.2% | 23.7% | 44% below the state |
| In rain, sleet or snow | 12.5% | 17.5% | 13.8% | 29% below the state |
| Winter months (Nov–Mar) | 40.6% | 48.8% | 41.9% | 17% below the state |
| After dark | 18.8% | 22.8% | 24.8% | 18% below the state |
Compared with South Dakota, Tripp County is lower on deaths per 100 crashes, on snow, slush or ice and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, injuries per crash and garbage-truck share.
Tripp County at a glance: October 23.5% of truck crashes happen in October, more than any other month.
Overview
Tripp County has recorded 34 truck crashes since 2015, with 10 people injured and 1 killed.
That averages about one truck crash every 125 days in fully reported years.
Only 0 truck crashes were reported in Keyapaha since 2015; patterns below come from Tripp County as a whole.
When crashes happen
October has the most truck crashes, 23.5% of the yearly total, while February has the fewest (0.0%).
November through March accounts for 40.6% of truck crashes here, compared with 48.8% in South Dakota.
The busiest hour is 12–1 pm, with 11.8% of truck crashes.
Road surface: 18.8% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Keyapaha since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 2.9% of the total, against 1.6% across South Dakota.
Route planning tips for Keyapaha fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Tripp County.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Tripp 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 (Tripp County) |
|---|---|
| Sd Hwy 44 | 8 |
| US-18 | 7 |
| Sd Hwy 49 | 4 |
| Ave | 2 |
| US-183 | 2 |
| SR-18 | 1 |
| Sd Hwy 53 | 1 |
| Us 18 Ef | 1 |
Keyapaha at a glance
| Population | 19 |
| Land area | 34.9 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP 57528) | $61,292 |
Waste facilities and haulers nearby
Historical data: truck crashes in Tripp 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 | — | 0.0 |
| 2000s | 3 | -20% | 0.3 |
| 2010s | 2 | -12% | 0.1 |
| 2020s | 3 | +45% | 0.6 |
Reported truck crashes averaged 3 a year in the 1990s and 3 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Keyapaha
How many truck crashes happen in Keyapaha?
34 truck crashes have been reported in Tripp County since 2015, with 1 deaths and 10 injuries.
What is the worst month for truck crashes in Keyapaha?
October has the most truck crashes in Tripp County, 23.5% of the yearly total.
How many garbage truck accidents happen in Keyapaha?
Garbage trucks were involved in 1 reported crash in Tripp County since 2015 (2.9% of truck crashes).
How do truck crashes in Keyapaha compare with South Dakota?
Per 100,000 residents, Tripp County has 50.9 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in Keyapaha?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.