Seneca, WI truck route planning & crash data
Plan safer truck routes in Seneca: commercial truck and garbage truck crashes in Seneca and Crawford County, dangerous roads, seasonality and route safety data for fleets. Patterns use Crawford County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 101 truck crashes since 2015.
Deadliest roads
How Crawford County compares with Wisconsin
Crawford County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Crawford County stands out
Full comparison
| Measure (2015–2025) | Crawford County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.0 | 42.6 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 6.3 | 3.4 | 3.4 | 1.9× the state |
| Injuries per crash | 0.43 | 0.46 | 0.49 | same |
| Garbage-truck share | 3.2% | 2.7% | 2.3% | 1.2× the state |
| On snow, slush or ice | 10.5% | 13.4% | 6.2% | 21% below the state |
| Morning rush (6–10 am) | 24.2% | 26.9% | 23.7% | 10% below the state |
| In rain, sleet or snow | 14.7% | 16.5% | 13.8% | 11% below the state |
| Winter months (Nov–Mar) | 44.2% | 44.9% | 41.9% | same |
| After dark | 15.8% | 20.9% | 24.8% | 24% below the state |
Crawford County has lower values than Wisconsin for on snow, slush or ice, morning rush (6–10 am) and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share.
What stands out in Crawford County: January 14.9% of truck crashes happen in January, more than any other month.
Overview
Since 2015, 101 crashes involving commercial trucks have been reported in Crawford County. They injured 43 people and killed 7.
In complete reporting years that works out to about one truck crash every 42 days.
Only 9 truck crashes were reported in Seneca since 2015; patterns below come from Crawford County as a whole.
When crashes happen
January has the most truck crashes, 14.9% of the yearly total, while October has the fewest (3.0%).
November through March accounts for 44.2% of truck crashes here, compared with 44.9% in Wisconsin.
The busiest hour is 10–11 am, with 10.9% of truck crashes.
Snow, slush or ice was on the road in 10.5% of truck crashes, compared with 13.4% in Wisconsin.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Seneca happened on SR-35 (2); no road leads clearly.
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 3.0% share (Wisconsin: 2.7%).
Route planning tips for Seneca fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Crawford County.
- 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 Crawford County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-35 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Crawford County) |
|---|---|
| Sth 035 | 18 |
| Ush 018 | 14 |
| Ush 061 | 12 |
| Sth 027 | 10 |
| Cth | 4 |
| Sth 060 | 4 |
| Taylor Ridge Rd | 3 |
| Rush Creek Rd | 2 |
Seneca at a glance
| Population | 923 |
| Land area | 0.8 sq mi |
| Density | 1,098 per sq mi |
| Median household income (ZIP 54654) | $68,304 |
| Median home value (ZIP 54654) | $142,483 |
Waste facilities and haulers nearby
Historical data: truck crashes in Crawford 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 | 10 | — | 0.5 |
| 2000s | 10 | +1% | 0.3 |
| 2010s | 8 | -15% | 0.1 |
| 2020s | 8 | -7% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 10 to 8. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Seneca
How many truck accidents are there in Seneca?
Since 2015, 101 crashes involving commercial trucks were reported in Crawford County (43 injured, 7 killed).
What is the worst month for truck crashes in Seneca?
Truck crashes in Crawford County peak in January, with 14.9% of the year's crashes.
How many garbage truck crashes are there in Seneca?
Since 2015, Crawford County has reported 3 garbage-truck crashes, or 3.0% of its truck crashes.
How do truck crashes in Seneca compare with Wisconsin?
The yearly rate is 54.0 truck crashes per 100,000 residents in Crawford County, vs 42.6 for Wisconsin.
How do I plan a garbage truck route in Seneca?
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.