Clayton, MO truck route planning & crash data
Plan safer truck routes in Clayton: commercial truck and garbage truck crashes in Clayton 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 |
Compared with Missouri, St. Louis County is lower 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).
Clayton at a glance: I-270 most fatal truck crashes within 10 miles of Clayton: 19 since 2015.
Overview
Since 2015, 7,484 crashes involving commercial trucks have been reported in St. Louis County. They injured 3,619 people and killed 111.
In complete reporting years that works out to about 2 truck crashes a day.
With 69 truck crashes reported in Clayton since 2015, this page uses St. Louis County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in June (9.4% of the year) and are lowest in March (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.
Road surface: 4.0% of truck crashes were on snow, slush or ice (Missouri: 7.2%).
Where crashes happen
Within this area, I-270 had the most fatal crashes involving a large truck since 2015 (19). It is followed by I-70 (17), I-44 (10) and I-55 (7).
Garbage & waste trucks
Garbage trucks account for 214 of the truck crashes here, or 2.9%, compared with 2.2% in Missouri.
Their busiest month is January, with 12% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 1.0, vs 1.4 for all truck crashes.
Route planning tips for Clayton fleets
- Review driver schedules for June, the month with the most truck crashes.
- Check whether your routes use I-270, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at January schedules: garbage-truck crashes peak then.
- The morning rush (6–10 am) holds 25.9% of truck crashes here, more than Missouri; adjust start times where you can.
- 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 St. Louis County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-270 | 19 |
| I-70 | 17 |
| I-44 | 10 |
| I-55 | 7 |
| I-64 | 4 |
| SR-3 | 4 |
| Broadway | 3 |
| Hall St | 3 |
| SR-180 | 3 |
| James S Mcdonnell Blvd | 2 |
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 |
Clayton at a glance
| Population | 17,512 |
| Land area | 2.5 sq mi |
| Density | 6,985 per sq mi |
| Median household income (ZIP 63105) | $116,439 |
| Median home value (ZIP 63105) | $759,311 |
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 |
In the 1990s about 422 truck crashes a year were reported; in the 2020s, about 655. Reporting coverage also changed between these periods. NHTSA counts 5.8 fatal large-truck crashes a year in 2016–19 and 9.0 a year in 2020–24.
Nearby places
Questions fleets ask about Clayton
How common are truck crashes in Clayton?
Since 2015, 7,484 crashes involving commercial trucks were reported in St. Louis County (3,619 injured, 111 killed).
What is the most dangerous road for trucks in Clayton?
Since 2015, I-270 has had the most fatal large-truck crashes within 10 miles of Clayton: 19.
What is the worst month for truck crashes in Clayton?
June has the most truck crashes in St. Louis County, 9.4% of the yearly total.
How many garbage truck accidents happen in Clayton?
Since 2015, St. Louis County has reported 214 garbage-truck crashes, or 2.9% of its truck crashes.
How do truck crashes in Clayton compare with Missouri?
St. Louis County records 64.5 truck crashes per 100,000 residents a year, against 85.9 across Missouri.
What is the best way to plan truck routes in Clayton?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.