Hornitos, CA truck route planning & crash data
Plan safer truck routes in Hornitos: commercial truck and garbage truck crashes in Hornitos and Mariposa County, dangerous roads, seasonality and route safety data for fleets. Patterns use Mariposa County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 55 truck crashes since 2015.
Deadliest roads
How Mariposa County compares with California
Mariposa County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mariposa County stands out
Full comparison
| Measure (2015–2025) | Mariposa County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 26.7 | 33.2 | 49.7 | 20% below the state |
| Deaths per 100 crashes | 6.0 | 3.6 | 3.4 | 1.7× the state |
| Injuries per crash | 0.50 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 6.0% | 1.6% | 2.3% | 3.7× the state |
| On snow, slush or ice | 6.0% | 0.9% | 6.2% | 6.5× the state |
| Morning rush (6–10 am) | 38.0% | 23.5% | 23.7% | 1.6× the state |
| In rain, sleet or snow | 6.0% | 6.5% | 13.8% | 8% below the state |
| Winter months (Nov–Mar) | 36.0% | 40.2% | 41.9% | 11% below the state |
| After dark | 16.0% | 29.1% | 24.8% | 45% below the state |
Mariposa County sits below California on crashes per 100k residents / yr, in rain, sleet or snow and winter months (nov–mar). It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Mariposa County: 6.0% of truck crashes happened on snow, slush or ice, vs 0.9% in California.
Overview
Mariposa County has recorded 55 truck crashes since 2015, with 29 people injured and 3 killed.
Across the years with complete reporting, that is roughly one truck crash every 80 days.
Only 0 truck crashes were reported in Hornitos since 2015; patterns below come from Mariposa County as a whole.
When crashes happen
Truck crashes peak in July (14.5% of the year) and are lowest in February (0.0%).
The five winter months (November to March) hold 36.0% of truck crashes, against 40.2% across California.
By time of day, 9–10 am stands out with 18.2% of truck crashes.
Snow, slush or ice was on the road in 6.0% of truck crashes, compared with 0.9% in California.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Hornitos since 2015: SR-140 (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 5.5% of the total, against 1.6% across California.
Route planning tips for Hornitos fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Mariposa County.
- Morning starts matter: 38.0% of truck crashes fall between 6 and 10 am, higher than California.
- With 6.0% of truck crashes on snow, slush or ice (above California), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Mariposa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-140 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Mariposa County) |
|---|---|
| SR-140 | 3 |
| Rt49/255Ft S Of Stumpfield Mountain Rd | 2 |
| SR-49 | 2 |
| Bear Valley Rd/78Ft W Hunters Valley Rd | 1 |
| Greeley Hill Rd | 1 |
| Highway 140/450Ft W Martin Rd | 1 |
| Horseshoe Bend Rd/600Ft N Sr132 | 1 |
| Jerseydale Rd/.7M S Wild Dove Ln | 1 |
Hornitos at a glance
| Land area | 1.2 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Mariposa 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 | — | — | 0.2 |
| 2000s | 5 | — | 0.1 |
| 2010s | 3 | -34% | 0.5 |
| 2020s | 5 | +52% | 0.2 |
In the 2000s about 5 truck crashes a year were reported; in the 2020s, about 5. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Hornitos
How many truck accidents are there in Hornitos?
55 truck crashes have been reported in Mariposa County since 2015, with 3 deaths and 29 injuries.
When do most truck crashes happen in Hornitos?
Truck crashes in Mariposa County peak in July, with 14.5% of the year's crashes.
Are garbage truck crashes common in Hornitos?
3 crashes involving garbage or refuse trucks have been reported in Mariposa County since 2015, 5.5% of all truck crashes.
What is the truck crash rate in Hornitos compared with California?
The yearly rate is 26.7 truck crashes per 100,000 residents in Mariposa County, vs 33.2 for California.
How do I plan a garbage truck route in Hornitos?
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.