ZIP 50561 (Lytton, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50561: commercial truck and garbage truck crashes here and in Calhoun 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
0 of 110 truck crashes since 2015.
Deadliest roads
How Calhoun County compares with Iowa
Calhoun County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Calhoun County stands out
Full comparison
| Measure (2015–2025) | Calhoun County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 98.3 | 68.1 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 7.6 | 3.5 | 3.4 | 2.2× the state |
| Injuries per crash | 0.42 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 28.6% | 18.7% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 23.8% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 20.9% | 15.1% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 49.5% | 45.4% | 41.9% | 1.1× the state |
| After dark | 20.0% | 23.1% | 24.8% | 13% below the state |
Calhoun County sits below Iowa on garbage-truck share and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Calhoun County: 0 garbage-truck share of crashes is 0.0%, against 2.2% for Iowa.
Overview
Since 2015, 110 crashes involving commercial trucks have been reported in Calhoun County. They injured 50 people and killed 8.
In complete reporting years that works out to about one truck crash every 38 days.
When crashes happen
Truck crashes peak in January (12.7% of the year) and are lowest in March (4.5%).
The five winter months (November to March) hold 49.5% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 10–11 am than at any other hour (11.8%).
28.6% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 50561 is SR-4, with 3 fatal large-truck crashes since 2015. It is followed by CR-M54 Rolf Ave 280Th St (1) and US-20 (1).
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Calhoun County since 2015.
Route planning tips for ZIP 50561 fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check whether your routes use SR-4, the road with the most fatal truck crashes in this area.
- Icy and snowy roads show up in 28.6% of truck crashes here, more than Iowa; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Calhoun County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-4 | 3 |
| CR-M54 Rolf Ave 280Th St | 1 |
| US-20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Calhoun County) |
|---|---|
| US-20 | 14 |
| Us 20/Us20 | 10 |
| Ia 4 | 8 |
| Dakota Ave | 2 |
| Dakota Ave And Railway St | 2 |
| Ia 175 | 2 |
| N028/Dakota Ave And Us 20/Us20 | 2 |
| N065/Sigourney Ave And Us 20/U | 2 |
ZIP 50561 at a glance
| Population | 585 |
| Density | 5 per sq mi |
| Median household income | $67,446 |
| Home ownership | 82% |
Waste facilities and haulers nearby
Historical data: truck crashes in Calhoun 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 | — | 0.5 |
| 2000s | 5 | +185% | 0.3 |
| 2010s | 9 | +72% | 0.5 |
| 2020s | 10 | +10% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 10. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50561
How common are truck crashes in ZIP 50561?
Calhoun County has had 110 reported truck crashes since 2015, injuring 50 people and killing 8.
Where do fatal truck crashes happen most in ZIP 50561?
Since 2015, SR-4 has had the most fatal large-truck crashes within 10 miles of ZIP 50561: 3.
What is the worst month for truck crashes in ZIP 50561?
Truck crashes in Calhoun County peak in January, with 12.7% of the year's crashes.
Are garbage truck crashes common in ZIP 50561?
Since 2015, Calhoun County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in ZIP 50561 compared with Iowa?
The yearly rate is 98.3 truck crashes per 100,000 residents in Calhoun County, vs 68.1 for Iowa.
How can I plan a safer truck route in ZIP 50561?
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.