Washington County, WI truck route planning & crash data
Plan safer truck routes in Washington 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
9 of 767 truck crashes since 2015.
Deadliest roads
How Washington County compares with Wisconsin
Washington County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Washington County stands out
Full comparison
| Measure (2015–2025) | Washington County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 47.4 | 42.6 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 3.5 | 3.4 | 3.4 | same |
| Injuries per crash | 0.67 | 0.46 | 0.49 | 1.5× the state |
| Garbage-truck share | 1.0% | 2.7% | 2.3% | 65% below the state |
| On snow, slush or ice | 12.9% | 13.4% | 6.2% | same |
| Morning rush (6–10 am) | 24.3% | 26.9% | 23.7% | 10% below the state |
| In rain, sleet or snow | 20.8% | 16.5% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 37.8% | 44.9% | 41.9% | 16% below the state |
| After dark | 15.1% | 20.9% | 24.8% | 28% below the state |
Washington County has lower values than Wisconsin for garbage-truck share, morning rush (6–10 am) and winter months (nov–mar). Where it is higher: crashes per 100k residents / yr, injuries per crash and in rain, sleet or snow.
What stands out in Washington County: 1 in 103 of truck crashes here involve garbage trucks: 1.0%, vs 2.7% in Wisconsin.
Overview
Since 2015, 767 crashes involving commercial trucks have been reported in Washington County. They injured 520 people and killed 25.
Across the years with complete reporting, that is roughly one truck crash every 6 days.
When crashes happen
Truck crashes peak in April (11.3% of the year) and are lowest in February (6.3%).
November through March accounts for 37.8% of truck crashes here, compared with 44.9% in Wisconsin.
More truck crashes happen at 11 am–12 pm than at any other hour (13.2%).
12.9% of truck crashes here happened on snow, slush or ice, against 13.4% across Wisconsin.
Where crashes happen
The deadliest road for trucks in Washington County is SR-33, with 3 fatal large-truck crashes since 2015. It is followed by I-41 (2), SR-144 (2) and SR-175 (2).
Garbage & waste trucks
9 crashes involved a garbage or refuse truck, a 1.2% share (Wisconsin: 2.7%).
Route planning tips for Washington County fleets
- Plan April schedules with more margin; it is the worst month for truck crashes in Washington County.
- Check whether your routes use SR-33, the road with the most fatal truck crashes in this area.
- 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 Washington County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Washington County) |
|---|---|
| SR-33 | 3 |
| I-41 | 2 |
| SR-144 | 2 |
| SR-175 | 2 |
| US-41 | 2 |
| CR-M | 1 |
| SR-60 | 1 |
| US-45 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Washington County) |
|---|---|
| I-041 | 284 |
| Sth 033 | 54 |
| Sth 060 | 36 |
| Ush 045 | 21 |
| SR-041 | 19 |
| Sth 167 | 17 |
| Cth Q | 16 |
| Sth 145 | 16 |
Washington County at a glance
| Population | 138,727 |
| Land area | 430.6 sq mi |
| Density | 322 per sq mi |
| Median household income (ZIP average) | $96,736 |
Waste facilities and haulers nearby
Historical data: truck crashes in Washington 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 | 52 | — | 1.4 |
| 2000s | 60 | +14% | 1.4 |
| 2010s | 62 | +4% | 1.5 |
| 2020s | 66 | +7% | 1.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 52 to 66. Some of the change may reflect how crashes were reported. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.8 a year in 2020–24.
Cities, towns & communities in Washington County
ZIP codes in Washington County
Nearby counties
Questions fleets ask about Washington County
How many truck accidents are there in Washington County?
767 truck crashes have been reported in Washington County since 2015, with 25 deaths and 520 injuries.
Which road has the most fatal truck crashes in Washington County?
Since 2015, SR-33 has had the most fatal large-truck crashes in Washington County: 3.
Which month has the most truck crashes in Washington County?
Truck crashes in Washington County peak in April, with 11.3% of the year's crashes.
Are garbage truck crashes common in Washington County?
Since 2015, Washington County has reported 9 garbage-truck crashes, or 1.2% of its truck crashes.
What is the truck crash rate in Washington County compared with Wisconsin?
Washington County records 47.4 truck crashes per 100,000 residents a year, against 42.6 across Wisconsin.
What is the best way to plan truck routes in Washington County?
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.