Greenfield Town, Sauk County, WI truck route planning & crash data
Plan safer truck routes in Greenfield Town, Sauk County: commercial truck and garbage truck crashes in Greenfield Town, Sauk County 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 13.9% of truck crashes happen in January, more than any other month.
Overview
Police reported 467 crashes involving commercial trucks in Sauk County since 2015: 200 people were injured and 23 were killed.
Across the years with complete reporting, that is roughly one truck crash every 9 days.
With 5 truck crashes reported in Greenfield Town, Sauk County since 2015, this page uses Sauk County numbers for its patterns and comparisons.
When crashes happen
January has the most truck crashes, 13.9% of the yearly total, while April has the fewest (6.0%).
Winter months (Nov–Mar) carry 48.1% of truck crashes, vs 44.9% for Wisconsin.
By time of day, 8–9 am stands out with 8.2% of truck crashes.
Snow, slush or ice was on the road in 15.4% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
I-90 leads within 10 miles of Greenfield with 5 fatal crashes involving a large truck since 2015. After it: I-39 (3), SR-33 (3) and CR-CS (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 12 crashes, 2.6% of the total, against 2.7% across Wisconsin.
Route planning tips for Greenfield Town, Sauk County fleets
- Review driver schedules for January, the month with the most truck crashes.
- Look at alternatives to I-90 at busy times: it leads this area in fatal truck crashes.
- The morning rush (6–10 am) holds 29.2% of truck crashes here, more than Wisconsin; adjust start times where you can.
- With 15.4% of truck crashes on snow, slush or ice (above Wisconsin), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 | 5 |
| I-39 | 3 |
| SR-33 | 3 |
| CR-CS | 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 |
Greenfield Town, Sauk County at a glance
| Population | 894 |
| Land area | 27.7 sq mi |
| Density | 32 per sq mi |
| Median household income (ZIP 53913) | $74,629 |
| Median home value (ZIP 53913) | $230,340 |
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 Greenfield Town, Sauk County
How many truck accidents are there in Greenfield Town, Sauk County?
467 truck crashes have been reported in Sauk County since 2015, with 23 deaths and 200 injuries.
Which road has the most fatal truck crashes in Greenfield Town, Sauk County?
I-90 had 5 fatal crashes involving a large truck within 10 miles of Greenfield since 2015, more than any other road.
When do most truck crashes happen in Greenfield Town, Sauk County?
January has the most truck crashes in Sauk County, 13.9% of the yearly total.
How many garbage truck accidents happen in Greenfield Town, Sauk County?
Garbage trucks were involved in 12 reported crashes in Sauk County since 2015 (2.6% of truck crashes).
How do truck crashes in Greenfield Town, Sauk County compare with Wisconsin?
Per 100,000 residents, Sauk County has 60.3 truck crashes a year; Wisconsin has 42.6.
How can I plan a safer truck route in Greenfield Town, Sauk County?
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.