Lamoni, IA truck route planning & crash data
Plan safer truck routes in Lamoni: commercial truck and garbage truck crashes in Lamoni and Decatur County, dangerous roads, seasonality and route safety data for fleets. Patterns use Decatur County numbers.
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 sits below Iowa on 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 people killed per 100 truck crashes (Iowa: 3.5).
Overview
Decatur County has recorded 143 truck crashes since 2015, with 84 people injured and 11 killed.
That averages about one truck crash every 29 days in fully reported years.
Lamoni had 1 reported truck crash since 2015, too few for reliable patterns, so the charts and findings on this page use Decatur County numbers.
85% of truck crash reports in Decatur County since 2015 leave the city field blank; place counts include only reports that name the place.
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.
More truck crashes happen at 1–2 pm than at any other hour (7.7%).
Snow, slush or ice was on the road in 17.4% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
I-35 leads within 10 miles of Lamoni with 5 fatal crashes involving a large truck since 2015. Next come US-69 (1).
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 2.1%, compared with 2.2% in Iowa.
Route planning tips for Lamoni fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check whether your routes use I-35, the road with the most fatal truck crashes in this area.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Decatur County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-35 | 5 |
| 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 |
Lamoni at a glance
| Population | 2,072 |
| Land area | 4.0 sq mi |
| Density | 524 per sq mi |
| Median household income (ZIP 50140) | $57,443 |
| Median home value (ZIP 50140) | $122,285 |
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 |
In the 1990s about 4 truck crashes a year were reported; in the 2020s, about 14. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.2 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Lamoni
How common are truck crashes in Lamoni?
143 truck crashes have been reported in Decatur County since 2015, with 11 deaths and 84 injuries.
Where do fatal truck crashes happen most in Lamoni?
I-35 had 5 fatal crashes involving a large truck within 10 miles of Lamoni since 2015, more than any other road.
Which month has the most truck crashes in Lamoni?
January has the most truck crashes in Decatur County, 16.8% of the yearly total.
Are garbage truck crashes common in Lamoni?
3 crashes involving garbage or refuse trucks have been reported in Decatur County since 2015, 2.1% of all truck crashes.
How do truck crashes in Lamoni compare with Iowa?
Per 100,000 residents, Decatur County has 163.9 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in Lamoni?
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.