Dellona, WI truck route planning & crash data
Plan safer truck routes in Dellona: commercial truck and garbage truck crashes in Dellona and Sauk County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sauk County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
12 of 467 truck crashes since 2015.
Deadliest roads
How Sauk County compares with Wisconsin
Sauk County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sauk County stands out
Full comparison
| Measure (2015–2025) | Sauk County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 60.3 | 42.6 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 4.8 | 3.4 | 3.4 | 1.4× the state |
| Injuries per crash | 0.42 | 0.46 | 0.49 | 9% below the state |
| Garbage-truck share | 2.7% | 2.7% | 2.3% | same |
| On snow, slush or ice | 15.4% | 13.4% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 29.2% | 26.9% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 19.3% | 16.5% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 48.1% | 44.9% | 41.9% | 1.1× the state |
| After dark | 25.4% | 20.9% | 24.8% | 1.2× the state |
Sauk County sits below Wisconsin on injuries per crash. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Sauk County: January worst month: 13.9% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 467 crashes involving commercial trucks have been reported in Sauk County. They injured 200 people and killed 23.
Across the years with complete reporting, that is roughly one truck crash every 9 days.
Only 7 truck crashes were reported in Dellona since 2015; patterns below come from Sauk County as a whole.
When crashes happen
The worst month is January with 13.9% of truck crashes; the quietest is April at 6.0%.
Winter months (Nov–Mar) carry 48.1% of truck crashes, vs 44.9% for Wisconsin.
More truck crashes happen at 8–9 am than at any other hour (8.2%).
Snow, slush or ice was on the road in 15.4% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
The deadliest road for trucks within 10 miles of Dellona is I-90, with 5 fatal large-truck crashes since 2015. After it: CR-H (2), SR-23 (2) and CR-COON Bluff Rd (1).
Garbage & waste trucks
Garbage trucks account for 12 of the truck crashes here, or 2.6%, compared with 2.7% in Wisconsin.
Route planning tips for Dellona fleets
- Review driver schedules for January, the month with the most truck crashes.
- Where you can, review stops along I-90; it has the most fatal large-truck crashes nearby.
- The morning rush (6–10 am) holds 29.2% of truck crashes here, more than Wisconsin; adjust start times where you can.
- Icy and snowy roads show up in 15.4% of truck crashes here, more than Wisconsin; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Sauk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 5 |
| CR-H | 2 |
| SR-23 | 2 |
| CR-COON Bluff Rd | 1 |
| SR-13 | 1 |
| SR-136 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sauk County) |
|---|---|
| I-090 | 200 |
| Sth 023 | 38 |
| Ush 012 | 21 |
| Sth 033 | 18 |
| Ush 014 | 13 |
| SR-090 | 10 |
| Sth 060 | 9 |
| Sth 136 | 7 |
Dellona at a glance
| Population | 1,920 |
| Land area | 35.0 sq mi |
| Density | 55 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Sauk 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 | 38 | — | 1.7 |
| 2000s | 50 | +33% | 1.4 |
| 2010s | 39 | -23% | 1.1 |
| 2020s | 42 | +8% | 2.0 |
Reported truck crashes averaged 38 a year in the 1990s and 42 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Dellona
How common are truck crashes in Dellona?
Sauk County has had 467 reported truck crashes since 2015, injuring 200 people and killing 23.
What is the most dangerous road for trucks in Dellona?
NHTSA data shows I-90 with 5 fatal large-truck crashes within 10 miles of Dellona since 2015, the highest of any road.
Which month has the most truck crashes in Dellona?
January has the most truck crashes in Sauk County, 13.9% of the yearly total.
Are garbage truck crashes common in Dellona?
Since 2015, Sauk County has reported 12 garbage-truck crashes, or 2.6% of its truck crashes.
How do truck crashes in Dellona compare with Wisconsin?
Per 100,000 residents, Sauk County has 60.3 truck crashes a year; Wisconsin has 42.6.
How do I plan a garbage truck route in Dellona?
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.