ZIP 50171 (Montezuma, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50171: commercial truck and garbage truck crashes here and in Poweshiek 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
2 of 421 truck crashes since 2015.
Deadliest roads
How Poweshiek County compares with Iowa
Poweshiek County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Poweshiek County stands out
Full comparison
| Measure (2015–2025) | Poweshiek County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 189.7 | 68.1 | 49.7 | 2.8× the state |
| Deaths per 100 crashes | 6.5 | 3.5 | 3.4 | 1.9× the state |
| Injuries per crash | 0.54 | 0.41 | 0.49 | 1.3× the state |
| Garbage-truck share | 0.5% | 2.2% | 2.3% | 76% below the state |
| On snow, slush or ice | 23.6% | 18.7% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 21.6% | 24.0% | 23.7% | 10% below the state |
| In rain, sleet or snow | 24.4% | 15.1% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 49.4% | 45.4% | 41.9% | 1.1× the state |
| After dark | 28.8% | 23.1% | 24.8% | 1.3× the state |
Compared with Iowa, Poweshiek County is lower on garbage-truck share and morning rush (6–10 am). It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Poweshiek County at a glance: 1 in 192 crashes involve a garbage truck (2 since 2015), vs 2.2% across Iowa.
Overview
Poweshiek County has recorded 421 truck crashes since 2015, with 222 people injured and 27 killed.
That averages about one truck crash every 10 days in fully reported years.
When crashes happen
January has the most truck crashes, 11.2% of the yearly total, while March has the fewest (5.9%).
Winter months (Nov–Mar) carry 49.4% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 12–1 pm, with 7.1% of truck crashes.
Snow, slush or ice was on the road in 23.6% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Within this area, I-80 had the most fatal crashes involving a large truck since 2015 (6). It is followed by SR-21 (2), CR-QUEENS Ave (1) and CR-V18 (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 0.5% share (Iowa: 2.2%).
Route planning tips for ZIP 50171 fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check whether your routes use I-80, the road with the most fatal truck crashes in this area.
- With 23.6% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- 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 Poweshiek County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-80 | 6 |
| SR-21 | 2 |
| CR-QUEENS Ave | 1 |
| CR-V18 | 1 |
| SR-85 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Poweshiek County) |
|---|---|
| I-80 | 34 |
| Interstate 80/I 80 | 20 |
| Ia 146 | 6 |
| US-63 | 5 |
| Sb/Wb Interstate 0080 (Milepos | 4 |
| I 80 Wb 186 Mm | 4 |
| I 80 Wb 187Mm | 4 |
| 204.3Mm Wb I80 | 3 |
ZIP 50171 at a glance
| Population | 2,524 |
| Density | 9 per sq mi |
| Median household income | $65,000 |
| Median home value | $216,269 |
| Home ownership | 71% |
Waste facilities and haulers nearby
Historical data: truck crashes in Poweshiek 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 | — | 1.1 |
| 2000s | 28 | +97% | 1.0 |
| 2010s | 30 | +7% | 0.9 |
| 2020s | 36 | +18% | 1.6 |
Reported truck crashes averaged 14 a year in the 1990s and 36 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50171
How many truck crashes happen in ZIP 50171?
Poweshiek County has had 421 reported truck crashes since 2015, injuring 222 people and killing 27.
What is the most dangerous road for trucks in ZIP 50171?
Since 2015, I-80 has had the most fatal large-truck crashes within 10 miles of ZIP 50171: 6.
When do most truck crashes happen in ZIP 50171?
The worst month is January: 11.2% of truck crashes in Poweshiek County happen then.
How many garbage truck crashes are there in ZIP 50171?
Since 2015, Poweshiek County has reported 2 garbage-truck crashes, or 0.5% of its truck crashes.
How do truck crashes in ZIP 50171 compare with Iowa?
Poweshiek County records 189.7 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How do I plan a garbage truck route in ZIP 50171?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.