St. Charles, SD truck route planning & crash data
Plan safer truck routes in St. Charles: commercial truck and garbage truck crashes in St. Charles and Gregory County, dangerous roads, seasonality and route safety data for fleets. Patterns use Gregory County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 36 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Gregory County compares with South Dakota
Gregory County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gregory County stands out
Full comparison
| Measure (2015–2025) | Gregory County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 73.0 | 42.0 | 49.7 | 1.7× the state |
| Deaths per 100 crashes | 3.0 | 5.2 | 3.4 | 42% below the state |
| Injuries per crash | 0.39 | 0.13 | 0.49 | 3.0× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 27.3% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 33.3% | 22.2% | 23.7% | 1.5× the state |
| In rain, sleet or snow | 15.2% | 17.5% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 72.7% | 48.8% | 41.9% | 1.5× the state |
| After dark | 39.4% | 22.8% | 24.8% | 1.7× the state |
Gregory County sits below South Dakota on deaths per 100 crashes, garbage-truck share and in rain, sleet or snow. It runs above South Dakota on crashes per 100k residents / yr, injuries per crash and morning rush (6–10 am).
Gregory County at a glance: January 30.6% of truck crashes happen in January, more than any other month.
Overview
Police reported 36 crashes involving commercial trucks in Gregory County since 2015: 13 people were injured and 1 were killed.
In complete reporting years that works out to about one truck crash every 122 days.
Only 0 truck crashes were reported in St. Charles since 2015; patterns below come from Gregory County as a whole.
When crashes happen
The worst month is January with 30.6% of truck crashes; the quietest is April at 0.0%.
The five winter months (November to March) hold 72.7% of truck crashes, against 48.8% across South Dakota.
By time of day, 9–10 am stands out with 13.9% of truck crashes.
27.3% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of St. Charles since 2015.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Gregory County since 2015.
Route planning tips for St. Charles fleets
- Build extra time into January routes: it has the most truck crashes here.
- 33.3% of truck crashes happen between 6 and 10 am, above South Dakota; consider earlier or later starts where possible.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Gregory 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 (Gregory County) |
|---|---|
| US-18 | 22 |
| Sd Hwy 44 | 8 |
| US-281 | 3 |
| Lucas Rd | 1 |
| Sd Hwy 47 | 1 |
St. Charles at a glance
| Land area | 0.2 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Gregory 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 | — | 0.2 |
| 2000s | 2 | -5% | 0.4 |
| 2010s | 3 | +53% | 0.2 |
| 2020s | 4 | +26% | 0.0 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 4. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.0 a year in 2020–24.
Nearby places
Questions fleets ask about St. Charles
How many truck accidents are there in St. Charles?
Since 2015, 36 crashes involving commercial trucks were reported in Gregory County (13 injured, 1 killed).
What is the worst month for truck crashes in St. Charles?
January has the most truck crashes in Gregory County, 30.6% of the yearly total.
Are garbage truck crashes common in St. Charles?
0 crashes involving garbage or refuse trucks have been reported in Gregory County since 2015, 0.0% of all truck crashes.
What is the truck crash rate in St. Charles compared with South Dakota?
Gregory County records 73.0 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
What is the best way to plan truck routes in St. Charles?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.