Jefferson, WI truck route planning & crash data
Plan safer truck routes in Jefferson: commercial truck and garbage truck crashes in Jefferson and Jefferson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Jefferson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
19 of 481 truck crashes since 2015.
Deadliest roads
How Jefferson County compares with Wisconsin
Jefferson County against Wisconsin 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 | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 47.7 | 42.6 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 4.6 | 3.4 | 3.4 | 1.4× the state |
| Injuries per crash | 0.39 | 0.46 | 0.49 | 15% below the state |
| Garbage-truck share | 4.2% | 2.7% | 2.3% | 1.5× the state |
| On snow, slush or ice | 15.9% | 13.4% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 31.6% | 26.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 16.8% | 16.5% | 13.8% | same |
| Winter months (Nov–Mar) | 49.7% | 44.9% | 41.9% | 1.1× the state |
| After dark | 21.0% | 20.9% | 24.8% | same |
Jefferson County has lower values than Wisconsin for injuries per crash. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share.
The headline for Jefferson County: 1 in 24 garbage-truck share of crashes is 4.2%, against 2.7% for Wisconsin.
Overview
Jefferson County has recorded 481 truck crashes since 2015, with 185 people injured and 21 killed.
Across the years with complete reporting, that is roughly one truck crash every 9 days.
Only 34 truck crashes were reported in Jefferson since 2015; patterns below come from Jefferson County as a whole.
When crashes happen
The worst month is January with 13.3% of truck crashes; the quietest is June at 3.7%.
The five winter months (November to March) hold 49.7% of truck crashes, against 44.9% across Wisconsin.
By time of day, 9–10 am stands out with 9.6% of truck crashes.
Snow, slush or ice was on the road in 15.9% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
The deadliest road for trucks within 10 miles of Jefferson is I-94, with 4 fatal large-truck crashes since 2015. After it: SR-26 (2), US-18 (2) and CR-B (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 19 crashes, 4.0% of the total, against 2.7% across Wisconsin.
Route planning tips for Jefferson fleets
- Build extra time into January routes: it has the most truck crashes here.
- Look at alternatives to I-94 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 31.6% of truck crashes fall between 6 and 10 am, higher than Wisconsin.
- 15.9% of truck crashes were on snow, slush or ice, above Wisconsin; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-94 | 4 |
| SR-26 | 2 |
| US-18 | 2 |
| CR-B | 1 |
| CR-Y | 1 |
| US-12 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| I-094 | 166 |
| Sth 026 | 56 |
| Ush 012 | 22 |
| Ush 018 | 16 |
| Parking Lot | 12 |
| Cth | 9 |
| Cth F | 9 |
| Cth B | 8 |
Jefferson at a glance
| Population | 7,766 |
| Land area | 5.8 sq mi |
| Density | 1,332 per sq mi |
| Median household income (ZIP 53549) | $80,101 |
| Median home value (ZIP 53549) | $258,772 |
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 | 36 | — | 1.7 |
| 2000s | 41 | +14% | 2.3 |
| 2010s | 37 | -10% | 1.2 |
| 2020s | 44 | +18% | 1.8 |
Reported truck crashes averaged 36 a year in the 1990s and 44 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 2.0 a year in 2016–19, 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Jefferson
How many truck crashes happen in Jefferson?
481 truck crashes have been reported in Jefferson County since 2015, with 21 deaths and 185 injuries.
Where do fatal truck crashes happen most in Jefferson?
Since 2015, I-94 has had the most fatal large-truck crashes within 10 miles of Jefferson: 4.
Which month has the most truck crashes in Jefferson?
The worst month is January: 13.3% of truck crashes in Jefferson County happen then.
How many garbage truck crashes are there in Jefferson?
Garbage trucks were involved in 19 reported crashes in Jefferson County since 2015 (4.0% of truck crashes).
How do truck crashes in Jefferson compare with Wisconsin?
Per 100,000 residents, Jefferson County has 47.7 truck crashes a year; Wisconsin has 42.6.
How can I plan a safer truck route in Jefferson?
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.