Copperopolis, CA truck route planning & crash data
Plan safer truck routes in Copperopolis: commercial truck and garbage truck crashes in Copperopolis and Calaveras County, dangerous roads, seasonality and route safety data for fleets. Patterns use Calaveras County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 194 truck crashes since 2015.
Deadliest roads
How Calaveras County compares with California
Calaveras County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Calaveras County stands out
Full comparison
| Measure (2015–2025) | Calaveras County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 35.4 | 33.2 | 49.7 | same |
| Deaths per 100 crashes | 7.2 | 3.6 | 3.4 | 2.0× the state |
| Injuries per crash | 0.43 | 0.44 | 0.49 | same |
| Garbage-truck share | 3.9% | 1.6% | 2.3% | 2.4× the state |
| On snow, slush or ice | 2.8% | 0.9% | 6.2% | 3.0× the state |
| Morning rush (6–10 am) | 31.5% | 23.5% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 5.5% | 6.5% | 13.8% | 15% below the state |
| Winter months (Nov–Mar) | 34.2% | 40.2% | 41.9% | 15% below the state |
| After dark | 14.9% | 29.1% | 24.8% | 49% below the state |
Calaveras County sits below California on in rain, sleet or snow, winter months (nov–mar) and after dark. It stands out for higher deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
What stands out in Calaveras County: 2.8% of truck crashes happened on snow, slush or ice, vs 0.9% in California.
Overview
Since 2015, 194 crashes involving commercial trucks have been reported in Calaveras County. They injured 85 people and killed 13.
That averages about one truck crash every 22 days in fully reported years.
Copperopolis had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Calaveras County numbers.
When crashes happen
The worst month is July with 12.4% of truck crashes; the quietest is March at 4.1%.
The five winter months (November to March) hold 34.2% of truck crashes, against 40.2% across California.
More truck crashes happen at 9–10 am than at any other hour (9.8%).
Snow, slush or ice was on the road in 2.8% of truck crashes, compared with 0.9% in California.
Where crashes happen
Within this area, SR-120 had the most fatal crashes involving a large truck since 2015 (4). It is followed by SR-108 (1) and SR-4 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 7 crashes, 3.6% of the total, against 1.6% across California.
Route planning tips for Copperopolis fleets
- Build extra time into July routes: it has the most truck crashes here.
- Check whether your routes use SR-120, the road with the most fatal truck crashes in this area.
- The morning rush (6–10 am) holds 31.5% of truck crashes here, more than California; adjust start times where you can.
- 2.8% of truck crashes were on snow, slush or ice, above California; 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 Calaveras County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-120 | 4 |
| SR-108 | 1 |
| SR-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Calaveras County) |
|---|---|
| SR-49 | 5 |
| Rt49/1.3M S Red Hill Rd | 3 |
| Mountain Ranch Rd/.4M E Rocky Rd | 2 |
| Rt12/Burson Rd | 2 |
| Rt26/ Rt49 | 2 |
| Rt26/Silver Rapids Rd | 2 |
| Rt49/Pool Station Rd | 2 |
| Sr4/.2M E Vallecito Rd | 2 |
Copperopolis at a glance
| Land area | 13.3 sq mi |
| Median household income (ZIP 95228) | $107,899 |
| Median home value (ZIP 95228) | $487,329 |
Waste facilities and haulers nearby
Historical data: truck crashes in Calaveras 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 | — | — | 0.3 |
| 2000s | 15 | — | 0.5 |
| 2010s | 14 | -6% | 1.1 |
| 2020s | 14 | +4% | 0.2 |
Reported truck crashes averaged 15 a year in the 2000s and 14 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.2 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Copperopolis
How common are truck crashes in Copperopolis?
Calaveras County has had 194 reported truck crashes since 2015, injuring 85 people and killing 13.
Where do fatal truck crashes happen most in Copperopolis?
Since 2015, SR-120 has had the most fatal large-truck crashes within 10 miles of Copperopolis: 4.
When do most truck crashes happen in Copperopolis?
The worst month is July: 12.4% of truck crashes in Calaveras County happen then.
How many garbage truck accidents happen in Copperopolis?
7 crashes involving garbage or refuse trucks have been reported in Calaveras County since 2015, 3.6% of all truck crashes.
What is the truck crash rate in Copperopolis compared with California?
Per 100,000 residents, Calaveras County has 35.4 truck crashes a year; California has 33.2.
How can I plan a safer truck route in Copperopolis?
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.