ZIP 52072 (Saint Olaf, IA) truck route planning & crash data
Plan safer truck routes around ZIP 52072: commercial truck and garbage truck crashes here and in Clayton 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 120 truck crashes since 2015.
Deadliest roads
How Clayton County compares with Iowa
Clayton County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clayton County stands out
Full comparison
| Measure (2015–2025) | Clayton County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 61.7 | 68.1 | 49.7 | 9% below the state |
| Deaths per 100 crashes | 5.2 | 3.5 | 3.4 | 1.5× the state |
| Injuries per crash | 0.44 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.7% | 2.2% | 2.3% | 20% below the state |
| On snow, slush or ice | 14.8% | 18.7% | 6.2% | 21% below the state |
| Morning rush (6–10 am) | 26.1% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 12.2% | 15.1% | 13.8% | 20% below the state |
| Winter months (Nov–Mar) | 40.0% | 45.4% | 41.9% | 12% below the state |
| After dark | 13.9% | 23.1% | 24.8% | 40% below the state |
Clayton County has lower values than Iowa for crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It runs above Iowa on deaths per 100 crashes, injuries per crash and morning rush (6–10 am).
Clayton County at a glance: July the month with the most truck crashes: 13.3% of the year's total.
Overview
Police reported 120 crashes involving commercial trucks in Clayton County since 2015: 55 people were injured and 6 were killed.
In complete reporting years that works out to about one truck crash every 35 days.
When crashes happen
Truck crashes peak in July (13.3% of the year) and are lowest in March (4.2%).
November through March accounts for 40.0% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 3–4 pm than at any other hour (11.7%).
Snow, slush or ice was on the road in 14.8% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 52072 since 2015 were spread across roads: US-52 (2).
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 1.7%, compared with 2.2% in Iowa.
Route planning tips for ZIP 52072 fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Clayton County.
- Morning starts matter: 26.1% of truck crashes fall between 6 and 10 am, higher than Iowa.
- 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 Clayton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-52 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Clayton County) |
|---|---|
| US-52 | 12 |
| State 13/Iowa 13 | 9 |
| US-18 | 9 |
| Ia 13 | 8 |
| 100Th St | 3 |
| Dogwood Ave | 2 |
| East Mission Rd | 2 |
| Echo Ave | 2 |
ZIP 52072 at a glance
| Population | 454 |
| Density | 5 per sq mi |
| Median household income | $62,250 |
| Median home value | $158,300 |
| Home ownership | 57% |
Waste facilities and haulers nearby
Historical data: truck crashes in Clayton 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 | 5 | — | 1.4 |
| 2000s | 10 | +104% | 0.6 |
| 2010s | 10 | +2% | 0.7 |
| 2020s | 11 | +6% | 0.6 |
In the 1990s about 5 truck crashes a year were reported; in the 2020s, about 11. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 52072
How common are truck crashes in ZIP 52072?
Since 2015, 120 crashes involving commercial trucks were reported in Clayton County (55 injured, 6 killed).
Which month has the most truck crashes in ZIP 52072?
July has the most truck crashes in Clayton County, 13.3% of the yearly total.
How many garbage truck crashes are there in ZIP 52072?
Since 2015, Clayton County has reported 2 garbage-truck crashes, or 1.7% of its truck crashes.
How do truck crashes in ZIP 52072 compare with Iowa?
Per 100,000 residents, Clayton County has 61.7 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in ZIP 52072?
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.