ZIP 51011 (Chatsworth, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51011: commercial truck and garbage truck crashes here and in Sioux County, 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
3 of 401 truck crashes since 2015.
Deadliest roads
How Sioux County compares with Iowa
Sioux County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sioux County stands out
Full comparison
| Measure (2015–2025) | Sioux County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 94.5 | 68.1 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 3.7 | 3.5 | 3.4 | same |
| Injuries per crash | 0.58 | 0.41 | 0.49 | 1.4× the state |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 64% below the state |
| On snow, slush or ice | 21.1% | 18.7% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 25.3% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 10.8% | 15.1% | 13.8% | 29% below the state |
| Winter months (Nov–Mar) | 45.3% | 45.4% | 41.9% | same |
| After dark | 20.5% | 23.1% | 24.8% | 11% below the state |
Sioux County sits below Iowa on garbage-truck share, in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
The headline for Sioux County: 1 in 127 of truck crashes here involve garbage trucks: 0.8%, vs 2.2% in Iowa.
Overview
Sioux County has recorded 401 truck crashes since 2015, with 233 people injured and 16 killed.
In complete reporting years that works out to about one truck crash every 11 days.
When crashes happen
January has the most truck crashes, 11.0% of the yearly total, while February has the fewest (5.2%).
Winter months (Nov–Mar) carry 45.3% of truck crashes, vs 45.4% for Iowa.
More truck crashes happen at 11 am–12 pm than at any other hour (9.5%).
Road surface: 21.1% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 51011 since 2015: SR-11 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 0.7%, compared with 2.2% in Iowa.
Route planning tips for ZIP 51011 fleets
- Review driver schedules for January, the month with the most truck crashes.
- With 21.1% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- 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 Sioux County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-11 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sioux County) |
|---|---|
| Ia 60 | 12 |
| State 60/Iowa 60 And K064/Jack | 8 |
| US-18 | 8 |
| US-75 | 6 |
| State 60/Iowa 60 | 6 |
| Ia 10 | 4 |
| Fig Ave | 4 |
| State 10/450Th St And Us 75 | 4 |
ZIP 51011 at a glance
| Population | 54 |
| Density | 50 per sq mi |
| Median household income | $44,375 |
| Home ownership | 87% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sioux 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 | 11 | — | 1.3 |
| 2000s | 26 | +135% | 1.8 |
| 2010s | 34 | +31% | 1.1 |
| 2020s | 34 | -1% | 1.2 |
In the 1990s about 11 truck crashes a year were reported; in the 2020s, about 34. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51011
How common are truck crashes in ZIP 51011?
401 truck crashes have been reported in Sioux County since 2015, with 16 deaths and 233 injuries.
What is the worst month for truck crashes in ZIP 51011?
January has the most truck crashes in Sioux County, 11.0% of the yearly total.
How many garbage truck accidents happen in ZIP 51011?
Garbage trucks were involved in 3 reported crashes in Sioux County since 2015 (0.7% of truck crashes).
What is the truck crash rate in ZIP 51011 compared with Iowa?
The yearly rate is 94.5 truck crashes per 100,000 residents in Sioux County, vs 68.1 for Iowa.
What is the best way to plan truck routes in ZIP 51011?
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.