Delton, WI truck route planning & crash data
Plan safer truck routes in Delton: commercial truck and garbage truck crashes in Delton 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 has lower values than Wisconsin for 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 the month with the most truck crashes: 13.9% of the year's total.
Overview
Sauk County has recorded 467 truck crashes since 2015, with 200 people injured and 23 killed.
In complete reporting years that works out to about one truck crash every 9 days.
Only 99 truck crashes were reported in Delton since 2015; patterns below come from Sauk County as a whole.
When crashes happen
Truck crashes peak in January (13.9% of the year) and are lowest in April (6.0%).
November through March accounts for 48.1% of truck crashes here, compared with 44.9% in Wisconsin.
More truck crashes happen at 8–9 am than at any other hour (8.2%).
Road surface: 15.4% of truck crashes were on snow, slush or ice (Wisconsin: 13.4%).
Where crashes happen
I-90 leads within 10 miles of Delton with 8 fatal crashes involving a large truck since 2015. After it: CR-H (2), SR-23 (2) and CR-COON Bluff Rd (1).
Garbage & waste trucks
12 crashes involved a garbage or refuse truck, a 2.6% share (Wisconsin: 2.7%).
Route planning tips for Delton 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.
- Morning starts matter: 29.2% of truck crashes fall between 6 and 10 am, higher than Wisconsin.
- With 15.4% of truck crashes on snow, slush or ice (above Wisconsin), plan winter equipment checks early.
- 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 Sauk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 8 |
| CR-H | 2 |
| SR-23 | 2 |
| CR-COON Bluff Rd | 1 |
| SR-136 | 1 |
| SR-33 | 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 |
Delton at a glance
| Population | 2,457 |
| Land area | 27.6 sq mi |
| Density | 89 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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 38 to 42. Some of the change may reflect how crashes were reported. 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 Delton
How many truck crashes happen in Delton?
467 truck crashes have been reported in Sauk County since 2015, with 23 deaths and 200 injuries.
Where do fatal truck crashes happen most in Delton?
I-90 had 8 fatal crashes involving a large truck within 10 miles of Delton since 2015, more than any other road.
What is the worst month for truck crashes in Delton?
The worst month is January: 13.9% of truck crashes in Sauk County happen then.
How many garbage truck crashes are there in Delton?
Since 2015, Sauk County has reported 12 garbage-truck crashes, or 2.6% of its truck crashes.
What is the truck crash rate in Delton compared with Wisconsin?
Sauk County records 60.3 truck crashes per 100,000 residents a year, against 42.6 across Wisconsin.
How can I plan a safer truck route in Delton?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.