Sullivan, WI truck route planning & crash data
Plan safer truck routes in Sullivan: commercial truck and garbage truck crashes in Sullivan 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 |
Compared with Wisconsin, Jefferson County is lower on 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.
That averages about one truck crash every 9 days in fully reported years.
Only 3 truck crashes were reported in Sullivan 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%.
Winter months (Nov–Mar) carry 49.7% of truck crashes, vs 44.9% for Wisconsin.
The busiest hour is 9–10 am, with 9.6% of truck crashes.
15.9% of truck crashes here happened on snow, slush or ice, against 13.4% across Wisconsin.
Where crashes happen
Fatal large-truck crashes within 10 miles of Sullivan since 2015 were spread across roads: CR-C (2), I-94 (2), 4th St (1), CR-Y (1) and SR-26 (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 Sullivan fleets
- Review driver schedules for January, the month with the most truck crashes.
- The morning rush (6–10 am) holds 31.6% of truck crashes here, more than Wisconsin; adjust start times where you can.
- With 15.9% of truck crashes on snow, slush or ice (above Wisconsin), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-C | 2 |
| I-94 | 2 |
| 4th St | 1 |
| CR-Y | 1 |
| SR-26 | 1 |
| SR-59 | 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 |
Sullivan at a glance
| Population | 653 |
| Land area | 1.1 sq mi |
| Density | 575 per sq mi |
| Median household income (ZIP 53178) | $99,875 |
| Median home value (ZIP 53178) | $371,287 |
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 crashes involving a large truck averaged 2.0 a year in 2016–19 and 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Sullivan
How many truck accidents are there in Sullivan?
481 truck crashes have been reported in Jefferson County since 2015, with 21 deaths and 185 injuries.
Which month has the most truck crashes in Sullivan?
Truck crashes in Jefferson County peak in January, with 13.3% of the year's crashes.
Are garbage truck crashes common in Sullivan?
Since 2015, Jefferson County has reported 19 garbage-truck crashes, or 4.0% of its truck crashes.
How does Sullivan compare with Wisconsin for truck crashes?
The yearly rate is 47.7 truck crashes per 100,000 residents in Jefferson County, vs 42.6 for Wisconsin.
How do I plan a garbage truck route in Sullivan?
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.