Darien, WI truck route planning & crash data
Plan safer truck routes in Darien: commercial truck and garbage truck crashes in Darien 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 runs above Wisconsin on deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Walworth County: 1 in 20 crashes involve a garbage truck (27 since 2015), vs 2.7% across Wisconsin.
Overview
Since 2015, 538 crashes involving commercial trucks have been reported in Walworth County. They injured 279 people and killed 29.
Across the years with complete reporting, that is roughly one truck crash every 8 days.
Only 60 truck crashes were reported in Darien since 2015; patterns below come from Walworth County as a whole.
When crashes happen
The worst month is August with 11.0% of truck crashes; the quietest is May at 5.8%.
Winter months (Nov–Mar) carry 43.3% of truck crashes, vs 44.9% for Wisconsin.
The busiest hour is 12–1 pm, 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
Roads with fatal crashes involving a large truck within 10 miles of Darien since 2015: CR-K (3), I-43 (3), US-14 (3), CR-O (2) and Carvers Rock Rd (1). No single road stands out.
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).
Deaths per 100 garbage-truck crashes: 4.0, vs 5.5 for all truck crashes.
Route planning tips for Darien 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.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Walworth County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-K | 3 |
| I-43 | 3 |
| US-14 | 3 |
| CR-O | 2 |
| Carvers Rock Rd | 1 |
| SR-140 | 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 |
Darien at a glance
| Population | 1,540 |
| Land area | 1.5 sq mi |
| Density | 1,015 per sq mi |
| Median household income (ZIP 53114) | $72,708 |
| Median home value (ZIP 53114) | $241,174 |
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 |
In the 1990s about 35 truck crashes a year were reported; in the 2020s, about 48. Reporting coverage also changed between these periods. 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 Darien
How many truck accidents are there in Darien?
Walworth County has had 538 reported truck crashes since 2015, injuring 279 people and killing 29.
Which month has the most truck crashes in Darien?
Truck crashes in Walworth County peak in August, with 11.0% of the year's crashes.
How many garbage truck accidents happen in Darien?
Since 2015, Walworth County has reported 27 garbage-truck crashes, or 5.0% of its truck crashes.
What is the truck crash rate in Darien compared with Wisconsin?
Per 100,000 residents, Walworth County has 43.7 truck crashes a year; Wisconsin has 42.6.
What is the best way to plan truck routes in Darien?
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.