ZIP 50432 (Crystal Lake, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50432: commercial truck and garbage truck crashes here and in Hancock 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
3 of 87 truck crashes since 2015.
Deadliest roads
How Hancock County compares with Iowa
Hancock County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hancock County stands out
Full comparison
| Measure (2015–2025) | Hancock County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 70.2 | 68.1 | 49.7 | same |
| Deaths per 100 crashes | 4.9 | 3.5 | 3.4 | 1.4× the state |
| Injuries per crash | 0.65 | 0.41 | 0.49 | 1.6× the state |
| Garbage-truck share | 3.7% | 2.2% | 2.3% | 1.7× the state |
| On snow, slush or ice | 24.4% | 18.7% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 24.4% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 12.2% | 15.1% | 13.8% | 19% below the state |
| Winter months (Nov–Mar) | 45.1% | 45.4% | 41.9% | same |
| After dark | 15.8% | 23.1% | 24.8% | 31% below the state |
Compared with Iowa, Hancock County is lower on in rain, sleet or snow and after dark. It runs above Iowa on deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Hancock County: 1 in 27 of truck crashes here involve garbage trucks: 3.7%, vs 2.2% in Iowa.
Overview
Hancock County has recorded 87 truck crashes since 2015, with 54 people injured and 5 killed.
That averages about one truck crash every 49 days in fully reported years.
When crashes happen
January has the most truck crashes, 12.6% of the yearly total, while April has the fewest (3.4%).
Winter months (Nov–Mar) carry 45.1% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 12–1 pm, with 11.5% of truck crashes.
24.4% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 50432 since 2015 were spread across roads: CR-B16/310TH St (1).
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 3.4% share (Iowa: 2.2%).
Route planning tips for ZIP 50432 fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Hancock County.
- Icy and snowy roads show up in 24.4% of truck crashes here, more than Iowa; schedule winter checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Hancock County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-B16/310TH St | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hancock County) |
|---|---|
| US-18 | 16 |
| R020/Deer Ave | 3 |
| 170Th St | 2 |
| And R018/Birch Ave | 2 |
| Ford Ave | 2 |
| Ia 17 | 2 |
| Iowa Ave | 2 |
| James Ave Measuring 585 Feet | 2 |
ZIP 50432 at a glance
| Population | 283 |
| Density | 251 per sq mi |
| Median household income | $66,875 |
| Median home value | $96,299 |
| Home ownership | 86% |
Waste facilities and haulers nearby
Historical data: truck crashes in Hancock 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 | 2 | — | 0.1 |
| 2000s | 5 | +102% | 0.3 |
| 2010s | 8 | +55% | 0.4 |
| 2020s | 7 | -4% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 7. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50432
How common are truck crashes in ZIP 50432?
87 truck crashes have been reported in Hancock County since 2015, with 5 deaths and 54 injuries.
What is the worst month for truck crashes in ZIP 50432?
Truck crashes in Hancock County peak in January, with 12.6% of the year's crashes.
Are garbage truck crashes common in ZIP 50432?
Garbage trucks were involved in 3 reported crashes in Hancock County since 2015 (3.4% of truck crashes).
How does ZIP 50432 compare with Iowa for truck crashes?
The yearly rate is 70.2 truck crashes per 100,000 residents in Hancock County, vs 68.1 for Iowa.
What is the best way to plan truck routes in ZIP 50432?
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.