Williams Bay, WI truck route planning & crash data
Plan safer truck routes in Williams Bay: commercial truck and garbage truck crashes in Williams Bay and Walworth County, dangerous roads, seasonality and route safety data for fleets. Patterns use Walworth County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.0 deaths per 100 garbage-truck crashes vs 5.5 for all trucks.
Deadliest roads
How Walworth County compares with Wisconsin
Walworth County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Walworth County stands out
Full comparison
| Measure (2015–2025) | Walworth County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 43.7 | 42.6 | 49.7 | same |
| Deaths per 100 crashes | 5.5 | 3.4 | 3.4 | 1.6× the state |
| Injuries per crash | 0.53 | 0.46 | 0.49 | 1.2× the state |
| Garbage-truck share | 4.9% | 2.7% | 2.3% | 1.8× the state |
| On snow, slush or ice | 9.6% | 13.4% | 6.2% | 28% below the state |
| Morning rush (6–10 am) | 27.7% | 26.9% | 23.7% | same |
| In rain, sleet or snow | 11.4% | 16.5% | 13.8% | 31% below the state |
| Winter months (Nov–Mar) | 43.3% | 44.9% | 41.9% | same |
| After dark | 18.2% | 20.9% | 24.8% | 13% below the state |
Walworth County has lower values than Wisconsin for on snow, slush or ice, in rain, sleet or snow and after dark. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Walworth County: 1 in 20 of truck crashes here involve garbage trucks: 4.9%, vs 2.7% in Wisconsin.
Overview
Since 2015, 538 crashes involving commercial trucks have been reported in Walworth County. They injured 279 people and killed 29.
That averages about one truck crash every 8 days in fully reported years.
With 0 truck crashes reported in Williams Bay since 2015, this page uses Walworth County numbers for its patterns and comparisons.
When crashes happen
August has the most truck crashes, 11.0% of the yearly total, while May has the fewest (5.8%).
The five winter months (November to March) hold 43.3% of truck crashes, against 44.9% across Wisconsin.
By time of day, 12–1 pm stands out with 9.0% of truck crashes.
Road surface: 9.6% of truck crashes were on snow, slush or ice (Wisconsin: 13.4%).
Where crashes happen
Within this area, CR-K had the most fatal crashes involving a large truck since 2015 (3). After it: CR-O (2), SR-120 (2) and US-12 (2).
Garbage & waste trucks
Garbage and refuse trucks were involved in 27 crashes, 5.0% of the total, against 2.7% across Wisconsin.
Garbage-truck crashes peak in June (22% of them).
Per 100 crashes, garbage trucks recorded 4.0 deaths compared with 5.5 for all trucks.
Route planning tips for Williams Bay fleets
- Build extra time into August routes: it has the most truck crashes here.
- Check whether your routes use CR-K, the road with the most fatal truck crashes in this area.
- Waste haulers: June is the peak month for garbage-truck crashes in Walworth 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 Walworth County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-K | 3 |
| CR-O | 2 |
| SR-120 | 2 |
| US-12 | 2 |
| CR-B | 1 |
| CR-H Interchange North | 1 |
| SR-50 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Walworth County) |
|---|---|
| I-043 | 93 |
| Ush 012 | 85 |
| Sth 120 | 33 |
| Ush 014 | 31 |
| Sth 011 | 28 |
| Sth 067 | 22 |
| Sth 050 | 17 |
| Sth 020 | 13 |
Williams Bay at a glance
| Population | 2,961 |
| Land area | 2.8 sq mi |
| Density | 1,066 per sq mi |
| Median household income (ZIP 53191) | $75,833 |
| Median home value (ZIP 53191) | $415,291 |
Waste facilities and haulers nearby
Historical data: truck crashes in Walworth 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 | 35 | — | 1.9 |
| 2000s | 42 | +21% | 0.9 |
| 2010s | 42 | -2% | 2.1 |
| 2020s | 48 | +15% | 2.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 35 to 48. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 2.2 a year in 2016–19 and 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Williams Bay
How many truck crashes happen in Williams Bay?
538 truck crashes have been reported in Walworth County since 2015, with 29 deaths and 279 injuries.
What is the most dangerous road for trucks in Williams Bay?
Since 2015, CR-K has had the most fatal large-truck crashes within 10 miles of Williams Bay: 3.
What is the worst month for truck crashes in Williams Bay?
The worst month is August: 11.0% of truck crashes in Walworth County happen then.
Are garbage truck crashes common in Williams Bay?
27 crashes involving garbage or refuse trucks have been reported in Walworth County since 2015, 5.0% of all truck crashes.
What is the truck crash rate in Williams Bay compared with Wisconsin?
The yearly rate is 43.7 truck crashes per 100,000 residents in Walworth County, vs 42.6 for Wisconsin.
What is the best way to plan truck routes in Williams Bay?
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.