Mahaska County, IA truck route planning & crash data
Plan safer truck routes in Mahaska 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
6 of 185 truck crashes since 2015.
Deadliest roads
How Mahaska County compares with Iowa
Mahaska County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mahaska County stands out
Full comparison
| Measure (2015–2025) | Mahaska County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 74.7 | 68.1 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 6.1 | 3.5 | 3.4 | 1.7× the state |
| Injuries per crash | 0.48 | 0.41 | 0.49 | 1.2× the state |
| Garbage-truck share | 3.3% | 2.2% | 2.3% | 1.5× the state |
| On snow, slush or ice | 9.9% | 18.7% | 6.2% | 47% below the state |
| Morning rush (6–10 am) | 29.3% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 7.7% | 15.1% | 13.8% | 49% below the state |
| Winter months (Nov–Mar) | 32.0% | 45.4% | 41.9% | 29% below the state |
| After dark | 12.7% | 23.1% | 24.8% | 45% below the state |
Compared with Iowa, Mahaska County is lower on on snow, slush or ice, in rain, sleet or snow and winter months (nov–mar). It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Mahaska County at a glance: October the month with the most truck crashes: 15.1% of the year's total.
Overview
Since 2015, 185 crashes involving commercial trucks have been reported in Mahaska County. They injured 93 people and killed 11.
Across the years with complete reporting, that is roughly one truck crash every 22 days.
When crashes happen
Truck crashes peak in October (15.1% of the year) and are lowest in February (4.9%).
Winter months (Nov–Mar) carry 32.0% of truck crashes, vs 45.4% for Iowa.
More truck crashes happen at 11 am–12 pm than at any other hour (11.4%).
9.9% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck in Mahaska County since 2015: CR-G63/310TH St (1), CR-QUEENS Ave (1), CR-T60 Oxford Ave (1), SR-163 (1) and SR-92 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 6 of the truck crashes here, or 3.2%, compared with 2.2% in Iowa.
Route planning tips for Mahaska County fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Mahaska County.
- Morning starts matter: 29.3% of truck crashes fall between 6 and 10 am, higher than Iowa.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Mahaska County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Mahaska County) |
|---|---|
| CR-G63/310TH St | 1 |
| CR-QUEENS Ave | 1 |
| CR-T60 Oxford Ave | 1 |
| SR-163 | 1 |
| SR-92 | 1 |
| US-62 | 1 |
| US-63 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Mahaska County) |
|---|---|
| US-63 | 14 |
| State 163/Iowa 163 | 8 |
| Ia 163 | 7 |
| Ia 92 | 7 |
| State 92/Iowa 92 And Osburn Av | 5 |
| State 92/A Ave | 4 |
| Hwy 92, Measuring 750 Feet Wes | 3 |
| G063/310Th St And Us 63 | 3 |
Mahaska County at a glance
| Population | 22,034 |
| Land area | 570.9 sq mi |
| Density | 39 per sq mi |
| Median household income (ZIP average) | $68,132 |
Waste facilities and haulers nearby
Historical data: truck crashes in Mahaska 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 | 10 | — | 0.7 |
| 2000s | 15 | +47% | 0.7 |
| 2010s | 16 | +3% | 1.2 |
| 2020s | 15 | -6% | 0.4 |
Reported truck crashes averaged 10 a year in the 1990s and 15 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.4 a year in 2020–24.
Cities, towns & communities in Mahaska County
ZIP codes in Mahaska County
Nearby counties
Questions fleets ask about Mahaska County
How many truck crashes happen in Mahaska County?
Since 2015, 185 crashes involving commercial trucks were reported in Mahaska County (93 injured, 11 killed).
Which month has the most truck crashes in Mahaska County?
The worst month is October: 15.1% of truck crashes in Mahaska County happen then.
How many garbage truck accidents happen in Mahaska County?
Garbage trucks were involved in 6 reported crashes in Mahaska County since 2015 (3.2% of truck crashes).
How do truck crashes in Mahaska County compare with Iowa?
Mahaska County records 74.7 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in Mahaska 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.