ZIP 50626 (Dunkerton, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50626: commercial truck and garbage truck crashes here and in Black Hawk County, 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
4.0 deaths per 100 garbage-truck crashes vs 2.9 for all trucks.
Deadliest roads
How Black Hawk County compares with Iowa
Black Hawk County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Black Hawk County stands out
Full comparison
| Measure (2015–2025) | Black Hawk County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 48.0 | 68.1 | 49.7 | 30% below the state |
| Deaths per 100 crashes | 2.9 | 3.5 | 3.4 | 17% below the state |
| Injuries per crash | 0.44 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.6% | 2.2% | 2.3% | 1.6× the state |
| On snow, slush or ice | 17.6% | 18.7% | 6.2% | same |
| Morning rush (6–10 am) | 26.0% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 15.0% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 46.8% | 45.4% | 41.9% | same |
| After dark | 20.3% | 23.1% | 24.8% | 12% below the state |
Black Hawk County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and after dark. Where it is higher: injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Black Hawk County: 1 in 28 crashes involve a garbage truck (26 since 2015), vs 2.2% across Iowa.
Overview
Black Hawk County has recorded 739 truck crashes since 2015, with 322 people injured and 22 killed.
In complete reporting years that works out to about one truck crash every 6 days.
When crashes happen
December has the most truck crashes, 10.4% of the yearly total, while June has the fewest (6.2%).
November through March accounts for 46.8% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 12–1 pm than at any other hour (9.5%).
Road surface: 17.6% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 50626 since 2015: CR-C57 120Th St (1), CR-C66 E Dunkerton Rd (1) and I-35 (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 26 crashes, 3.5% of the total, against 2.2% across Iowa.
Garbage-truck crashes peak in November (19% of them).
They recorded 4.0 deaths per 100 crashes, against 2.9 for all trucks.
Route planning tips for ZIP 50626 fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Black Hawk County.
- Garbage-truck crashes here peak in November; review collection routes for that month.
- The morning rush (6–10 am) holds 26.0% of truck crashes here, more than Iowa; adjust start times where you can.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Black Hawk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-C57 120Th St | 1 |
| CR-C66 E Dunkerton Rd | 1 |
| I-35 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Black Hawk County) |
|---|---|
| I-380 | 51 |
| Interstate 380/I 380 | 26 |
| US-218 | 22 |
| Us 218/Washington St | 13 |
| US-20 | 12 |
| Us 63/Hudson Rd | 10 |
| US-63 | 6 |
| Dubuque Rd | 5 |
ZIP 50626 at a glance
| Population | 1,468 |
| Density | 11 per sq mi |
| Median household income | $84,306 |
| Median home value | $207,613 |
| Home ownership | 88% |
Waste facilities and haulers nearby
Historical data: truck crashes in Black Hawk 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 | 15 | — | 2.1 |
| 2000s | 51 | +242% | 1.7 |
| 2010s | 67 | +31% | 1.5 |
| 2020s | 64 | -6% | 1.2 |
In the 1990s about 15 truck crashes a year were reported; in the 2020s, about 64. Reporting coverage also changed between these periods. Fatal large-truck crashes: 2.0 a year in 2016–19, 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50626
How many truck crashes happen in ZIP 50626?
Black Hawk County has had 739 reported truck crashes since 2015, injuring 322 people and killing 22.
When do most truck crashes happen in ZIP 50626?
December has the most truck crashes in Black Hawk County, 10.4% of the yearly total.
Are garbage truck crashes common in ZIP 50626?
Since 2015, Black Hawk County has reported 26 garbage-truck crashes, or 3.5% of its truck crashes.
How does ZIP 50626 compare with Iowa for truck crashes?
The yearly rate is 48.0 truck crashes per 100,000 residents in Black Hawk County, vs 68.1 for Iowa.
How can I plan a safer truck route in ZIP 50626?
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.