Clarence, IA truck route planning & crash data
Plan safer truck routes in Clarence: commercial truck and garbage truck crashes in Clarence and Cedar County, dangerous roads, seasonality and route safety data for fleets. Patterns use Cedar County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 592 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Cedar County compares with Iowa
Cedar County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cedar County stands out
Full comparison
| Measure (2015–2025) | Cedar County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 273.8 | 68.1 | 49.7 | 4.0× the state |
| Deaths per 100 crashes | 3.6 | 3.5 | 3.4 | same |
| Injuries per crash | 0.37 | 0.41 | 0.49 | 10% below the state |
| Garbage-truck share | 1.3% | 2.2% | 2.3% | 41% below the state |
| On snow, slush or ice | 26.2% | 18.7% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 22.6% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 24.8% | 15.1% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 53.0% | 45.4% | 41.9% | 1.2× the state |
| After dark | 29.1% | 23.1% | 24.8% | 1.3× the state |
Cedar County has lower values than Iowa for injuries per crash and garbage-truck share. It stands out for higher crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
What stands out in Cedar County: 24.8% in rain, sleet or snow, against 15.1% across Iowa.
Overview
Since 2015, 592 crashes involving commercial trucks have been reported in Cedar County. They injured 221 people and killed 20.
That averages about one truck crash every 7 days in fully reported years.
Only 0 truck crashes were reported in Clarence since 2015; patterns below come from Cedar County as a whole.
77% of truck crash reports in Cedar County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is January with 14.0% of truck crashes; the quietest is April at 5.1%.
The five winter months (November to March) hold 53.0% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 4–5 pm than at any other hour (7.4%).
26.2% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Clarence.
Garbage & waste trucks
Garbage trucks account for 7 of the truck crashes here, or 1.2%, compared with 2.2% in Iowa.
Route planning tips for Clarence fleets
- Build extra time into January routes: it has the most truck crashes here.
- 26.2% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Cedar 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 (Cedar County) |
|---|---|
| I-80 | 51 |
| Interstate 80/I 80 | 24 |
| US-30 | 12 |
| Ia 38 | 7 |
| I80 Wb 255.35 | 5 |
| I 80 W / Mm 276 | 5 |
| I 80 W Mm 257 | 4 |
| I 80 W Mm 265.3 | 4 |
Clarence at a glance
| Population | 991 |
| Land area | 0.8 sq mi |
| Density | 1,302 per sq mi |
| Median household income (ZIP 52216) | $67,857 |
| Median home value (ZIP 52216) | $199,675 |
Waste facilities and haulers nearby
Historical data: truck crashes in Cedar 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 | 19 | — | 1.6 |
| 2000s | 37 | +90% | 1.5 |
| 2010s | 36 | -2% | 0.8 |
| 2020s | 55 | +52% | 1.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 19 to 55. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Clarence
How many truck accidents are there in Clarence?
Cedar County has had 592 reported truck crashes since 2015, injuring 221 people and killing 20.
Which month has the most truck crashes in Clarence?
Truck crashes in Cedar County peak in January, with 14.0% of the year's crashes.
How many garbage truck crashes are there in Clarence?
Since 2015, Cedar County has reported 7 garbage-truck crashes, or 1.2% of its truck crashes.
What is the truck crash rate in Clarence compared with Iowa?
The yearly rate is 273.8 truck crashes per 100,000 residents in Cedar County, vs 68.1 for Iowa.
How do I plan a garbage truck route in Clarence?
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.