Twain Harte, CA truck route planning & crash data
Plan safer truck routes in Twain Harte: commercial truck and garbage truck crashes in Twain Harte 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 |
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% on snowy, slushy or icy roads, against 0.9% across California.
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.
With 0 truck crashes reported in Twain Harte since 2015, this page uses Tuolumne County numbers for its patterns and comparisons.
When crashes happen
October has the most truck crashes, 13.3% of the yearly total, while January has the fewest (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%).
5.1% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Fatal large-truck crashes within 10 miles of Twain Harte since 2015 were spread across roads: SR-108 (2).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 0.8% of the total, against 1.6% across California.
Route planning tips for Twain Harte 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.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-108 | 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 |
Twain Harte at a glance
| Land area | 3.7 sq mi |
| Median household income (ZIP 95372) | $97,398 |
| Median home value (ZIP 95372) | $422,395 |
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 |
Reported truck crashes averaged 19 a year in the 2000s and 23 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Twain Harte
How common are truck crashes in Twain Harte?
Tuolumne County has had 249 reported truck crashes since 2015, injuring 113 people and killing 10.
What is the worst month for truck crashes in Twain Harte?
October has the most truck crashes in Tuolumne County, 13.3% of the yearly total.
How many garbage truck accidents happen in Twain Harte?
Since 2015, Tuolumne County has reported 2 garbage-truck crashes, or 0.8% of its truck crashes.
How do truck crashes in Twain Harte compare with California?
Per 100,000 residents, Tuolumne County has 39.3 truck crashes a year; California has 33.2.
How do I plan a garbage truck route in Twain Harte?
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.