St. Onge, SD truck route planning & crash data
Plan safer truck routes in St. Onge: commercial truck and garbage truck crashes in St. Onge and Lawrence County, dangerous roads, seasonality and route safety data for fleets. Patterns use Lawrence County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 124 truck crashes since 2015.
Deadliest roads
How Lawrence County compares with South Dakota
Lawrence County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lawrence County stands out
Full comparison
| Measure (2015–2025) | Lawrence County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 37.2 | 42.0 | 49.7 | 11% below the state |
| Deaths per 100 crashes | 5.1 | 5.2 | 3.4 | same |
| Injuries per crash | 0.14 | 0.13 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.5% | 1.6% | 2.3% | 1.6× the state |
| On snow, slush or ice | 33.1% | 28.6% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 16.1% | 22.2% | 23.7% | 28% below the state |
| In rain, sleet or snow | 31.4% | 17.5% | 13.8% | 1.8× the state |
| Winter months (Nov–Mar) | 50.0% | 48.8% | 41.9% | same |
| After dark | 28.0% | 22.8% | 24.8% | 1.2× the state |
Lawrence County sits below South Dakota on crashes per 100k residents / yr and morning rush (6–10 am). Where it is higher: injuries per crash, garbage-truck share and on snow, slush or ice.
What stands out in Lawrence County: 31.4% share of truck crashes in rain, sleet or snow (South Dakota: 17.5%).
Overview
Police reported 124 crashes involving commercial trucks in Lawrence County since 2015: 19 people were injured and 6 were killed.
Across the years with complete reporting, that is roughly one truck crash every 34 days.
Only 0 truck crashes were reported in St. Onge since 2015; patterns below come from Lawrence County as a whole.
When crashes happen
January has the most truck crashes, 11.3% of the yearly total, while June has the fewest (4.0%).
The five winter months (November to March) hold 50.0% of truck crashes, against 48.8% across South Dakota.
The busiest hour is 11 am–12 pm, with 12.1% of truck crashes.
33.1% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of St. Onge happened on SR-34 (2) and I-90 (1); no road leads clearly.
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 2.4% share (South Dakota: 1.6%).
Route planning tips for St. Onge fleets
- Build extra time into January routes: it has the most truck crashes here.
- 33.1% of truck crashes were on snow, slush or ice, above South Dakota; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Lawrence County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-34 | 2 |
| I-90 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lawrence County) |
|---|---|
| I-90 | 51 |
| US-85 | 21 |
| Sd Hwy 34 | 20 |
| Us Hwy 14 A | 5 |
| US-14A | 5 |
| 1St Ave | 2 |
| Whitewood Valley Rd | 2 |
| 12Th St | 1 |
St. Onge at a glance
| Population | 365 |
| Land area | 1.3 sq mi |
| Density | 271 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Lawrence 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 | 8 | — | 0.5 |
| 2000s | 8 | +12% | 0.0 |
| 2010s | 10 | +21% | 0.5 |
| 2020s | 12 | +12% | 0.6 |
In the 1990s about 8 truck crashes a year were reported; in the 2020s, about 12. Reporting coverage also changed between these periods. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about St. Onge
How many truck crashes happen in St. Onge?
Since 2015, 124 crashes involving commercial trucks were reported in Lawrence County (19 injured, 6 killed).
What is the worst month for truck crashes in St. Onge?
January has the most truck crashes in Lawrence County, 11.3% of the yearly total.
How many garbage truck crashes are there in St. Onge?
3 crashes involving garbage or refuse trucks have been reported in Lawrence County since 2015, 2.4% of all truck crashes.
How do truck crashes in St. Onge compare with South Dakota?
Lawrence County records 37.2 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How can I plan a safer truck route in St. Onge?
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.