ZIP 50034 (Blairsburg, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50034: commercial truck and garbage truck crashes here and in Hamilton 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 405 truck crashes since 2015.
Deadliest roads
How Hamilton County compares with Iowa
Hamilton County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hamilton County stands out
Full comparison
| Measure (2015–2025) | Hamilton County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 230.1 | 68.1 | 49.7 | 3.4× the state |
| Deaths per 100 crashes | 4.3 | 3.5 | 3.4 | 1.2× the state |
| Injuries per crash | 0.40 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.5% | 2.2% | 2.3% | 76% below the state |
| On snow, slush or ice | 39.1% | 18.7% | 6.2% | 2.1× the state |
| Morning rush (6–10 am) | 26.3% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 27.9% | 15.1% | 13.8% | 1.8× the state |
| Winter months (Nov–Mar) | 60.6% | 45.4% | 41.9% | 1.3× the state |
| After dark | 34.6% | 23.1% | 24.8% | 1.5× the state |
Hamilton 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.
What stands out in Hamilton County: 39.1% on snowy, slushy or icy roads, against 18.7% across Iowa.
Overview
Police reported 405 crashes involving commercial trucks in Hamilton County since 2015: 225 people were injured and 16 were killed.
In complete reporting years that works out to about one truck crash every 11 days.
When crashes happen
Truck crashes peak in December (18.8% of the year) and are lowest in April (4.0%).
Winter months (Nov–Mar) carry 60.6% of truck crashes, vs 45.4% for Iowa.
By time of day, 3–4 pm stands out with 11.9% of truck crashes.
Snow, slush or ice was on the road in 39.1% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Within this area, US-20 had the most fatal crashes involving a large truck since 2015 (3). It is followed by CR-D20/190TH St (1), I-35 (1) and US-69 (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 0.5% share (Iowa: 2.2%).
Route planning tips for ZIP 50034 fleets
- Build extra time into December routes: it has the most truck crashes here.
- Look at alternatives to US-20 at busy times: it leads this area in fatal truck crashes.
- The morning rush (6–10 am) holds 26.3% of truck crashes here, more than Iowa; adjust start times where you can.
- 39.1% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- 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 Hamilton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-20 | 3 |
| CR-D20/190TH St | 1 |
| I-35 | 1 |
| US-69 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hamilton County) |
|---|---|
| I-35 | 37 |
| US-20 | 17 |
| Ia 17 | 11 |
| I 35 S, 141.75Mm | 10 |
| Interstate 35/I 35 | 9 |
| Nb Exit Ramp | 7 |
| Ramp 220Th St, E To E To State | 6 |
| Ramp Us 20 W To I 35 N And I 3 | 4 |
ZIP 50034 at a glance
| Population | 328 |
| Density | 2 per sq mi |
| Median household income | $76,250 |
| Median home value | $109,465 |
| Home ownership | 82% |
Waste facilities and haulers nearby
Historical data: truck crashes in Hamilton 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 | 12 | — | 0.7 |
| 2000s | 21 | +80% | 0.6 |
| 2010s | 24 | +12% | 0.4 |
| 2020s | 42 | +77% | 1.2 |
Reported truck crashes averaged 12 a year in the 1990s and 42 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.0 fatal large-truck crashes a year in 2016–19 and 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50034
How many truck crashes happen in ZIP 50034?
405 truck crashes have been reported in Hamilton County since 2015, with 16 deaths and 225 injuries.
What is the most dangerous road for trucks in ZIP 50034?
Since 2015, US-20 has had the most fatal large-truck crashes within 10 miles of ZIP 50034: 3.
When do most truck crashes happen in ZIP 50034?
Truck crashes in Hamilton County peak in December, with 18.8% of the year's crashes.
How many garbage truck crashes are there in ZIP 50034?
Garbage trucks were involved in 2 reported crashes in Hamilton County since 2015 (0.5% of truck crashes).
What is the truck crash rate in ZIP 50034 compared with Iowa?
Per 100,000 residents, Hamilton County has 230.1 truck crashes a year; Iowa has 68.1.
How can I plan a safer truck route in ZIP 50034?
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.