East Sonora, CA truck route planning & crash data
Plan safer truck routes in East Sonora: commercial truck and garbage truck crashes in East Sonora and Tuolumne County, dangerous roads, seasonality and route safety data for fleets. Patterns use Tuolumne County numbers.
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 |
Compared with California, Tuolumne County is lower 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.
Tuolumne County at a glance: 5.1% on snowy, slushy or icy roads, against 0.9% across California.
Overview
Since 2015, 249 crashes involving commercial trucks have been reported in Tuolumne County. They injured 113 people and killed 10.
Across the years with complete reporting, that is roughly one truck crash every 17 days.
East Sonora had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Tuolumne County numbers.
When crashes happen
Truck crashes peak in October (13.3% of the year) and are lowest in January (2.8%).
November through March accounts for 33.5% of truck crashes here, compared with 40.2% in California.
The busiest hour is 7–8 am, 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
Within this area, SR-108 had the most fatal crashes involving a large truck since 2015 (3). It is followed by SR-49 (2).
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 East Sonora fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Tuolumne County.
- Look at alternatives to SR-108 at busy times: it leads this area in fatal truck crashes.
- 30.5% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- With 5.1% of truck crashes on snow, slush or ice (above California), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Tuolumne County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-108 | 3 |
| 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 |
East Sonora at a glance
| Land area | 2.4 sq mi |
| Median household income (ZIP 95370) | $82,990 |
| Median home value (ZIP 95370) | $442,984 |
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 |
In the 2000s about 19 truck crashes a year were reported; in the 2020s, about 23. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.5 a year in 2016–19, 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about East Sonora
How many truck crashes happen in East Sonora?
Tuolumne County has had 249 reported truck crashes since 2015, injuring 113 people and killing 10.
What is the most dangerous road for trucks in East Sonora?
Since 2015, SR-108 has had the most fatal large-truck crashes within 10 miles of East Sonora: 3.
When do most truck crashes happen in East Sonora?
October has the most truck crashes in Tuolumne County, 13.3% of the yearly total.
Are garbage truck crashes common in East Sonora?
Since 2015, Tuolumne County has reported 2 garbage-truck crashes, or 0.8% of its truck crashes.
How do truck crashes in East Sonora compare with California?
The yearly rate is 39.3 truck crashes per 100,000 residents in Tuolumne County, vs 33.2 for California.
How do I plan a garbage truck route in East Sonora?
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.