Jefferson County, IA truck route planning & crash data
Plan safer truck routes in Jefferson County: commercial truck and garbage truck crashes, 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 81 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Jefferson County compares with Iowa
Jefferson County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 42.1 | 68.1 | 49.7 | 38% below the state |
| Deaths per 100 crashes | 1.4 | 3.5 | 3.4 | 60% below the state |
| Injuries per crash | 0.47 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 15.1% | 18.7% | 6.2% | 19% below the state |
| Morning rush (6–10 am) | 21.9% | 24.0% | 23.7% | 9% below the state |
| In rain, sleet or snow | 15.1% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 49.3% | 45.4% | 41.9% | 1.1× the state |
| After dark | 16.4% | 23.1% | 24.8% | 29% below the state |
Jefferson County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share. Where it is higher: injuries per crash and winter months (nov–mar).
The headline for Jefferson County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 2.2% in Iowa.
Overview
Police reported 81 crashes involving commercial trucks in Jefferson County since 2015: 38 people were injured and 1 were killed.
That averages about one truck crash every 55 days in fully reported years.
When crashes happen
Truck crashes peak in October (14.8% of the year) and are lowest in March (4.9%).
November through March accounts for 49.3% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 12–1 pm than at any other hour (12.3%).
Snow, slush or ice was on the road in 15.1% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
NHTSA lists no located fatal large-truck crashes in Jefferson County since 2015.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Jefferson County.
Route planning tips for Jefferson County fleets
- Review driver schedules for October, the month with the most truck crashes.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Jefferson County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded in Jefferson County since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| US-34 | 20 |
| Ash Ave | 2 |
| Us 34 W And Ramp Us 34 W To Os | 2 |
| 110Th St | 1 |
| 110Th St And State 1/Iowa 1 | 1 |
| 130Th St And Packwood Rd Measu | 1 |
| 191St St | 1 |
| 250Th/Wintergreen | 1 |
Jefferson County at a glance
| Population | 15,781 |
| Land area | 435.5 sq mi |
| Density | 36 per sq mi |
| Median household income (ZIP average) | $60,639 |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 4 | — | 0.4 |
| 2000s | 8 | +93% | 0.1 |
| 2010s | 7 | -15% | 0.0 |
| 2020s | 7 | +5% | 0.0 |
Reported truck crashes averaged 4 a year in the 1990s and 7 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting.
Cities, towns & communities in Jefferson County
ZIP codes in Jefferson County
Nearby counties
Questions fleets ask about Jefferson County
How many truck crashes happen in Jefferson County?
Since 2015, 81 crashes involving commercial trucks were reported in Jefferson County (38 injured, 1 killed).
Which month has the most truck crashes in Jefferson County?
Truck crashes in Jefferson County peak in October, with 14.8% of the year's crashes.
How many garbage truck crashes are there in Jefferson County?
Garbage trucks were involved in 0 reported crashes in Jefferson County since 2015 (0.0% of truck crashes).
How does Jefferson County compare with Iowa for truck crashes?
Per 100,000 residents, Jefferson County has 42.1 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in Jefferson County?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.