Harmony Town, Rock County, WI truck route planning & crash data
Plan safer truck routes in Harmony Town, Rock County: commercial truck and garbage truck crashes in Harmony Town, Rock County and Rock County, dangerous roads, seasonality and route safety data for fleets. Patterns use Rock County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
13 of 1,235 truck crashes since 2015.
Deadliest roads
How Rock County compares with Wisconsin
Rock County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Rock County stands out
Full comparison
| Measure (2015–2025) | Rock County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 64.5 | 42.6 | 49.7 | 1.5× the state |
| Deaths per 100 crashes | 3.2 | 3.4 | 3.4 | same |
| Injuries per crash | 0.58 | 0.46 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.0% | 2.7% | 2.3% | 63% below the state |
| On snow, slush or ice | 16.3% | 13.4% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 20.8% | 26.9% | 23.7% | 23% below the state |
| In rain, sleet or snow | 22.7% | 16.5% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 50.6% | 44.9% | 41.9% | 1.1× the state |
| After dark | 28.4% | 20.9% | 24.8% | 1.4× the state |
Rock County has lower values than Wisconsin for garbage-truck share and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
Rock County at a glance: January the month with the most truck crashes: 16.9% of the year's total.
Overview
Rock County has recorded 1,235 truck crashes since 2015, with 702 people injured and 38 killed.
That averages about one truck crash every 3 days in fully reported years.
With 64 truck crashes reported in Harmony Town, Rock County since 2015, this page uses Rock County numbers for its patterns and comparisons.
When crashes happen
January has the most truck crashes, 16.9% of the yearly total, while April has the fewest (5.3%).
The five winter months (November to March) hold 50.6% of truck crashes, against 44.9% across Wisconsin.
More truck crashes happen at 12–1 pm than at any other hour (11.4%).
16.3% of truck crashes here happened on snow, slush or ice, against 13.4% across Wisconsin.
Where crashes happen
Within this area, I-39 had the most fatal crashes involving a large truck since 2015 (6). Next come US-14 (5), CR-M (1) and Carvers Rock Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 13 crashes, 1.1% of the total, against 2.7% across Wisconsin.
Route planning tips for Harmony Town, Rock County fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Rock County.
- Look at alternatives to I-39 at busy times: it leads this area in fatal truck crashes.
- 16.3% of truck crashes were on snow, slush or ice, above Wisconsin; plan winter equipment checks before the season.
- 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 Rock County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-39 | 6 |
| US-14 | 5 |
| CR-M | 1 |
| Carvers Rock Rd | 1 |
| N River Rd | 1 |
| SR-11 | 1 |
| SR-26 | 1 |
| SR-59 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Rock County) |
|---|---|
| I-039 | 549 |
| I-043 | 53 |
| Ush 014 | 46 |
| Sth 011 | 39 |
| SR-039 | 36 |
| Sth 081 | 35 |
| Ush 051 | 23 |
| Sth 059 | 20 |
Harmony Town, Rock County at a glance
| Population | 2,561 |
| Land area | 21.5 sq mi |
| Density | 119 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Rock 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 | 82 | — | 2.4 |
| 2000s | 111 | +35% | 2.8 |
| 2010s | 99 | -11% | 3.0 |
| 2020s | 103 | +5% | 3.0 |
In the 1990s about 82 truck crashes a year were reported; in the 2020s, about 103. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 3.2 a year in 2016–19 and 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Harmony Town, Rock County
How many truck crashes happen in Harmony Town, Rock County?
1,235 truck crashes have been reported in Rock County since 2015, with 38 deaths and 702 injuries.
Where do fatal truck crashes happen most in Harmony Town, Rock County?
Since 2015, I-39 has had the most fatal large-truck crashes within 10 miles of Harmony: 6.
What is the worst month for truck crashes in Harmony Town, Rock County?
The worst month is January: 16.9% of truck crashes in Rock County happen then.
How many garbage truck accidents happen in Harmony Town, Rock County?
Since 2015, Rock County has reported 13 garbage-truck crashes, or 1.1% of its truck crashes.
What is the truck crash rate in Harmony Town, Rock County compared with Wisconsin?
The yearly rate is 64.5 truck crashes per 100,000 residents in Rock County, vs 42.6 for Wisconsin.
How can I plan a safer truck route in Harmony Town, Rock 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.