Mammoth Lakes, CA truck route planning & crash data
Plan safer truck routes in Mammoth Lakes: commercial truck and garbage truck crashes in Mammoth Lakes and Mono County, dangerous roads, seasonality and route safety data for fleets. Patterns use Mono County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 226 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Mono County compares with California
Mono County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mono County stands out
Full comparison
| Measure (2015–2025) | Mono County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 149.8 | 33.2 | 49.7 | 4.5× the state |
| Deaths per 100 crashes | 2.8 | 3.6 | 3.4 | 22% below the state |
| Injuries per crash | 0.34 | 0.44 | 0.49 | 23% below the state |
| Garbage-truck share | 0.5% | 1.6% | 2.3% | 71% below the state |
| On snow, slush or ice | 24.8% | 0.9% | 6.2% | 26.6× the state |
| Morning rush (6–10 am) | 17.8% | 23.5% | 23.7% | 24% below the state |
| In rain, sleet or snow | 15.9% | 6.5% | 13.8% | 2.4× the state |
| Winter months (Nov–Mar) | 46.3% | 40.2% | 41.9% | 1.1× the state |
| After dark | 44.4% | 29.1% | 24.8% | 1.5× the state |
Mono County has lower values than California for deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above California on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
Mono County at a glance: 24.8% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Police reported 226 crashes involving commercial trucks in Mono County since 2015: 76 people were injured and 6 were killed.
In complete reporting years that works out to about one truck crash every 19 days.
Mammoth Lakes had 3 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Mono County numbers.
When crashes happen
The worst month is December with 12.4% of truck crashes; the quietest is March at 4.0%.
Winter months (Nov–Mar) carry 46.3% of truck crashes, vs 40.2% for California.
By time of day, 10–11 am stands out with 7.6% of truck crashes.
24.8% 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 Mammoth Lakes since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.4%, compared with 1.6% in California.
Route planning tips for Mammoth Lakes fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Mono County.
- With 24.8% 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
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 Mono 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 (Mono County) |
|---|---|
| US-395 | 6 |
| US-6 | 4 |
| Rt108/3.8M W Silver Creek Rd | 3 |
| Rt182/8.5M N Rt395 | 2 |
| Rt395 Sb/.6M S C/O Below Sand Shed | 2 |
| Rt395 Sb/209Ft N Rock Plant Rd | 2 |
| Rt395/.3M S Conway Ranch Rd | 2 |
| Rt395/.4M N Rt270 | 2 |
Mammoth Lakes at a glance
| Population | 7,124 |
| Land area | 24.9 sq mi |
| Density | 286 per sq mi |
| Median household income (ZIP 93546) | $105,577 |
| Median home value (ZIP 93546) | $739,813 |
Waste facilities and haulers nearby
Historical data: truck crashes in Mono 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 | — | — | 0.5 |
| 2000s | 16 | — | 0.6 |
| 2010s | 14 | -11% | 0.4 |
| 2020s | 21 | +46% | 0.4 |
Reported truck crashes averaged 16 a year in the 2000s and 21 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 0.2 a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Mammoth Lakes
How common are truck crashes in Mammoth Lakes?
Since 2015, 226 crashes involving commercial trucks were reported in Mono County (76 injured, 6 killed).
When do most truck crashes happen in Mammoth Lakes?
The worst month is December: 12.4% of truck crashes in Mono County happen then.
How many garbage truck accidents happen in Mammoth Lakes?
1 crash involving garbage or refuse trucks have been reported in Mono County since 2015, 0.4% of all truck crashes.
How do truck crashes in Mammoth Lakes compare with California?
Mono County records 149.8 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in Mammoth Lakes?
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.