Plymouth Town, Rock County, WI truck route planning & crash data
Plan safer truck routes in Plymouth Town, Rock County: commercial truck and garbage truck crashes in Plymouth 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 runs above Wisconsin on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
Rock County at a glance: January worst month: 16.9% of truck crashes, vs 8.3% in an average month.
Overview
Police reported 1,235 crashes involving commercial trucks in Rock County since 2015: 702 people were injured and 38 were killed.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
Plymouth Town, Rock County had 6 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Rock County numbers.
When crashes happen
The worst month is January with 16.9% of truck crashes; the quietest is April at 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, SR-81 had the most fatal crashes involving a large truck since 2015 (3). It is followed by SR-11 (2), CR-B (1) and CR-G (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 Plymouth Town, Rock County fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Rock County.
- Check whether your routes use SR-81, the road with the most fatal truck crashes in this area.
- 16.3% of truck crashes were on snow, slush or ice, above Wisconsin; plan winter equipment checks before the season.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Rock County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-81 | 3 |
| SR-11 | 2 |
| CR-B | 1 |
| CR-G | 1 |
| N River Rd | 1 |
| SR-213 | 1 |
| US-14 | 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 |
Plymouth Town, Rock County at a glance
| Population | 1,172 |
| Land area | 35.5 sq mi |
| Density | 33 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 |
Reported truck crashes averaged 82 a year in the 1990s and 103 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 3.2 a year in 2016–19, 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Plymouth Town, Rock County
How many truck accidents are there in Plymouth Town, Rock County?
Rock County has had 1,235 reported truck crashes since 2015, injuring 702 people and killing 38.
Which road has the most fatal truck crashes in Plymouth Town, Rock County?
Since 2015, SR-81 has had the most fatal large-truck crashes within 10 miles of Plymouth: 3.
What is the worst month for truck crashes in Plymouth Town, Rock County?
Truck crashes in Rock County peak in January, with 16.9% of the year's crashes.
How many garbage truck crashes are there in Plymouth Town, Rock County?
Since 2015, Rock County has reported 13 garbage-truck crashes, or 1.1% of its truck crashes.
How does Plymouth Town, Rock County compare with Wisconsin for truck crashes?
The yearly rate is 64.5 truck crashes per 100,000 residents in Rock County, vs 42.6 for Wisconsin.
What is the best way to plan truck routes in Plymouth 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.