Grafton, WI truck route planning & crash data
Plan safer truck routes in Grafton: commercial truck and garbage truck crashes in Grafton and Ozaukee County, dangerous roads, seasonality and route safety data for fleets. Patterns use Ozaukee County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
13 of 404 truck crashes since 2015.
Deadliest roads
How Ozaukee County compares with Wisconsin
Ozaukee County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Ozaukee County stands out
Full comparison
| Measure (2015–2025) | Ozaukee County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 36.8 | 42.6 | 49.7 | 14% below the state |
| Deaths per 100 crashes | 4.2 | 3.4 | 3.4 | 1.2× the state |
| Injuries per crash | 0.37 | 0.46 | 0.49 | 20% below the state |
| Garbage-truck share | 3.2% | 2.7% | 2.3% | 1.2× the state |
| On snow, slush or ice | 9.2% | 13.4% | 6.2% | 31% below the state |
| Morning rush (6–10 am) | 27.4% | 26.9% | 23.7% | same |
| In rain, sleet or snow | 16.8% | 16.5% | 13.8% | same |
| Winter months (Nov–Mar) | 48.2% | 44.9% | 41.9% | 1.1× the state |
| After dark | 20.8% | 20.9% | 24.8% | same |
Ozaukee County has lower values than Wisconsin for crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. Where it is higher: deaths per 100 crashes, garbage-truck share and winter months (nov–mar).
What stands out in Grafton: I-43 most fatal truck crashes within 10 miles of Grafton: 3 since 2015.
Overview
Since 2015, 404 crashes involving commercial trucks have been reported in Ozaukee County. They injured 149 people and killed 16.
That averages about one truck crash every 11 days in fully reported years.
Grafton had 72 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Ozaukee County numbers.
When crashes happen
Truck crashes peak in January (12.4% of the year) and are lowest in November (5.4%).
The five winter months (November to March) hold 48.2% of truck crashes, against 44.9% across Wisconsin.
By time of day, 12–1 pm stands out with 10.4% of truck crashes.
Snow, slush or ice was on the road in 9.2% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
I-43 leads within 10 miles of Grafton with 3 fatal crashes involving a large truck since 2015. Next come Bridge St (1), SR-100 (1) and SR-33 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 13 crashes, 3.2% of the total, against 2.7% across Wisconsin.
Route planning tips for Grafton fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check whether your routes use I-43, the road with the most fatal truck crashes in this area.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Ozaukee County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-43 | 3 |
| Bridge St | 1 |
| SR-100 | 1 |
| SR-33 | 1 |
| SR-57 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Ozaukee County) |
|---|---|
| I-043 | 147 |
| Sth 057 | 26 |
| Sth 060 | 12 |
| Sth 167 | 12 |
| Donges Bay Rd | 9 |
| Sth 033 | 9 |
| Sth 181 | 9 |
| Cth C | 8 |
Grafton at a glance
| Population | 12,741 |
| Land area | 5.3 sq mi |
| Density | 2,390 per sq mi |
| Median household income (ZIP 53024) | $92,390 |
| Median home value (ZIP 53024) | $367,459 |
Waste facilities and haulers nearby
Historical data: truck crashes in Ozaukee 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 | 30 | — | 1.3 |
| 2000s | 38 | +26% | 1.5 |
| 2010s | 33 | -13% | 0.3 |
| 2020s | 34 | +2% | 1.2 |
Reported truck crashes averaged 30 a year in the 1990s and 34 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 1.2 a year in 2020–24.
Nearby places
Questions fleets ask about Grafton
How many truck crashes happen in Grafton?
404 truck crashes have been reported in Ozaukee County since 2015, with 16 deaths and 149 injuries.
What is the most dangerous road for trucks in Grafton?
I-43 had 3 fatal crashes involving a large truck within 10 miles of Grafton since 2015, more than any other road.
What is the worst month for truck crashes in Grafton?
January has the most truck crashes in Ozaukee County, 12.4% of the yearly total.
How many garbage truck crashes are there in Grafton?
Garbage trucks were involved in 13 reported crashes in Ozaukee County since 2015 (3.2% of truck crashes).
How does Grafton compare with Wisconsin for truck crashes?
The yearly rate is 36.8 truck crashes per 100,000 residents in Ozaukee County, vs 42.6 for Wisconsin.
What is the best way to plan truck routes in Grafton?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.