Yosemite West, CA truck route planning & crash data
Plan safer truck routes in Yosemite West: commercial truck and garbage truck crashes in Yosemite West 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
No fatal large-truck crashes with a road name recorded here since 2015.
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 |
Compared with California, Mariposa County is lower on crashes per 100k residents / yr, in rain, sleet or snow and winter months (nov–mar). Where it is higher: deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Mariposa County: 6.0% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Since 2015, 55 crashes involving commercial trucks have been reported in Mariposa County. They injured 29 people and killed 3.
That averages about one truck crash every 80 days in fully reported years.
With 0 truck crashes reported in Yosemite West since 2015, this page uses Mariposa County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in July (14.5% of the year) and are lowest in February (0.0%).
November through March accounts for 36.0% of truck crashes here, compared with 40.2% in California.
More truck crashes happen at 9–10 am than at any other hour (18.2%).
Road surface: 6.0% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Yosemite West since 2015.
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 5.5%, compared with 1.6% in California.
Route planning tips for Yosemite West fleets
- Build extra time into July routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 38.0% of truck crashes here, more than California; adjust start times where you can.
- Icy and snowy roads show up in 6.0% 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
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 Mariposa 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 (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 |
Yosemite West at a glance
| Land area | 0.3 sq mi |
| Median household income (ZIP 95318) | $57,097 |
| Median home value (ZIP 95318) | $328,042 |
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 large-truck crashes: 0.8 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Yosemite West
How many truck crashes happen in Yosemite West?
55 truck crashes have been reported in Mariposa County since 2015, with 3 deaths and 29 injuries.
What is the worst month for truck crashes in Yosemite West?
July has the most truck crashes in Mariposa County, 14.5% of the yearly total.
Are garbage truck crashes common in Yosemite West?
Garbage trucks were involved in 3 reported crashes in Mariposa County since 2015 (5.5% of truck crashes).
What is the truck crash rate in Yosemite West compared with California?
Per 100,000 residents, Mariposa County has 26.7 truck crashes a year; California has 33.2.
What is the best way to plan truck routes in Yosemite West?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.