Alton, IA truck route planning & crash data
Plan safer truck routes in Alton: commercial truck and garbage truck crashes in Alton and Sioux County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sioux County numbers.
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. Where it is 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
Sioux County has recorded 401 truck crashes since 2015, with 233 people injured and 16 killed.
That averages about one truck crash every 11 days in fully reported years.
With 7 truck crashes reported in Alton since 2015, this page uses Sioux County numbers for its patterns and comparisons.
69% of truck crash reports in Sioux County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in January (11.0% of the year) and are lowest in February (5.2%).
November through March accounts for 45.3% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 11 am–12 pm, with 9.5% of truck crashes.
Snow, slush or ice was on the road in 21.1% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of Alton since 2015 were spread across roads: CR-LOG Ave (1) and SR-60 (1).
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 0.7% share (Iowa: 2.2%).
Route planning tips for Alton fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Sioux County.
- 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
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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) |
|---|---|
| CR-LOG Ave | 1 |
| SR-60 | 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 |
Alton at a glance
| Population | 1,248 |
| Land area | 1.9 sq mi |
| Density | 653 per sq mi |
| Median household income (ZIP 51003) | $101,250 |
| Median home value (ZIP 51003) | $232,790 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 11 to 34. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.2 a year in 2020–24.
Nearby places
Questions fleets ask about Alton
How common are truck crashes in Alton?
Sioux County has had 401 reported truck crashes since 2015, injuring 233 people and killing 16.
Which month has the most truck crashes in Alton?
Truck crashes in Sioux County peak in January, with 11.0% of the year's crashes.
How many garbage truck crashes are there in Alton?
Garbage trucks were involved in 3 reported crashes in Sioux County since 2015 (0.7% of truck crashes).
How does Alton compare with Iowa for truck crashes?
Per 100,000 residents, Sioux County has 94.5 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in Alton?
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.