Clarkson Valley, MO truck route planning & crash data
Plan safer truck routes in Clarkson Valley: commercial truck and garbage truck crashes in Clarkson Valley and St. Louis County, dangerous roads, seasonality and route safety data for fleets. Patterns use St. Louis County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1.0 deaths per 100 garbage-truck crashes vs 1.4 for all trucks.
Deadliest roads
How St. Louis County compares with Missouri
St. Louis County against Missouri and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Louis County stands out
Full comparison
| Measure (2015–2025) | St. Louis County | Missouri | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 64.5 | 85.9 | 49.7 | 25% below the state |
| Deaths per 100 crashes | 1.4 | 2.7 | 3.4 | 48% below the state |
| Injuries per crash | 0.48 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.9% | 2.2% | 2.3% | 1.3× the state |
| On snow, slush or ice | 4.0% | 7.2% | 6.2% | 44% below the state |
| Morning rush (6–10 am) | 25.9% | 22.8% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 10.8% | 10.7% | 13.8% | same |
| Winter months (Nov–Mar) | 39.5% | 40.7% | 41.9% | same |
| After dark | 21.9% | 24.7% | 24.8% | 11% below the state |
St. Louis County sits below Missouri 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 Clarkson Valley: I-44 7 fatal truck crashes since 2015, more than any other road within 10 miles of Clarkson Valley.
Overview
Since 2015, 7,484 crashes involving commercial trucks have been reported in St. Louis County. They injured 3,619 people and killed 111.
Across the years with complete reporting, that is roughly 2 truck crashes every day.
Clarkson Valley had 1 reported truck crash since 2015, too few for reliable patterns, so the charts and findings on this page use St. Louis County numbers.
When crashes happen
June has the most truck crashes, 9.4% of the yearly total, while March has the fewest (6.9%).
Winter months (Nov–Mar) carry 39.5% of truck crashes, vs 40.7% for Missouri.
The busiest hour is 3–4 pm, with 7.8% of truck crashes.
4.0% of truck crashes here happened on snow, slush or ice, against 7.2% across Missouri.
Where crashes happen
Within this area, I-44 had the most fatal crashes involving a large truck since 2015 (7). After it: I-270 (5), I-64 (5) and SR-94 (2).
Garbage & waste trucks
Garbage and refuse trucks were involved in 214 crashes, 2.9% of the total, against 2.2% across Missouri.
Their busiest month is January, with 12% of garbage-truck crashes.
They recorded 1.0 deaths per 100 crashes, against 1.4 for all trucks.
Route planning tips for Clarkson Valley fleets
- Build extra time into June routes: it has the most truck crashes here.
- Look at alternatives to I-44 at busy times: it leads this area in fatal truck crashes.
- Garbage-truck crashes here peak in January; review collection routes for that month.
- The morning rush (6–10 am) holds 25.9% of truck crashes here, more than Missouri; adjust start times where you can.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 St. Louis County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-44 | 7 |
| I-270 | 5 |
| I-64 | 5 |
| SR-94 | 2 |
| CR-CLAYTON Rd | 1 |
| Fee Fee Rd | 1 |
| Mu-Clayton Rd | 1 |
| SR-109 | 1 |
| SR-141 | 1 |
| Sr-Lp 44 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Louis County) |
|---|---|
| Is 270 | 1,585 |
| Is 44 | 830 |
| Is 70 | 808 |
| Is 64 | 430 |
| Mo 141 | 233 |
| Is 55 | 211 |
| Is 170 | 170 |
| US-67 | 114 |
Clarkson Valley at a glance
| Population | 2,557 |
| Land area | 2.7 sq mi |
| Density | 949 per sq mi |
| Median household income (ZIP 63011) | $124,454 |
| Median home value (ZIP 63011) | $400,603 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Louis 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 | 422 | — | 6.5 |
| 2000s | 361 | -14% | 6.8 |
| 2010s | 469 | +30% | 5.4 |
| 2020s | 655 | +40% | 9.0 |
Reported truck crashes averaged 422 a year in the 1990s and 655 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 5.8 a year in 2016–19 and 9.0 a year in 2020–24.
Nearby places
Questions fleets ask about Clarkson Valley
How many truck accidents are there in Clarkson Valley?
St. Louis County has had 7,484 reported truck crashes since 2015, injuring 3,619 people and killing 111.
Which road has the most fatal truck crashes in Clarkson Valley?
Since 2015, I-44 has had the most fatal large-truck crashes within 10 miles of Clarkson Valley: 7.
What is the worst month for truck crashes in Clarkson Valley?
June has the most truck crashes in St. Louis County, 9.4% of the yearly total.
How many garbage truck crashes are there in Clarkson Valley?
214 crashes involving garbage or refuse trucks have been reported in St. Louis County since 2015, 2.9% of all truck crashes.
What is the truck crash rate in Clarkson Valley compared with Missouri?
Per 100,000 residents, St. Louis County has 64.5 truck crashes a year; Missouri has 85.9.
What is the best way to plan truck routes in Clarkson Valley?
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.