Iowa County, WI truck route planning & crash data
Plan safer truck routes in Iowa 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 193 truck crashes since 2015.
Deadliest roads
How Iowa County compares with Wisconsin
Iowa County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Iowa County stands out
Full comparison
| Measure (2015–2025) | Iowa County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 69.4 | 42.6 | 49.7 | 1.6× the state |
| Deaths per 100 crashes | 7.1 | 3.4 | 3.4 | 2.1× the state |
| Injuries per crash | 0.48 | 0.46 | 0.49 | same |
| Garbage-truck share | 1.6% | 2.7% | 2.3% | 40% below the state |
| On snow, slush or ice | 9.8% | 13.4% | 6.2% | 27% below the state |
| Morning rush (6–10 am) | 15.3% | 26.9% | 23.7% | 43% below the state |
| In rain, sleet or snow | 14.8% | 16.5% | 13.8% | 11% below the state |
| Winter months (Nov–Mar) | 44.3% | 44.9% | 41.9% | same |
| After dark | 20.8% | 20.9% | 24.8% | same |
Iowa County sits below Wisconsin on garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It runs above Wisconsin on crashes per 100k residents / yr and deaths per 100 crashes.
What stands out in Iowa County: 7.1 deaths for every 100 truck crashes, against 3.4 across Wisconsin.
Overview
Iowa County has recorded 193 truck crashes since 2015, with 90 people injured and 13 killed.
That averages about one truck crash every 22 days in fully reported years.
When crashes happen
The worst month is August with 14.5% of truck crashes; the quietest is June at 4.7%.
November through March accounts for 44.3% of truck crashes here, compared with 44.9% in Wisconsin.
The busiest hour is 4–5 pm, with 12.4% of truck crashes.
Snow, slush or ice was on the road in 9.8% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
The deadliest road for trucks in Iowa County is US-18, with 3 fatal large-truck crashes since 2015. Next come CR-C (1), CR-G (1) and CR-P (1).
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 1.6% share (Wisconsin: 2.7%).
Route planning tips for Iowa County fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Iowa County.
- Where you can, review stops along US-18; it has the most fatal large-truck crashes nearby.
- 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 Iowa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Iowa County) |
|---|---|
| US-18 | 3 |
| CR-C | 1 |
| CR-G | 1 |
| CR-P | 1 |
| US-151 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Iowa County) |
|---|---|
| Ush 018 | 53 |
| Ush 151 | 33 |
| Sth 023 | 17 |
| Sth 080 | 13 |
| Ush 014 | 9 |
| SR-018 | 7 |
| Sth 039 | 5 |
| Cth | 3 |
Iowa County at a glance
| Population | 23,963 |
| Land area | 762.7 sq mi |
| Density | 31 per sq mi |
| Median household income (ZIP average) | $83,797 |
Waste facilities and haulers nearby
Historical data: truck crashes in Iowa 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 | 18 | — | 1.1 |
| 2000s | 16 | -7% | 0.9 |
| 2010s | 14 | -16% | 0.6 |
| 2020s | 19 | +40% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 18 to 19. Some of the change may reflect how crashes were reported. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Cities, towns & communities in Iowa County
ZIP codes in Iowa County
Nearby counties
Questions fleets ask about Iowa County
How many truck crashes happen in Iowa County?
Since 2015, 193 crashes involving commercial trucks were reported in Iowa County (90 injured, 13 killed).
What is the most dangerous road for trucks in Iowa County?
Since 2015, US-18 has had the most fatal large-truck crashes in Iowa County: 3.
Which month has the most truck crashes in Iowa County?
The worst month is August: 14.5% of truck crashes in Iowa County happen then.
Are garbage truck crashes common in Iowa County?
3 crashes involving garbage or refuse trucks have been reported in Iowa County since 2015, 1.6% of all truck crashes.
How do truck crashes in Iowa County compare with Wisconsin?
Iowa County records 69.4 truck crashes per 100,000 residents a year, against 42.6 across Wisconsin.
How can I plan a safer truck route in Iowa 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.