ZIP 50140 (Lamoni, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50140: commercial truck and garbage truck crashes here and in Decatur 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 143 truck crashes since 2015.
Deadliest roads
How Decatur County compares with Iowa
Decatur County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Decatur County stands out
Full comparison
| Measure (2015–2025) | Decatur County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 163.9 | 68.1 | 49.7 | 2.4× the state |
| Deaths per 100 crashes | 8.0 | 3.5 | 3.4 | 2.3× the state |
| Injuries per crash | 0.57 | 0.41 | 0.49 | 1.4× the state |
| Garbage-truck share | 2.2% | 2.2% | 2.3% | same |
| On snow, slush or ice | 17.4% | 18.7% | 6.2% | same |
| Morning rush (6–10 am) | 20.3% | 24.0% | 23.7% | 16% below the state |
| In rain, sleet or snow | 15.2% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 57.2% | 45.4% | 41.9% | 1.3× the state |
| After dark | 40.6% | 23.1% | 24.8% | 1.8× the state |
Decatur County has lower values than Iowa for morning rush (6–10 am). It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Decatur County: 8.0 deaths for every 100 truck crashes, against 3.5 across Iowa.
Overview
Decatur County has recorded 143 truck crashes since 2015, with 84 people injured and 11 killed.
Across the years with complete reporting, that is roughly one truck crash every 29 days.
When crashes happen
The worst month is January with 16.8% of truck crashes; the quietest is April at 3.5%.
November through March accounts for 57.2% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 1–2 pm, with 7.7% of truck crashes.
Snow, slush or ice was on the road in 17.4% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 50140 since 2015: I-35 (3) and US-69 (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 2.1% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 50140 fleets
- Review driver schedules for January, the month with the most truck crashes.
- 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 Decatur County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-35 | 3 |
| US-69 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Decatur County) |
|---|---|
| I-35 | 11 |
| I35Sb At The 24Mm | 3 |
| I 35 Sb @ 19.30 Mile Marker | 3 |
| Hwy 2 W.B. @ I-35 N.B. On/Off | 2 |
| I 35 Sb @ 19.50 Mile Marker | 2 |
| I35Nb At The 21Mm | 2 |
| Interstate 35/I 35 | 2 |
| Interstate 35/I 35 24Mm | 2 |
ZIP 50140 at a glance
| Population | 2,842 |
| Density | 12 per sq mi |
| Median household income | $57,443 |
| Median home value | $122,285 |
| Home ownership | 64% |
Waste facilities and haulers nearby
Historical data: truck crashes in Decatur 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 | 4 | — | 0.1 |
| 2000s | 6 | +83% | 0.2 |
| 2010s | 9 | +45% | 0.5 |
| 2020s | 14 | +45% | 0.6 |
Reported truck crashes averaged 4 a year in the 1990s and 14 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50140
How many truck crashes happen in ZIP 50140?
143 truck crashes have been reported in Decatur County since 2015, with 11 deaths and 84 injuries.
What is the worst month for truck crashes in ZIP 50140?
January has the most truck crashes in Decatur County, 16.8% of the yearly total.
Are garbage truck crashes common in ZIP 50140?
3 crashes involving garbage or refuse trucks have been reported in Decatur County since 2015, 2.1% of all truck crashes.
How does ZIP 50140 compare with Iowa for truck crashes?
Per 100,000 residents, Decatur County has 163.9 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in ZIP 50140?
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.