ZIP 50603 (Alta Vista, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50603: commercial truck and garbage truck crashes here and in Chickasaw 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
2 of 98 truck crashes since 2015.
Deadliest roads
How Chickasaw County compares with Iowa
Chickasaw County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Chickasaw County stands out
Full comparison
| Measure (2015–2025) | Chickasaw County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 71.4 | 68.1 | 49.7 | same |
| Deaths per 100 crashes | 7.6 | 3.5 | 3.4 | 2.2× the state |
| Injuries per crash | 0.47 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.2% | 2.2% | 2.3% | same |
| On snow, slush or ice | 23.9% | 18.7% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 31.5% | 24.0% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 12.0% | 15.1% | 13.8% | 21% below the state |
| Winter months (Nov–Mar) | 42.4% | 45.4% | 41.9% | same |
| After dark | 18.5% | 23.1% | 24.8% | 20% below the state |
Chickasaw County has lower values than Iowa for in rain, sleet or snow and after dark. Where it is higher: deaths per 100 crashes, injuries per crash and on snow, slush or ice.
The headline for Chickasaw County: 7.6 deaths per 100 truck crashes, vs 3.5 in Iowa.
Overview
Chickasaw County has recorded 98 truck crashes since 2015, with 46 people injured and 7 killed.
That averages about one truck crash every 44 days in fully reported years.
When crashes happen
Truck crashes peak in February (12.2% of the year) and are lowest in May (3.1%).
Winter months (Nov–Mar) carry 42.4% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 9–10 am, with 12.2% of truck crashes.
Snow, slush or ice was on the road in 23.9% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 50603 since 2015 were spread across roads: CR-190TH St (1), CR-V14/EXETER Ave (1) and Ts-Willow Ave (1).
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 2.0%, compared with 2.2% in Iowa.
Route planning tips for ZIP 50603 fleets
- Review driver schedules for February, the month with the most truck crashes.
- 31.5% of truck crashes happen between 6 and 10 am, above Iowa; consider earlier or later starts where possible.
- With 23.9% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- 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 Chickasaw County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-190TH St | 1 |
| CR-V14/EXETER Ave | 1 |
| Ts-Willow Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Chickasaw County) |
|---|---|
| US-63 | 10 |
| US-18 | 9 |
| Ia 24 | 5 |
| V056/Union Ave | 4 |
| Gilmore | 2 |
| Ia 24 E And North Linn Ave | 2 |
| Iowa 0024 / 200Th | 2 |
| Roanoke | 2 |
ZIP 50603 at a glance
| Population | 555 |
| Density | 5 per sq mi |
| Median household income | $74,271 |
| Home ownership | 87% |
Waste facilities and haulers nearby
Historical data: truck crashes in Chickasaw 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 | 3 | — | 0.6 |
| 2000s | 8 | +145% | 0.4 |
| 2010s | 6 | -16% | 0.4 |
| 2020s | 9 | +41% | 0.6 |
Reported truck crashes averaged 3 a year in the 1990s and 9 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50603
How many truck crashes happen in ZIP 50603?
98 truck crashes have been reported in Chickasaw County since 2015, with 7 deaths and 46 injuries.
What is the worst month for truck crashes in ZIP 50603?
February has the most truck crashes in Chickasaw County, 12.2% of the yearly total.
Are garbage truck crashes common in ZIP 50603?
Garbage trucks were involved in 2 reported crashes in Chickasaw County since 2015 (2.0% of truck crashes).
How do truck crashes in ZIP 50603 compare with Iowa?
Per 100,000 residents, Chickasaw County has 71.4 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in ZIP 50603?
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.