Castalia, IA truck route planning & crash data
Plan safer truck routes in Castalia: commercial truck and garbage truck crashes in Castalia and Winneshiek County, dangerous roads, seasonality and route safety data for fleets. Patterns use Winneshiek County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 128 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Winneshiek County compares with Iowa
Winneshiek County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Winneshiek County stands out
Full comparison
| Measure (2015–2025) | Winneshiek County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.9 | 68.1 | 49.7 | 19% below the state |
| Deaths per 100 crashes | 2.5 | 3.5 | 3.4 | 29% below the state |
| Injuries per crash | 0.42 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 61% below the state |
| On snow, slush or ice | 22.7% | 18.7% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 18.5% | 24.0% | 23.7% | 23% below the state |
| In rain, sleet or snow | 6.7% | 15.1% | 13.8% | 56% below the state |
| Winter months (Nov–Mar) | 41.2% | 45.4% | 41.9% | 9% below the state |
| After dark | 17.6% | 23.1% | 24.8% | 23% below the state |
Winneshiek County sits below Iowa on crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share. It stands out for higher on snow, slush or ice.
Winneshiek County at a glance: 1 in 119 crashes involve a garbage truck (1 since 2015), vs 2.2% across Iowa.
Overview
Since 2015, 128 crashes involving commercial trucks have been reported in Winneshiek County. They injured 53 people and killed 3.
That averages about one truck crash every 34 days in fully reported years.
Castalia had 2 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Winneshiek County numbers.
51% of truck crash reports in Winneshiek County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
June has the most truck crashes, 12.5% of the yearly total, while March has the fewest (3.9%).
November through March accounts for 41.2% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 3–4 pm, with 10.2% of truck crashes.
22.7% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Castalia since 2015.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.8% share (Iowa: 2.2%).
Route planning tips for Castalia fleets
- Review driver schedules for June, the month with the most truck crashes.
- 22.7% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Winneshiek 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 (Winneshiek County) |
|---|---|
| US-52 | 13 |
| Ia 9 | 13 |
| State 9/Iowa 9 | 5 |
| Ia 24 | 5 |
| Ia 139 | 4 |
| W038/Locust Rd | 3 |
| State 139/Iowa 139 | 3 |
| 110Th St | 2 |
Castalia at a glance
| Population | 141 |
| Land area | 0.6 sq mi |
| Density | 244 per sq mi |
| Median household income (ZIP 52133) | $76,250 |
Waste facilities and haulers nearby
Historical data: truck crashes in Winneshiek 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 | — | 0.1 |
| 2000s | 8 | +347% | 0.4 |
| 2010s | 10 | +23% | 0.2 |
| 2020s | 12 | +14% | 0.2 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 12. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Castalia
How common are truck crashes in Castalia?
Winneshiek County has had 128 reported truck crashes since 2015, injuring 53 people and killing 3.
What is the worst month for truck crashes in Castalia?
Truck crashes in Winneshiek County peak in June, with 12.5% of the year's crashes.
How many garbage truck accidents happen in Castalia?
Garbage trucks were involved in 1 reported crash in Winneshiek County since 2015 (0.8% of truck crashes).
How do truck crashes in Castalia compare with Iowa?
The yearly rate is 54.9 truck crashes per 100,000 residents in Winneshiek County, vs 68.1 for Iowa.
How can I plan a safer truck route in Castalia?
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.