Cass County, IA truck route planning & crash data
Plan safer truck routes in Cass 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
0 of 388 truck crashes since 2015.
Deadliest roads
How Cass County compares with Iowa
Cass County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cass County stands out
Full comparison
| Measure (2015–2025) | Cass County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 245.0 | 68.1 | 49.7 | 3.6× the state |
| Deaths per 100 crashes | 6.0 | 3.5 | 3.4 | 1.7× the state |
| Injuries per crash | 0.39 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 25.4% | 18.7% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 23.1% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 21.1% | 15.1% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 49.3% | 45.4% | 41.9% | 1.1× the state |
| After dark | 41.0% | 23.1% | 24.8% | 1.8× the state |
Cass County sits below Iowa on garbage-truck share. It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Cass County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 2.2% in Iowa.
Overview
Since 2015, 388 crashes involving commercial trucks have been reported in Cass County. They injured 178 people and killed 24.
In complete reporting years that works out to about one truck crash every 11 days.
When crashes happen
January has the most truck crashes, 14.7% of the yearly total, while December has the fewest (5.2%).
November through March accounts for 49.3% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 9–10 am, with 6.4% of truck crashes.
Road surface: 25.4% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
I-80 leads in Cass County with 8 fatal crashes involving a large truck since 2015. Next come US-6 (2) and SR-92 (1).
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Cass County.
Route planning tips for Cass County fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Cass County.
- Look at alternatives to I-80 at busy times: it leads this area in fatal truck crashes.
- With 25.4% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Cass County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Cass County) |
|---|---|
| I-80 | 8 |
| US-6 | 2 |
| SR-92 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Cass County) |
|---|---|
| I-80 | 37 |
| Interstate 80/I 80 | 10 |
| I 80 Wb Mm59 | 5 |
| Olive St | 4 |
| I 80 W 59Mm | 4 |
| I 80 E 60Mm | 3 |
| Us 6/White Pole Rd | 3 |
| US-71 | 3 |
Cass County at a glance
| Population | 13,024 |
| Land area | 564.3 sq mi |
| Density | 23 per sq mi |
| Median household income (ZIP average) | $65,266 |
Waste facilities and haulers nearby
Historical data: truck crashes in Cass 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 | 16 | — | 0.5 |
| 2000s | 15 | -2% | 0.5 |
| 2010s | 26 | +69% | 1.0 |
| 2020s | 36 | +36% | 0.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 16 to 36. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 0.8 a year in 2020–24.
Cities, towns & communities in Cass County
ZIP codes in Cass County
Nearby counties
Questions fleets ask about Cass County
How common are truck crashes in Cass County?
Since 2015, 388 crashes involving commercial trucks were reported in Cass County (178 injured, 24 killed).
Where do fatal truck crashes happen most in Cass County?
NHTSA data shows I-80 with 8 fatal large-truck crashes in Cass County since 2015, the highest of any road.
Which month has the most truck crashes in Cass County?
The worst month is January: 14.7% of truck crashes in Cass County happen then.
Are garbage truck crashes common in Cass County?
Since 2015, Cass County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in Cass County compared with Iowa?
Per 100,000 residents, Cass County has 245.0 truck crashes a year; Iowa has 68.1.
How can I plan a safer truck route in Cass County?
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.