ZIP 51466 (Wall Lake, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51466: commercial truck and garbage truck crashes here and in Sac 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
0 of 144 truck crashes since 2015.
Deadliest roads
How Sac County compares with Iowa
Sac County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sac County stands out
Full comparison
| Measure (2015–2025) | Sac County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 128.7 | 68.1 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 8.1 | 3.5 | 3.4 | 2.3× the state |
| Injuries per crash | 0.48 | 0.41 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 20.7% | 18.7% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 31.1% | 24.0% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 11.1% | 15.1% | 13.8% | 27% below the state |
| Winter months (Nov–Mar) | 43.0% | 45.4% | 41.9% | same |
| After dark | 31.1% | 23.1% | 24.8% | 1.3× the state |
Sac County has lower values than Iowa for garbage-truck share and in rain, sleet or snow. It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Sac County: 0 crashes involve a garbage truck (0 since 2015), vs 2.2% across Iowa.
Overview
Police reported 144 crashes involving commercial trucks in Sac County since 2015: 67 people were injured and 11 were killed.
In complete reporting years that works out to about one truck crash every 30 days.
When crashes happen
Truck crashes peak in November (15.3% of the year) and are lowest in May (2.8%).
November through March accounts for 43.0% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 8–9 am than at any other hour (13.9%).
Snow, slush or ice was on the road in 20.7% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 51466 happened on US-71 (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Sac County.
Route planning tips for ZIP 51466 fleets
- Review driver schedules for November, the month with the most truck crashes.
- Morning starts matter: 31.1% of truck crashes fall between 6 and 10 am, higher than Iowa.
- Icy and snowy roads show up in 20.7% of truck crashes here, more than Iowa; schedule winter checks early.
- 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 Sac County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-71 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sac County) |
|---|---|
| US-20 | 17 |
| Fox Ave | 6 |
| M043/Fox Ave | 3 |
| Perkins Ave | 3 |
| M054/Sierra Ave And Us 20 | 3 |
| 370Th St And Union Ave | 2 |
| Dean Ave (Ia-110) | 2 |
| Hwy 20 Eb And Fox Ave | 2 |
ZIP 51466 at a glance
| Population | 1,043 |
| Density | 8 per sq mi |
| Median household income | $71,579 |
| Median home value | $175,017 |
| Home ownership | 82% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sac 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 | 6 | — | 0.9 |
| 2000s | 7 | +13% | 0.5 |
| 2010s | 10 | +39% | 0.8 |
| 2020s | 13 | +30% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 6 to 13. Some of the change may reflect how crashes were reported. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51466
How common are truck crashes in ZIP 51466?
Sac County has had 144 reported truck crashes since 2015, injuring 67 people and killing 11.
When do most truck crashes happen in ZIP 51466?
November has the most truck crashes in Sac County, 15.3% of the yearly total.
How many garbage truck crashes are there in ZIP 51466?
Garbage trucks were involved in 0 reported crashes in Sac County since 2015 (0.0% of truck crashes).
How does ZIP 51466 compare with Iowa for truck crashes?
Sac County records 128.7 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in ZIP 51466?
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.