Lewis, IA truck route planning & crash data
Plan safer truck routes in Lewis: commercial truck and garbage truck crashes in Lewis and Cass County, dangerous roads, seasonality and route safety data for fleets. Patterns use Cass County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 388 truck crashes since 2015.
Deadliest roads
How Cass County compares with Iowa
Cass County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cass County stands out
Full comparison
| Measure (2015–2025) | Cass County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 245.0 | 68.1 | 49.7 | 3.6× the state |
| Deaths per 100 crashes | 6.0 | 3.5 | 3.4 | 1.7× the state |
| Injuries per crash | 0.39 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 25.4% | 18.7% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 23.1% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 21.1% | 15.1% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 49.3% | 45.4% | 41.9% | 1.1× the state |
| After dark | 41.0% | 23.1% | 24.8% | 1.8× the state |
Cass County sits below Iowa on garbage-truck share. It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Cass County: 0 crashes involve a garbage truck (0 since 2015), vs 2.2% across Iowa.
Overview
Police reported 388 crashes involving commercial trucks in Cass County since 2015: 178 people were injured and 24 were killed.
In complete reporting years that works out to about one truck crash every 11 days.
Only 2 truck crashes were reported in Lewis since 2015; patterns below come from Cass County as a whole.
76% of truck crash reports in Cass County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in January (14.7% of the year) and are lowest in December (5.2%).
The five winter months (November to March) hold 49.3% of truck crashes, against 45.4% across Iowa.
By time of day, 9–10 am stands out with 6.4% of truck crashes.
25.4% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Lewis since 2015: CR-M47/510TH St (1) and US-6 (1). No single road stands out.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Cass County since 2015.
Route planning tips for Lewis fleets
- Review driver schedules for January, the month with the most truck crashes.
- Icy and snowy roads show up in 25.4% 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
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 Cass County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-M47/510TH St | 1 |
| US-6 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Cass County) |
|---|---|
| I-80 | 37 |
| Interstate 80/I 80 | 10 |
| I 80 Wb Mm59 | 5 |
| Olive St | 4 |
| I 80 W 59Mm | 4 |
| I 80 E 60Mm | 3 |
| Us 6/White Pole Rd | 3 |
| US-71 | 3 |
Lewis at a glance
| Population | 358 |
| Land area | 0.5 sq mi |
| Density | 709 per sq mi |
| Median household income (ZIP 51544) | $48,313 |
| Median home value (ZIP 51544) | $87,303 |
Waste facilities and haulers nearby
Historical data: truck crashes in Cass 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 | 16 | — | 0.5 |
| 2000s | 15 | -2% | 0.5 |
| 2010s | 26 | +69% | 1.0 |
| 2020s | 36 | +36% | 0.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 16 to 36. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 1.2 a year in 2016–19, 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Lewis
How common are truck crashes in Lewis?
Cass County has had 388 reported truck crashes since 2015, injuring 178 people and killing 24.
When do most truck crashes happen in Lewis?
January has the most truck crashes in Cass County, 14.7% of the yearly total.
How many garbage truck crashes are there in Lewis?
Since 2015, Cass County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
How do truck crashes in Lewis compare with Iowa?
Per 100,000 residents, Cass County has 245.0 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in Lewis?
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.