ZIP 95321 (Groveland, CA) truck route planning & crash data
Plan safer truck routes around ZIP 95321: commercial truck and garbage truck crashes here and in Tuolumne County, 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
No fatal large-truck crashes with a road name recorded here since 2015.
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 has lower values than California for garbage-truck share, winter months (nov–mar) and after dark. It runs above California on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Tuolumne County: 5.1% of truck crashes happened on snow, slush or ice, vs 0.9% in California.
Overview
Tuolumne County has recorded 249 truck crashes since 2015, with 113 people injured and 10 killed.
Across the years with complete reporting, that is roughly one truck crash every 17 days.
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.
More truck crashes happen at 7–8 am than at any other hour (11.7%).
Snow, slush or ice was on the road in 5.1% of truck crashes, compared with 0.9% in California.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 95321 since 2015.
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 ZIP 95321 fleets
- Build extra time into October routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 30.5% of truck crashes here, more than California; adjust start times where you can.
- Icy and snowy roads show up in 5.1% of truck crashes here, more than California; schedule winter checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
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 |
ZIP 95321 at a glance
| Population | 3,464 |
| Density | 3 per sq mi |
| Median household income | $74,000 |
| Median home value | $393,612 |
| Home ownership | 87% |
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. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 95321
How many truck accidents are there in ZIP 95321?
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 ZIP 95321?
Truck crashes in Tuolumne County peak in October, with 13.3% of the year's crashes.
How many garbage truck accidents happen in ZIP 95321?
Since 2015, Tuolumne County has reported 2 garbage-truck crashes, or 0.8% of its truck crashes.
How do truck crashes in ZIP 95321 compare with California?
Per 100,000 residents, Tuolumne County has 39.3 truck crashes a year; California has 33.2.
How can I plan a safer truck route in ZIP 95321?
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.