Greenfield, WI truck route planning & crash data
Plan safer truck routes in Greenfield: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 372 truck crashes since 2015.
Deadliest roads
How Greenfield compares with Wisconsin
Greenfield against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Greenfield stands out
Full comparison
| Measure (2015–2025) | Greenfield | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 86.2 | 42.6 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 1.4 | 3.4 | 3.4 | 59% below the state |
| Injuries per crash | 0.40 | 0.46 | 0.49 | 13% below the state |
| Garbage-truck share | 1.7% | 2.7% | 2.3% | 38% below the state |
| On snow, slush or ice | 4.5% | 13.4% | 6.2% | 66% below the state |
| Morning rush (6–10 am) | 27.5% | 26.9% | 23.7% | same |
| In rain, sleet or snow | 11.3% | 16.5% | 13.8% | 31% below the state |
| Winter months (Nov–Mar) | 38.0% | 44.9% | 41.9% | 15% below the state |
| After dark | 17.3% | 20.9% | 24.8% | 17% below the state |
Compared with Wisconsin, Greenfield is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr.
What stands out in Greenfield: I-41 deadliest road: 4 fatal truck crashes within 10 miles of Greenfield since 2015.
Overview
Police reported 372 crashes involving commercial trucks in Greenfield since 2015: 149 people were injured and 5 were killed.
Across the years with complete reporting, that is roughly one truck crash every 11 days.
When crashes happen
June has the most truck crashes, 12.4% of the yearly total, while March has the fewest (5.4%).
Winter months (Nov–Mar) carry 38.0% of truck crashes, vs 44.9% for Wisconsin.
The busiest hour is 7–8 am, with 8.3% of truck crashes.
Road surface: 4.5% of truck crashes were on snow, slush or ice (Wisconsin: 13.4%).
Where crashes happen
Within this area, I-41 had the most fatal crashes involving a large truck since 2015 (4). Next come SR-145 (3), I-43 (2) and I-94 (2).
Garbage & waste trucks
Garbage trucks account for 7 of the truck crashes here, or 1.9%, compared with 2.7% in Wisconsin.
Route planning tips for Greenfield fleets
- Build extra time into June routes: it has the most truck crashes here.
- Where you can, review stops along I-41; it has the most fatal large-truck crashes nearby.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Greenfield
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-41 | 4 |
| SR-145 | 3 |
| I-43 | 2 |
| I-94 | 2 |
| SR-100 | 2 |
| US-45 | 2 |
| 13th St S | 1 |
| CR-I | 1 |
| CR-JJ | 1 |
| CR-U 76Th St S | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Greenfield) |
|---|---|
| I-041 | 245 |
| Sth 036 | 15 |
| I-043 | 15 |
| Cth Y | 15 |
| Cth U | 9 |
| Ush 045 | 9 |
| SR-043 | 4 |
| Sth 241 | 3 |
Greenfield at a glance
| Population | 37,232 |
| Land area | 11.5 sq mi |
| Density | 3,229 per sq mi |
| Median household income (ZIP 53220) | $69,319 |
| Median home value (ZIP 53220) | $229,054 |
Waste facilities and haulers nearby
Historical data: truck crashes in Greenfield 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 | 26 | — | 4.5 |
| 2000s | 28 | +9% | 3.0 |
| 2010s | 24 | -17% | 2.2 |
| 2020s | 32 | +36% | 4.0 |
Reported truck crashes averaged 26 a year in the 1990s and 32 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.2 fatal large-truck crashes a year in 2016–19 and 4.0 a year in 2020–24.
Nearby places
Questions fleets ask about Greenfield
How many truck crashes happen in Greenfield?
Since 2015, 372 crashes involving commercial trucks were reported in Greenfield (149 injured, 5 killed).
Which road has the most fatal truck crashes in Greenfield?
Since 2015, I-41 has had the most fatal large-truck crashes within 10 miles of Greenfield: 4.
Which month has the most truck crashes in Greenfield?
The worst month is June: 12.4% of truck crashes in Greenfield happen then.
How many garbage truck accidents happen in Greenfield?
Garbage trucks were involved in 7 reported crashes in Greenfield since 2015 (1.9% of truck crashes).
How does Greenfield compare with Wisconsin for truck crashes?
Greenfield records 86.2 truck crashes per 100,000 residents a year, against 42.6 across Wisconsin.
What is the best way to plan truck routes in Greenfield?
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.