Tuolumne County, CA truck route planning & crash data
Plan safer truck routes in Tuolumne County: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 249 truck crashes since 2015.
Deadliest roads
How Tuolumne County compares with California
Tuolumne County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Tuolumne County stands out
Full comparison
| Measure (2015–2025) | Tuolumne County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.3 | 33.2 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 4.3 | 3.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.44 | 0.44 | 0.49 | same |
| Garbage-truck share | 0.9% | 1.6% | 2.3% | 48% below the state |
| On snow, slush or ice | 5.1% | 0.9% | 6.2% | 5.5× the state |
| Morning rush (6–10 am) | 30.5% | 23.5% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 6.4% | 6.5% | 13.8% | same |
| Winter months (Nov–Mar) | 33.5% | 40.2% | 41.9% | 17% below the state |
| After dark | 14.6% | 29.1% | 24.8% | 50% below the state |
Tuolumne County sits below California on garbage-truck share, winter months (nov–mar) and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Tuolumne County: 5.1% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Police reported 249 crashes involving commercial trucks in Tuolumne County since 2015: 113 people were injured and 10 were killed.
That averages about one truck crash every 17 days in fully reported years.
When crashes happen
October has the most truck crashes, 13.3% of the yearly total, while January has the fewest (2.8%).
Winter months (Nov–Mar) carry 33.5% of truck crashes, vs 40.2% for California.
By time of day, 7–8 am stands out with 11.7% of truck crashes.
Road surface: 5.1% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
Since 2015, fatal crashes with a large truck in Tuolumne County happened on SR-108 (4), SR-120 (4) and SR-49 (2); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 0.8%, compared with 1.6% in California.
Route planning tips for Tuolumne County fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Tuolumne County.
- Morning starts matter: 30.5% of truck crashes fall between 6 and 10 am, higher than California.
- With 5.1% of truck crashes on snow, slush or ice (above California), plan winter equipment checks early.
- 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 Tuolumne County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Tuolumne County) |
|---|---|
| SR-108 | 4 |
| SR-120 | 4 |
| SR-49 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Tuolumne County) |
|---|---|
| SR-108 | 6 |
| SR-120 | 5 |
| SR-49 | 3 |
| La Grange Rd | 2 |
| La Grange Rd/1.4M S Old Don Pedro Rd | 2 |
| Obyrnes Ferry Rd/300Ft S Calaveras Tuolumne Co Ln | 2 |
| Rt108/S Washington St | 2 |
| Rt120/.5M W La Grange Rd | 2 |
Tuolumne County at a glance
| Population | 53,893 |
| Land area | 2,220.9 sq mi |
| Density | 24 per sq mi |
| Median household income (ZIP average) | $79,469 |
Waste facilities and haulers nearby
Historical data: truck crashes in Tuolumne 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 | — | — | 1.2 |
| 2000s | 19 | — | 1.2 |
| 2010s | 16 | -14% | 0.6 |
| 2020s | 23 | +41% | 1.6 |
From the 2000s to the 2020s, yearly reported truck crashes went from 19 to 23. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Cities, towns & communities in Tuolumne County
ZIP codes in Tuolumne County
Nearby counties
Questions fleets ask about Tuolumne County
How many truck crashes happen in Tuolumne County?
249 truck crashes have been reported in Tuolumne County since 2015, with 10 deaths and 113 injuries.
What is the worst month for truck crashes in Tuolumne County?
The worst month is October: 13.3% of truck crashes in Tuolumne County happen then.
How many garbage truck crashes are there in Tuolumne County?
2 crashes involving garbage or refuse trucks have been reported in Tuolumne County since 2015, 0.8% of all truck crashes.
How does Tuolumne County compare with California for truck crashes?
Tuolumne County records 39.3 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in Tuolumne County?
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.