Sioux County, IA truck route planning & crash data
Plan safer truck routes in Sioux 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
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 has lower values than Iowa for 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 crashes involve a garbage truck (3 since 2015), vs 2.2% across Iowa.
Overview
Since 2015, 401 crashes involving commercial trucks have been reported in Sioux County. They injured 233 people and killed 16.
Across the years with complete reporting, that is roughly one truck crash every 11 days.
When crashes happen
Truck crashes peak in January (11.0% of the year) and are lowest in February (5.2%).
The five winter months (November to March) hold 45.3% of truck crashes, against 45.4% across Iowa.
The busiest hour is 11 am–12 pm, with 9.5% of truck crashes.
21.1% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Within this area, US-18 had the most fatal crashes involving a large truck since 2015 (3). It is followed by CR-B14 305Th St (1), CR-B30/340TH St (1) and CR-B40 390 St (1).
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 0.7% share (Iowa: 2.2%).
Route planning tips for Sioux County fleets
- Build extra time into January routes: it has the most truck crashes here.
- Check whether your routes use US-18, the road with the most fatal truck crashes in this area.
- With 21.1% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 (in Sioux County) |
|---|---|
| US-18 | 3 |
| CR-B14 305Th St | 1 |
| CR-B30/340TH St | 1 |
| CR-B40 390 St | 1 |
| CR-B62 500Th St | 1 |
| CR-K30/EAGLE Ave | 1 |
| CR-LOG Ave | 1 |
| SR-60 | 1 |
| US-75 | 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 |
Sioux County at a glance
| Population | 36,554 |
| Land area | 767.9 sq mi |
| Density | 48 per sq mi |
| Median household income (ZIP average) | $83,904 |
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. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.2 a year in 2020–24.
Cities, towns & communities in Sioux County
ZIP codes in Sioux County
Nearby counties
Questions fleets ask about Sioux County
How common are truck crashes in Sioux County?
Sioux County has had 401 reported truck crashes since 2015, injuring 233 people and killing 16.
What is the most dangerous road for trucks in Sioux County?
US-18 had 3 fatal crashes involving a large truck in Sioux County since 2015, more than any other road.
Which month has the most truck crashes in Sioux County?
January has the most truck crashes in Sioux County, 11.0% of the yearly total.
Are garbage truck crashes common in Sioux County?
3 crashes involving garbage or refuse trucks have been reported in Sioux County since 2015, 0.7% of all truck crashes.
How do truck crashes in Sioux County compare with Iowa?
Sioux County records 94.5 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How do I plan a garbage truck route in Sioux County?
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.