Sumner Town, Jefferson County, WI truck route planning & crash data
Plan safer truck routes in Sumner Town, Jefferson County: commercial truck and garbage truck crashes in Sumner Town, Jefferson County and Jefferson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Jefferson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
19 of 481 truck crashes since 2015.
Deadliest roads
How Jefferson County compares with Wisconsin
Jefferson County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 47.7 | 42.6 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 4.6 | 3.4 | 3.4 | 1.4× the state |
| Injuries per crash | 0.39 | 0.46 | 0.49 | 15% below the state |
| Garbage-truck share | 4.2% | 2.7% | 2.3% | 1.5× the state |
| On snow, slush or ice | 15.9% | 13.4% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 31.6% | 26.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 16.8% | 16.5% | 13.8% | same |
| Winter months (Nov–Mar) | 49.7% | 44.9% | 41.9% | 1.1× the state |
| After dark | 21.0% | 20.9% | 24.8% | same |
Jefferson County has lower values than Wisconsin for injuries per crash. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share.
What stands out in Jefferson County: 1 in 24 crashes involve a garbage truck (19 since 2015), vs 2.7% across Wisconsin.
Overview
Jefferson County has recorded 481 truck crashes since 2015, with 185 people injured and 21 killed.
Across the years with complete reporting, that is roughly one truck crash every 9 days.
With 1 truck crash reported in Sumner Town, Jefferson County since 2015, this page uses Jefferson County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in January (13.3% of the year) and are lowest in June (3.7%).
Winter months (Nov–Mar) carry 49.7% of truck crashes, vs 44.9% for Wisconsin.
The busiest hour is 9–10 am, with 9.6% of truck crashes.
Snow, slush or ice was on the road in 15.9% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
Within this area, I-39 had the most fatal crashes involving a large truck since 2015 (3). Next come US-12 (2), US-18 (2) and SR-26 (1).
Garbage & waste trucks
19 crashes involved a garbage or refuse truck, a 4.0% share (Wisconsin: 2.7%).
Route planning tips for Sumner Town, Jefferson County fleets
- Review driver schedules for January, the month with the most truck crashes.
- Look at alternatives to I-39 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 31.6% of truck crashes fall between 6 and 10 am, higher than Wisconsin.
- 15.9% 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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-39 | 3 |
| US-12 | 2 |
| US-18 | 2 |
| SR-26 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| I-094 | 166 |
| Sth 026 | 56 |
| Ush 012 | 22 |
| Ush 018 | 16 |
| Parking Lot | 12 |
| Cth | 9 |
| Cth F | 9 |
| Cth B | 8 |
Sumner Town, Jefferson County at a glance
| Population | 824 |
| Land area | 16.3 sq mi |
| Density | 51 per sq mi |
| Median household income (ZIP 53534) | $89,045 |
| Median home value (ZIP 53534) | $295,048 |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 36 | — | 1.7 |
| 2000s | 41 | +14% | 2.3 |
| 2010s | 37 | -10% | 1.2 |
| 2020s | 44 | +18% | 1.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 36 to 44. Some of the change may reflect how crashes were reported. NHTSA counts 2.0 fatal large-truck crashes a year in 2016–19 and 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Sumner Town, Jefferson County
How common are truck crashes in Sumner Town, Jefferson County?
481 truck crashes have been reported in Jefferson County since 2015, with 21 deaths and 185 injuries.
Where do fatal truck crashes happen most in Sumner Town, Jefferson County?
Since 2015, I-39 has had the most fatal large-truck crashes within 10 miles of Sumner: 3.
When do most truck crashes happen in Sumner Town, Jefferson County?
Truck crashes in Jefferson County peak in January, with 13.3% of the year's crashes.
How many garbage truck crashes are there in Sumner Town, Jefferson County?
19 crashes involving garbage or refuse trucks have been reported in Jefferson County since 2015, 4.0% of all truck crashes.
What is the truck crash rate in Sumner Town, Jefferson County compared with Wisconsin?
Per 100,000 residents, Jefferson County has 47.7 truck crashes a year; Wisconsin has 42.6.
How do I plan a garbage truck route in Sumner Town, Jefferson County?
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.