Grundy County, IA truck route planning & crash data
Plan safer truck routes in Grundy 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
1 of 142 truck crashes since 2015.
Deadliest roads
How Grundy County compares with Iowa
Grundy County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grundy County stands out
Full comparison
| Measure (2015–2025) | Grundy County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 96.0 | 68.1 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 8.4 | 3.5 | 3.4 | 2.4× the state |
| Injuries per crash | 0.72 | 0.41 | 0.49 | 1.8× the state |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 65% below the state |
| On snow, slush or ice | 32.1% | 18.7% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 26.7% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 29.0% | 15.1% | 13.8% | 1.9× the state |
| Winter months (Nov–Mar) | 51.1% | 45.4% | 41.9% | 1.1× the state |
| After dark | 20.6% | 23.1% | 24.8% | 11% below the state |
Compared with Iowa, Grundy County is lower on garbage-truck share and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Grundy County: February worst month: 22.5% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 142 crashes involving commercial trucks have been reported in Grundy County. They injured 96 people and killed 11.
Across the years with complete reporting, that is roughly one truck crash every 31 days.
When crashes happen
The worst month is February with 22.5% of truck crashes; the quietest is April at 2.8%.
Winter months (Nov–Mar) carry 51.1% of truck crashes, vs 45.4% for Iowa.
By time of day, 12–1 pm stands out with 9.9% of truck crashes.
Snow, slush or ice was on the road in 32.1% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck in Grundy County since 2015: CR-D17 130Th St (1), SR-14 (1) and US-20 (1). No single road stands out.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.7% share (Iowa: 2.2%).
Route planning tips for Grundy County fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Grundy County.
- 26.7% of truck crashes happen between 6 and 10 am, above Iowa; consider earlier or later starts where possible.
- 32.1% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Grundy County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Grundy County) |
|---|---|
| CR-D17 130Th St | 1 |
| SR-14 | 1 |
| US-20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grundy County) |
|---|---|
| US-20 | 24 |
| Us 20 Measuring 3954 Feet West | 8 |
| Ia 14 | 4 |
| State 14/G Ave | 3 |
| C Ave And Ia 175 | 2 |
| Hwy 20 208 | 2 |
| Hwy 20 And Hwy 14 | 2 |
| Hwy 20, Wb At 186.1Mm | 2 |
Grundy County at a glance
| Population | 12,405 |
| Land area | 501.9 sq mi |
| Density | 25 per sq mi |
| Median household income (ZIP average) | $86,656 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grundy 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 | 9 | +74% | 0.2 |
| 2010s | 11 | +28% | 0.7 |
| 2020s | 12 | +7% | 0.2 |
Reported truck crashes averaged 5 a year in the 1990s and 12 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 0.2 a year in 2020–24.
Cities, towns & communities in Grundy County
ZIP codes in Grundy County
Nearby counties
Questions fleets ask about Grundy County
How common are truck crashes in Grundy County?
Grundy County has had 142 reported truck crashes since 2015, injuring 96 people and killing 11.
When do most truck crashes happen in Grundy County?
The worst month is February: 22.5% of truck crashes in Grundy County happen then.
How many garbage truck crashes are there in Grundy County?
Since 2015, Grundy County has reported 1 garbage-truck crash, or 0.7% of its truck crashes.
How do truck crashes in Grundy County compare with Iowa?
The yearly rate is 96.0 truck crashes per 100,000 residents in Grundy County, vs 68.1 for Iowa.
How can I plan a safer truck route in Grundy County?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.