Calhoun County, IA truck route planning & crash data
Plan safer truck routes in Calhoun 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 110 truck crashes since 2015.
Deadliest roads
How Calhoun County compares with Iowa
Calhoun County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Calhoun County stands out
Full comparison
| Measure (2015–2025) | Calhoun County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 98.3 | 68.1 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 7.6 | 3.5 | 3.4 | 2.2× the state |
| Injuries per crash | 0.42 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 28.6% | 18.7% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 23.8% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 20.9% | 15.1% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 49.5% | 45.4% | 41.9% | 1.1× the state |
| After dark | 20.0% | 23.1% | 24.8% | 13% below the state |
Compared with Iowa, Calhoun County is lower on garbage-truck share and after dark. It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Calhoun County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 2.2% in Iowa.
Overview
Calhoun County has recorded 110 truck crashes since 2015, with 50 people injured and 8 killed.
In complete reporting years that works out to about one truck crash every 38 days.
When crashes happen
January has the most truck crashes, 12.7% of the yearly total, while March has the fewest (4.5%).
The five winter months (November to March) hold 49.5% of truck crashes, against 45.4% across Iowa.
The busiest hour is 10–11 am, with 11.8% of truck crashes.
Snow, slush or ice was on the road in 28.6% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
The deadliest road for trucks in Calhoun County is SR-4, with 4 fatal large-truck crashes since 2015. Next come US-20 (1).
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Calhoun County since 2015.
Route planning tips for Calhoun County fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check whether your routes use SR-4, the road with the most fatal truck crashes in this area.
- With 28.6% 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 Calhoun County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Calhoun County) |
|---|---|
| SR-4 | 4 |
| US-20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Calhoun County) |
|---|---|
| US-20 | 14 |
| Us 20/Us20 | 10 |
| Ia 4 | 8 |
| Dakota Ave | 2 |
| Dakota Ave And Railway St | 2 |
| Ia 175 | 2 |
| N028/Dakota Ave And Us 20/Us20 | 2 |
| N065/Sigourney Ave And Us 20/U | 2 |
Calhoun County at a glance
| Population | 9,711 |
| Land area | 569.8 sq mi |
| Density | 17 per sq mi |
| Median household income (ZIP average) | $67,404 |
Waste facilities and haulers nearby
Historical data: truck crashes in Calhoun 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 | 2 | — | 0.5 |
| 2000s | 5 | +185% | 0.3 |
| 2010s | 9 | +72% | 0.5 |
| 2020s | 10 | +10% | 0.4 |
Reported truck crashes averaged 2 a year in the 1990s and 10 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Cities, towns & communities in Calhoun County
ZIP codes in Calhoun County
Nearby counties
Questions fleets ask about Calhoun County
How many truck crashes happen in Calhoun County?
Calhoun County has had 110 reported truck crashes since 2015, injuring 50 people and killing 8.
Where do fatal truck crashes happen most in Calhoun County?
NHTSA data shows SR-4 with 4 fatal large-truck crashes in Calhoun County since 2015, the highest of any road.
When do most truck crashes happen in Calhoun County?
January has the most truck crashes in Calhoun County, 12.7% of the yearly total.
How many garbage truck crashes are there in Calhoun County?
Garbage trucks were involved in 0 reported crashes in Calhoun County since 2015 (0.0% of truck crashes).
How do truck crashes in Calhoun County compare with Iowa?
Calhoun County records 98.3 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How do I plan a garbage truck route in Calhoun County?
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.