Greeley Hill, CA truck route planning & crash data
Plan safer truck routes in Greeley Hill: commercial truck and garbage truck crashes in Greeley Hill 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 |
Mariposa County has lower values than California for crashes per 100k residents / yr, in rain, sleet or snow and winter months (nov–mar). It runs above California on deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Mariposa County: 6.0% on snowy, slushy or icy roads, against 0.9% across California.
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.
Only 0 truck crashes were reported in Greeley Hill 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.
More truck crashes happen at 9–10 am than at any other hour (18.2%).
6.0% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Greeley Hill 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 Greeley Hill fleets
- Review driver schedules for July, the month with the most truck crashes.
- 38.0% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- With 6.0% of truck crashes on snow, slush or ice (above California), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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
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 |
Greeley Hill at a glance
| Land area | 23.9 sq mi |
| Median household income (ZIP 95311) | $56,029 |
| Median home value (ZIP 95311) | $310,938 |
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 |
From the 2000s to the 2020s, yearly reported truck crashes went from 5 to 5. Some of the change may reflect how crashes were reported. 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 Greeley Hill
How many truck crashes happen in Greeley Hill?
Since 2015, 55 crashes involving commercial trucks were reported in Mariposa County (29 injured, 3 killed).
When do most truck crashes happen in Greeley Hill?
Truck crashes in Mariposa County peak in July, with 14.5% of the year's crashes.
How many garbage truck crashes are there in Greeley Hill?
3 crashes involving garbage or refuse trucks have been reported in Mariposa County since 2015, 5.5% of all truck crashes.
How do truck crashes in Greeley Hill compare with California?
Mariposa County records 26.7 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in Greeley Hill?
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.