Clayton County, IA truck route planning & crash data
Plan safer truck routes in Clayton County: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 120 truck crashes since 2015.
Deadliest roads
How Clayton County compares with Iowa
Clayton County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clayton County stands out
Full comparison
| Measure (2015–2025) | Clayton County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 61.7 | 68.1 | 49.7 | 9% below the state |
| Deaths per 100 crashes | 5.2 | 3.5 | 3.4 | 1.5× the state |
| Injuries per crash | 0.44 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.7% | 2.2% | 2.3% | 20% below the state |
| On snow, slush or ice | 14.8% | 18.7% | 6.2% | 21% below the state |
| Morning rush (6–10 am) | 26.1% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 12.2% | 15.1% | 13.8% | 20% below the state |
| Winter months (Nov–Mar) | 40.0% | 45.4% | 41.9% | 12% below the state |
| After dark | 13.9% | 23.1% | 24.8% | 40% below the state |
Clayton County sits below Iowa on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It runs above Iowa on deaths per 100 crashes, injuries per crash and morning rush (6–10 am).
The headline for Clayton County: July the month with the most truck crashes: 13.3% of the year's total.
Overview
Clayton County has recorded 120 truck crashes since 2015, with 55 people injured and 6 killed.
Across the years with complete reporting, that is roughly one truck crash every 35 days.
When crashes happen
July has the most truck crashes, 13.3% of the yearly total, while March has the fewest (4.2%).
The five winter months (November to March) hold 40.0% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 3–4 pm than at any other hour (11.7%).
Snow, slush or ice was on the road in 14.8% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes in Clayton County since 2015 were spread across roads: US-52 (2), CR-C7X/HINTON Rd (1) and SR-13 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.7% of the total, against 2.2% across Iowa.
Route planning tips for Clayton County fleets
- Build extra time into July routes: it has the most truck crashes here.
- Morning starts matter: 26.1% of truck crashes fall between 6 and 10 am, higher than Iowa.
- 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 Clayton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Clayton County) |
|---|---|
| US-52 | 2 |
| CR-C7X/HINTON Rd | 1 |
| SR-13 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Clayton County) |
|---|---|
| US-52 | 12 |
| State 13/Iowa 13 | 9 |
| US-18 | 9 |
| Ia 13 | 8 |
| 100Th St | 3 |
| Dogwood Ave | 2 |
| East Mission Rd | 2 |
| Echo Ave | 2 |
Clayton County at a glance
| Population | 16,931 |
| Land area | 778.5 sq mi |
| Density | 22 per sq mi |
| Median household income (ZIP average) | $70,081 |
Waste facilities and haulers nearby
Historical data: truck crashes in Clayton 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 | 5 | — | 1.4 |
| 2000s | 10 | +104% | 0.6 |
| 2010s | 10 | +2% | 0.7 |
| 2020s | 11 | +6% | 0.6 |
Reported truck crashes averaged 5 a year in the 1990s and 11 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.6 a year in 2020–24.
Cities, towns & communities in Clayton County
ZIP codes in Clayton County
Nearby counties
Questions fleets ask about Clayton County
How many truck accidents are there in Clayton County?
Since 2015, 120 crashes involving commercial trucks were reported in Clayton County (55 injured, 6 killed).
What is the worst month for truck crashes in Clayton County?
July has the most truck crashes in Clayton County, 13.3% of the yearly total.
How many garbage truck accidents happen in Clayton County?
2 crashes involving garbage or refuse trucks have been reported in Clayton County since 2015, 1.7% of all truck crashes.
How do truck crashes in Clayton County compare with Iowa?
Per 100,000 residents, Clayton County has 61.7 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in Clayton County?
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.