Delavan, WI truck route planning & crash data
Plan safer truck routes in Delavan: commercial truck and garbage truck crashes in Delavan 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 |
Compared with Wisconsin, Walworth County is lower on 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
Walworth County has recorded 538 truck crashes since 2015, with 279 people injured and 29 killed.
Across the years with complete reporting, that is roughly one truck crash every 8 days.
With 50 truck crashes reported in Delavan since 2015, this page uses Walworth County numbers for its patterns and comparisons.
When crashes happen
The worst month is August with 11.0% of truck crashes; the quietest is May at 5.8%.
November through March accounts for 43.3% of truck crashes here, compared with 44.9% in Wisconsin.
By time of day, 12–1 pm stands out with 9.0% of truck crashes.
9.6% of truck crashes here happened on snow, slush or ice, against 13.4% across Wisconsin.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Delavan happened on CR-K (3), US-12 (3), CR-O (2), SR-50 (1) and US-14 (1); no road leads clearly.
Garbage & waste trucks
27 crashes involved a garbage or refuse truck, a 5.0% share (Wisconsin: 2.7%).
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 Delavan fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Walworth County.
- For residential and commercial waste routes, look again at June schedules: garbage-truck crashes peak then.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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 |
| US-12 | 3 |
| CR-O | 2 |
| SR-50 | 1 |
| US-14 | 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 |
Delavan at a glance
| Population | 9,055 |
| Land area | 7.4 sq mi |
| Density | 1,221 per sq mi |
| Median household income (ZIP 53115) | $72,304 |
| Median home value (ZIP 53115) | $251,463 |
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 large-truck crashes: 2.2 a year in 2016–19, 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Delavan
How many truck accidents are there in Delavan?
Since 2015, 538 crashes involving commercial trucks were reported in Walworth County (279 injured, 29 killed).
Which month has the most truck crashes in Delavan?
August has the most truck crashes in Walworth County, 11.0% of the yearly total.
Are garbage truck crashes common in Delavan?
Garbage trucks were involved in 27 reported crashes in Walworth County since 2015 (5.0% of truck crashes).
How do truck crashes in Delavan compare with Wisconsin?
The yearly rate is 43.7 truck crashes per 100,000 residents in Walworth County, vs 42.6 for Wisconsin.
How can I plan a safer truck route in Delavan?
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.