Lake Delton, WI truck route planning & crash data
Plan safer truck routes in Lake Delton: commercial truck and garbage truck crashes in Lake 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 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.
What stands out in Sauk County: January the month with the most truck crashes: 13.9% of the year's total.
Overview
Police reported 467 crashes involving commercial trucks in Sauk County since 2015: 200 people were injured and 23 were killed.
That averages about one truck crash every 9 days in fully reported years.
Lake Delton had 74 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Sauk County numbers.
When crashes happen
Truck crashes peak in January (13.9% of the year) and are lowest in April (6.0%).
Winter months (Nov–Mar) carry 48.1% of truck crashes, vs 44.9% for Wisconsin.
The busiest hour is 8–9 am, with 8.2% of truck crashes.
15.4% of truck crashes here happened on snow, slush or ice, against 13.4% across Wisconsin.
Where crashes happen
The deadliest road for trucks within 10 miles of Lake Delton is I-90, with 8 fatal large-truck crashes since 2015. Next come CR-H (2), SR-23 (2) and CR-B (1).
Garbage & waste trucks
12 crashes involved a garbage or refuse truck, a 2.6% share (Wisconsin: 2.7%).
Route planning tips for Lake Delton fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Sauk County.
- Check whether your routes use I-90, the road with the most fatal truck crashes in this area.
- 29.2% of truck crashes happen between 6 and 10 am, above Wisconsin; consider earlier or later starts where possible.
- 15.4% of truck crashes were on snow, slush or ice, above Wisconsin; plan winter equipment checks before the season.
- 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-B | 1 |
| CR-COON Bluff Rd | 1 |
| SR-13 | 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 |
Lake Delton at a glance
| Population | 3,466 |
| Land area | 7.6 sq mi |
| Density | 455 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. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Lake Delton
How many truck accidents are there in Lake Delton?
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 Lake Delton?
Since 2015, I-90 has had the most fatal large-truck crashes within 10 miles of Lake Delton: 8.
Which month has the most truck crashes in Lake Delton?
Truck crashes in Sauk County peak in January, with 13.9% of the year's crashes.
How many garbage truck crashes are there in Lake Delton?
Garbage trucks were involved in 12 reported crashes in Sauk County since 2015 (2.6% of truck crashes).
How does Lake Delton compare with Wisconsin for truck crashes?
The yearly rate is 60.3 truck crashes per 100,000 residents in Sauk County, vs 42.6 for Wisconsin.
What is the best way to plan truck routes in Lake 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.