Adams County, IA truck route planning & crash data
Plan safer truck routes in Adams 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 31 truck crashes since 2015.
Deadliest roads
How Adams County compares with Iowa
Adams County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Adams County stands out
Full comparison
| Measure (2015–2025) | Adams County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 75.6 | 68.1 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 10.0 | 3.5 | 3.4 | 2.9× the state |
| Injuries per crash | 0.50 | 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 | 10.0% | 18.7% | 6.2% | 46% below the state |
| Morning rush (6–10 am) | 20.0% | 24.0% | 23.7% | 17% below the state |
| In rain, sleet or snow | 10.0% | 15.1% | 13.8% | 34% below the state |
| Winter months (Nov–Mar) | 46.7% | 45.4% | 41.9% | same |
| After dark | 13.3% | 23.1% | 24.8% | 42% below the state |
Adams County has lower values than Iowa for on snow, slush or ice, morning rush (6–10 am) and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Adams County: August the month with the most truck crashes: 22.6% of the year's total.
Overview
Police reported 31 crashes involving commercial trucks in Adams County since 2015: 17 people were injured and 3 were killed.
That averages about one truck crash every 134 days in fully reported years.
When crashes happen
Truck crashes peak in August (22.6% of the year) and are lowest in February (0.0%).
November through March accounts for 46.7% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 12–1 pm than at any other hour (16.1%).
10.0% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Fatal large-truck crashes in Adams County since 2015 were spread across roads: US-34 (2) and CR-N55/ORANGE Ave (1).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 3.2% share (Iowa: 2.2%).
Route planning tips for Adams County fleets
- Review driver schedules for August, the month with the most truck crashes.
- 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 Adams County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Adams County) |
|---|---|
| US-34 | 2 |
| CR-N55/ORANGE Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Adams County) |
|---|---|
| US-34 | 7 |
| Orange Ave | 3 |
| Ginko Ave And Us 34 | 3 |
| Ia 148 | 2 |
| N026/Birch Ave And Us 34 | 2 |
| Quince Ave | 2 |
| Us 34 And Ginko Ave | 2 |
| 10Th St And Ia 148 | 1 |
Adams County at a glance
| Population | 3,606 |
| Land area | 423.4 sq mi |
| Density | 9 per sq mi |
| Median household income (ZIP average) | $68,553 |
Waste facilities and haulers nearby
Historical data: truck crashes in Adams 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 | 1 | — | 0.4 |
| 2000s | 2 | +84% | 0.3 |
| 2010s | 3 | +24% | 0.5 |
| 2020s | 3 | +9% | 0.4 |
Reported truck crashes averaged 1 a year in the 1990s and 3 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.4 a year in 2020–24.
Cities, towns & communities in Adams County
ZIP codes in Adams County
Nearby counties
Questions fleets ask about Adams County
How common are truck crashes in Adams County?
Since 2015, 31 crashes involving commercial trucks were reported in Adams County (17 injured, 3 killed).
Which month has the most truck crashes in Adams County?
Truck crashes in Adams County peak in August, with 22.6% of the year's crashes.
How many garbage truck accidents happen in Adams County?
Garbage trucks were involved in 1 reported crash in Adams County since 2015 (3.2% of truck crashes).
What is the truck crash rate in Adams County compared with Iowa?
Per 100,000 residents, Adams County has 75.6 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in Adams 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.