Defiance, MO truck route planning & crash data
Plan safer truck routes in Defiance: commercial truck and garbage truck crashes in Defiance and St. Charles County, dangerous roads, seasonality and route safety data for fleets. Patterns use St. Charles County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0.0 deaths per 100 garbage-truck crashes vs 1.5 for all trucks.
Deadliest roads
How St. Charles County compares with Missouri
St. Charles County against Missouri and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Charles County stands out
Full comparison
| Measure (2015–2025) | St. Charles County | Missouri | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 60.1 | 85.9 | 49.7 | 30% below the state |
| Deaths per 100 crashes | 1.5 | 2.7 | 3.4 | 44% below the state |
| Injuries per crash | 0.40 | 0.44 | 0.49 | 9% below the state |
| Garbage-truck share | 2.3% | 2.2% | 2.3% | same |
| On snow, slush or ice | 5.9% | 7.2% | 6.2% | 18% below the state |
| Morning rush (6–10 am) | 23.8% | 22.8% | 23.7% | same |
| In rain, sleet or snow | 7.9% | 10.7% | 13.8% | 26% below the state |
| Winter months (Nov–Mar) | 38.4% | 40.7% | 41.9% | same |
| After dark | 22.5% | 24.7% | 24.8% | 9% below the state |
Compared with Missouri, St. Charles County is lower on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in St. Charles County: June is the peak month for garbage-truck crashes: 15% of them.
Overview
Police reported 3,013 crashes involving commercial trucks in St. Charles County since 2015: 1,213 people were injured and 43 were killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
With 0 truck crashes reported in Defiance since 2015, this page uses St. Charles County numbers for its patterns and comparisons.
When crashes happen
June has the most truck crashes, 9.5% of the yearly total, while March has the fewest (6.8%).
Winter months (Nov–Mar) carry 38.4% of truck crashes, vs 40.7% for Missouri.
The busiest hour is 1–2 pm, with 7.2% of truck crashes.
5.9% of truck crashes here happened on snow, slush or ice, against 7.2% across Missouri.
Where crashes happen
Fatal large-truck crashes within 10 miles of Defiance since 2015 were spread across roads: I-64 (2), Sr-D (2), Bryan Rd (1) and SR-94 (1).
Garbage & waste trucks
66 crashes involved a garbage or refuse truck, a 2.2% share (Missouri: 2.2%).
Their busiest month is June, with 15% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 0.0, vs 1.5 for all truck crashes.
Route planning tips for Defiance fleets
- Build extra time into June routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in June; review collection routes for that month.
- 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 St. Charles County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-64 | 2 |
| Sr-D | 2 |
| Bryan Rd | 1 |
| SR-94 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Charles County) |
|---|---|
| Is 70 | 1,341 |
| Is 64 | 198 |
| US-61 | 134 |
| Mo 94 | 105 |
| Mo 370 | 81 |
| Mo 364 | 40 |
| Mo 79 | 39 |
| Cst Mexico Rd | 34 |
Defiance at a glance
| Land area | 1.0 sq mi |
| Median household income (ZIP 63341) | $170,598 |
| Median home value (ZIP 63341) | $631,113 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Charles 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 | 120 | — | 4.1 |
| 2000s | 144 | +20% | 2.6 |
| 2010s | 176 | +22% | 2.9 |
| 2020s | 264 | +50% | 3.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 120 to 264. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 3.5 a year in 2016–19 and 3.2 a year in 2020–24.
Nearby places
Questions fleets ask about Defiance
How many truck crashes happen in Defiance?
3,013 truck crashes have been reported in St. Charles County since 2015, with 43 deaths and 1,213 injuries.
What is the worst month for truck crashes in Defiance?
June has the most truck crashes in St. Charles County, 9.5% of the yearly total.
How many garbage truck accidents happen in Defiance?
66 crashes involving garbage or refuse trucks have been reported in St. Charles County since 2015, 2.2% of all truck crashes.
How do truck crashes in Defiance compare with Missouri?
Per 100,000 residents, St. Charles County has 60.1 truck crashes a year; Missouri has 85.9.
What is the best way to plan truck routes in Defiance?
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.