Jefferson, IA truck route planning & crash data
Plan safer truck routes in Jefferson: commercial truck and garbage truck crashes in Jefferson and Greene County, dangerous roads, seasonality and route safety data for fleets. Patterns use Greene County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 86 truck crashes since 2015.
Deadliest roads
How Greene County compares with Iowa
Greene County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Greene County stands out
Full comparison
| Measure (2015–2025) | Greene County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 84.0 | 68.1 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 3.8 | 3.5 | 3.4 | 1.1× the state |
| Injuries per crash | 0.62 | 0.41 | 0.49 | 1.5× the state |
| Garbage-truck share | 2.5% | 2.2% | 2.3% | 1.1× the state |
| On snow, slush or ice | 18.8% | 18.7% | 6.2% | same |
| Morning rush (6–10 am) | 25.0% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 10.0% | 15.1% | 13.8% | 34% below the state |
| Winter months (Nov–Mar) | 48.8% | 45.4% | 41.9% | 1.1× the state |
| After dark | 16.2% | 23.1% | 24.8% | 30% below the state |
Compared with Iowa, Greene County is lower on in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Greene County at a glance: February the month with the most truck crashes: 12.8% of the year's total.
Overview
Since 2015, 86 crashes involving commercial trucks have been reported in Greene County. They injured 52 people and killed 3.
Across the years with complete reporting, that is roughly one truck crash every 50 days.
Jefferson had 19 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Greene County numbers.
51% of truck crash reports in Greene County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in February (12.8% of the year) and are lowest in March (4.7%).
November through March accounts for 48.8% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 8–9 am than at any other hour (14.0%).
Snow, slush or ice was on the road in 18.8% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Jefferson happened on SR-4 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 2.3%, compared with 2.2% in Iowa.
Route planning tips for Jefferson fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Greene County.
- 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 Greene County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Greene County) |
|---|---|
| Us 30/220Th | 5 |
| US-30 | 5 |
| State 4/Neola Ave | 4 |
| Us 30/Us 30 Diagonal | 3 |
| A Avenue & 330Th Street | 2 |
| E018/130Th Measuring 2111 Feet | 2 |
| Elm St And State 25/Locust St | 2 |
| Ia 144 | 2 |
Jefferson at a glance
| Population | 4,148 |
| Land area | 6.0 sq mi |
| Density | 689 per sq mi |
| Median household income (ZIP 50129) | $60,671 |
| Median home value (ZIP 50129) | $162,304 |
Waste facilities and haulers nearby
Historical data: truck crashes in Greene 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 | 2 | — | 0.3 |
| 2000s | 6 | +172% | 0.3 |
| 2010s | 6 | +7% | 0.4 |
| 2020s | 6 | +1% | 0.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 6. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 0.0 a year in 2020–24.
Nearby places
Questions fleets ask about Jefferson
How many truck accidents are there in Jefferson?
Since 2015, 86 crashes involving commercial trucks were reported in Greene County (52 injured, 3 killed).
When do most truck crashes happen in Jefferson?
February has the most truck crashes in Greene County, 12.8% of the yearly total.
Are garbage truck crashes common in Jefferson?
2 crashes involving garbage or refuse trucks have been reported in Greene County since 2015, 2.3% of all truck crashes.
How do truck crashes in Jefferson compare with Iowa?
Per 100,000 residents, Greene County has 84.0 truck crashes a year; Iowa has 68.1.
How can I plan a safer truck route in Jefferson?
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.