ZIP 94515 (Calistoga, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94515: commercial truck and garbage truck crashes here and in Sonoma County, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
6.2 deaths per 100 garbage-truck crashes vs 3.0 for all trucks.
Deadliest roads
How Sonoma County compares with California
Sonoma County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sonoma County stands out
Full comparison
| Measure (2015–2025) | Sonoma County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 27.0 | 33.2 | 49.7 | 19% below the state |
| Deaths per 100 crashes | 3.0 | 3.6 | 3.4 | 17% below the state |
| Injuries per crash | 0.50 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.3% | 1.6% | 2.3% | 2.0× the state |
| On snow, slush or ice | 0.4% | 0.9% | 6.2% | 62% below the state |
| Morning rush (6–10 am) | 28.5% | 23.5% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 8.7% | 6.5% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 38.1% | 40.2% | 41.9% | same |
| After dark | 17.6% | 29.1% | 24.8% | 40% below the state |
Sonoma County sits below California on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It stands out for higher injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Sonoma County: 1 in 30 garbage-truck share of crashes is 3.3%, against 1.6% for California.
Overview
Since 2015, 1,502 crashes involving commercial trucks have been reported in Sonoma County. They injured 778 people and killed 43.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
When crashes happen
The worst month is October with 10.5% of truck crashes; the quietest is April at 7.4%.
November through March accounts for 38.1% of truck crashes here, compared with 40.2% in California.
By time of day, 8–9 am stands out with 8.8% of truck crashes.
Snow, slush or ice was on the road in 0.4% of truck crashes, compared with 0.9% in California.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 94515 since 2015: Petrified Forest Rd (1), SR-128 (1), SR-175 (1) and SR-29 (1). No single road stands out.
Garbage & waste trucks
50 crashes involved a garbage or refuse truck, a 3.3% share (California: 1.6%).
Garbage-truck crashes peak in March (18% of them).
They recorded 6.2 deaths per 100 crashes, against 3.0 for all trucks.
Route planning tips for ZIP 94515 fleets
- Build extra time into October routes: it has the most truck crashes here.
- For residential and commercial waste routes, look again at March schedules: garbage-truck crashes peak then.
- 28.5% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Sonoma County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Petrified Forest Rd | 1 |
| SR-128 | 1 |
| SR-175 | 1 |
| SR-29 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sonoma County) |
|---|---|
| Us-101 S/B | 10 |
| US-101 | 8 |
| Lakeville Road | 5 |
| Us-101 N/B | 4 |
| SR-37 | 3 |
| SR-116 | 3 |
| Rt116/Green Valley Rd | 3 |
| Rt101/300Ft N Steele Ln | 3 |
ZIP 94515 at a glance
| Population | 6,946 |
| Density | 23 per sq mi |
| Median household income | $94,464 |
| Home ownership | 54% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sonoma 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 | — | 4.5 |
| 2000s | 72 | +7070% | 3.0 |
| 2010s | 122 | +69% | 3.1 |
| 2020s | 119 | -2% | 2.8 |
In the 1990s about 1 truck crash a year were reported; in the 2020s, about 119. Reporting coverage also changed between these periods. Fatal large-truck crashes: 4.5 a year in 2016–19, 2.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94515
How many truck crashes happen in ZIP 94515?
1,502 truck crashes have been reported in Sonoma County since 2015, with 43 deaths and 778 injuries.
When do most truck crashes happen in ZIP 94515?
The worst month is October: 10.5% of truck crashes in Sonoma County happen then.
How many garbage truck crashes are there in ZIP 94515?
Garbage trucks were involved in 50 reported crashes in Sonoma County since 2015 (3.3% of truck crashes).
How do truck crashes in ZIP 94515 compare with California?
Sonoma County records 27.0 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in ZIP 94515?
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.