Carroll County, IA truck route planning & crash data
Plan safer truck routes in Carroll 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
2 of 132 truck crashes since 2015.
Deadliest roads
How Carroll County compares with Iowa
Carroll County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Carroll County stands out
Full comparison
| Measure (2015–2025) | Carroll County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.8 | 68.1 | 49.7 | 20% below the state |
| Deaths per 100 crashes | 5.7 | 3.5 | 3.4 | 1.6× the state |
| Injuries per crash | 0.52 | 0.41 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.6% | 2.2% | 2.3% | 25% below the state |
| On snow, slush or ice | 9.8% | 18.7% | 6.2% | 48% below the state |
| Morning rush (6–10 am) | 19.5% | 24.0% | 23.7% | 19% below the state |
| In rain, sleet or snow | 13.0% | 15.1% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 48.8% | 45.4% | 41.9% | 1.1× the state |
| After dark | 14.6% | 23.1% | 24.8% | 37% below the state |
Carroll County has lower values than Iowa for crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It runs above Iowa on deaths per 100 crashes, injuries per crash and winter months (nov–mar).
The headline for Carroll County: December 13.6% of truck crashes happen in December, more than any other month.
Overview
Since 2015, 132 crashes involving commercial trucks have been reported in Carroll County. They injured 69 people and killed 7.
That averages about one truck crash every 33 days in fully reported years.
When crashes happen
December has the most truck crashes, 13.6% of the yearly total, while March has the fewest (3.8%).
Winter months (Nov–Mar) carry 48.8% of truck crashes, vs 45.4% for Iowa.
By time of day, 1–2 pm stands out with 13.6% of truck crashes.
Road surface: 9.8% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
The deadliest road for trucks in Carroll County is SR-141, with 2 fatal large-truck crashes since 2015. Next come CR-N33 Noble Ave (1), CR-N33/NOBLE Ave (1) and US-72 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.5% of the total, against 2.2% across Iowa.
Route planning tips for Carroll County fleets
- Build extra time into December routes: it has the most truck crashes here.
- Where you can, review stops along SR-141; it has the most fatal large-truck crashes nearby.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Carroll County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Carroll County) |
|---|---|
| SR-141 | 2 |
| CR-N33 Noble Ave | 1 |
| CR-N33/NOBLE Ave | 1 |
| US-72 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carroll County) |
|---|---|
| US-30 | 20 |
| US-71 | 5 |
| Ia 141 | 4 |
| Lynx Ave And Us 71 And State 1 | 3 |
| Delta Ave | 3 |
| 150Th Street & Noble Ave; Cont | 2 |
| 3Rd St | 2 |
| E016/120Th St | 2 |
Carroll County at a glance
| Population | 20,407 |
| Land area | 569.5 sq mi |
| Density | 36 per sq mi |
| Median household income (ZIP average) | $72,501 |
Waste facilities and haulers nearby
Historical data: truck crashes in Carroll 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 | 5 | — | 0.7 |
| 2000s | 7 | +44% | 0.4 |
| 2010s | 11 | +54% | 0.8 |
| 2020s | 11 | -5% | 0.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 11. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.8 a year in 2020–24.
Cities, towns & communities in Carroll County
ZIP codes in Carroll County
Nearby counties
Questions fleets ask about Carroll County
How many truck accidents are there in Carroll County?
Since 2015, 132 crashes involving commercial trucks were reported in Carroll County (69 injured, 7 killed).
Which road has the most fatal truck crashes in Carroll County?
NHTSA data shows SR-141 with 2 fatal large-truck crashes in Carroll County since 2015, the highest of any road.
When do most truck crashes happen in Carroll County?
The worst month is December: 13.6% of truck crashes in Carroll County happen then.
How many garbage truck crashes are there in Carroll County?
Garbage trucks were involved in 2 reported crashes in Carroll County since 2015 (1.5% of truck crashes).
How does Carroll County compare with Iowa for truck crashes?
The yearly rate is 54.8 truck crashes per 100,000 residents in Carroll County, vs 68.1 for Iowa.
What is the best way to plan truck routes in Carroll County?
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.