Clarno, SD truck route planning & crash data
Plan safer truck routes in Clarno: commercial truck and garbage truck crashes in Clarno and Lake County, dangerous roads, seasonality and route safety data for fleets. Patterns use Lake County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 35 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Lake County compares with South Dakota
Lake County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lake County stands out
Full comparison
| Measure (2015–2025) | Lake County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 26.4 | 42.0 | 49.7 | 37% below the state |
| Deaths per 100 crashes | 3.1 | 5.2 | 3.4 | 40% below the state |
| Injuries per crash | 0.22 | 0.13 | 0.49 | 1.7× the state |
| Garbage-truck share | 3.1% | 1.6% | 2.3% | 1.9× the state |
| On snow, slush or ice | 15.6% | 28.6% | 6.2% | 45% below the state |
| Morning rush (6–10 am) | 28.1% | 22.2% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 6.2% | 17.5% | 13.8% | 64% below the state |
| Winter months (Nov–Mar) | 21.9% | 48.8% | 41.9% | 55% below the state |
| After dark | 3.1% | 22.8% | 24.8% | 86% below the state |
Lake County sits below South Dakota on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Lake County: July 25.7% of truck crashes happen in July, more than any other month.
Overview
Since 2015, 35 crashes involving commercial trucks have been reported in Lake County. They injured 7 people and killed 1.
Across the years with complete reporting, that is roughly one truck crash every 125 days.
Only 0 truck crashes were reported in Clarno since 2015; patterns below come from Lake County as a whole.
When crashes happen
The worst month is July with 25.7% of truck crashes; the quietest is February at 2.9%.
The five winter months (November to March) hold 21.9% of truck crashes, against 48.8% across South Dakota.
By time of day, 8–9 am stands out with 20.0% of truck crashes.
Snow, slush or ice was on the road in 15.6% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of Clarno since 2015.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 2.9% share (South Dakota: 1.6%).
Route planning tips for Clarno fleets
- Build extra time into July routes: it has the most truck crashes here.
- 28.1% of truck crashes happen between 6 and 10 am, above South Dakota; consider earlier or later starts where possible.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Lake 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 (Lake County) |
|---|---|
| Sd Hwy 34 | 9 |
| Ave | 7 |
| US-81 | 5 |
| Sd Hwy 19 | 3 |
| SR-34 | 1 |
| Se 4Th St | 1 |
Clarno at a glance
| Population | 70 |
| Land area | 36.1 sq mi |
| Density | 2 per sq mi |
| Median household income (ZIP 57076) | $118,281 |
| Median home value (ZIP 57076) | $419,833 |
Waste facilities and haulers nearby
Historical data: truck crashes in Lake 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 | 2 | — | 0.1 |
| 2000s | 2 | +14% | 0.3 |
| 2010s | 3 | +45% | 0.3 |
| 2020s | 2 | -20% | 0.0 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 2. Reporting coverage also changed between these periods. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.0 a year in 2020–24.
Nearby places
Questions fleets ask about Clarno
How many truck crashes happen in Clarno?
Since 2015, 35 crashes involving commercial trucks were reported in Lake County (7 injured, 1 killed).
Which month has the most truck crashes in Clarno?
July has the most truck crashes in Lake County, 25.7% of the yearly total.
How many garbage truck crashes are there in Clarno?
Garbage trucks were involved in 1 reported crash in Lake County since 2015 (2.9% of truck crashes).
How does Clarno compare with South Dakota for truck crashes?
Lake County records 26.4 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How can I plan a safer truck route in Clarno?
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.