ZIP 50464 (Plymouth, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50464: commercial truck and garbage truck crashes here and in Cerro Gordo 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
8 of 387 truck crashes since 2015.
Deadliest roads
How Cerro Gordo County compares with Iowa
Cerro Gordo County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cerro Gordo County stands out
Full comparison
| Measure (2015–2025) | Cerro Gordo County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 75.5 | 68.1 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 3.4 | 3.5 | 3.4 | same |
| Injuries per crash | 0.31 | 0.41 | 0.49 | 24% below the state |
| Garbage-truck share | 2.0% | 2.2% | 2.3% | 9% below the state |
| On snow, slush or ice | 30.9% | 18.7% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 25.8% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 22.1% | 15.1% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 55.8% | 45.4% | 41.9% | 1.2× the state |
| After dark | 28.1% | 23.1% | 24.8% | 1.2× the state |
Compared with Iowa, Cerro Gordo County is lower on injuries per crash and garbage-truck share. It stands out for higher crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
Cerro Gordo County at a glance: 30.9% share of truck crashes on snow, slush or ice (Iowa: 18.7%).
Overview
Cerro Gordo County has recorded 387 truck crashes since 2015, with 126 people injured and 12 killed.
Across the years with complete reporting, that is roughly one truck crash every 11 days.
When crashes happen
Truck crashes peak in January (15.0% of the year) and are lowest in September (3.9%).
November through March accounts for 55.8% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 10–11 am, with 10.6% of truck crashes.
30.9% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 50464 happened on US-18 (2), S Carolina Ave (1) and SR-122 (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 8 crashes, 2.1% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 50464 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Morning starts matter: 25.8% of truck crashes fall between 6 and 10 am, higher than Iowa.
- 30.9% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- 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 Cerro Gordo County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-18 | 2 |
| S Carolina Ave | 1 |
| SR-122 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Cerro Gordo County) |
|---|---|
| US-18 | 8 |
| US-65 | 8 |
| Interstate 35/I 35 | 6 |
| I-35 | 5 |
| 300Th St | 5 |
| 150Th St | 4 |
| Ramp Us 18 W To I 35 | 3 |
| Mm I 35 | 3 |
ZIP 50464 at a glance
| Population | 694 |
| Density | 11 per sq mi |
| Median household income | $91,750 |
| Median home value | $238,561 |
| Home ownership | 84% |
Waste facilities and haulers nearby
Historical data: truck crashes in Cerro Gordo 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 | 14 | — | 0.8 |
| 2000s | 27 | +92% | 1.0 |
| 2010s | 29 | +7% | 1.3 |
| 2020s | 30 | +5% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 14 to 30. Some of the change may reflect how crashes were reported. NHTSA counts 1.0 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 50464
How many truck accidents are there in ZIP 50464?
Since 2015, 387 crashes involving commercial trucks were reported in Cerro Gordo County (126 injured, 12 killed).
When do most truck crashes happen in ZIP 50464?
January has the most truck crashes in Cerro Gordo County, 15.0% of the yearly total.
How many garbage truck crashes are there in ZIP 50464?
8 crashes involving garbage or refuse trucks have been reported in Cerro Gordo County since 2015, 2.1% of all truck crashes.
How does ZIP 50464 compare with Iowa for truck crashes?
Per 100,000 residents, Cerro Gordo County has 75.5 truck crashes a year; Iowa has 68.1.
How can I plan a safer truck route in ZIP 50464?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.