Sonoma County, CA truck route planning & crash data
Plan safer truck routes in Sonoma County: commercial truck and garbage truck crashes, 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 |
Compared with California, Sonoma County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Sonoma County: 1 in 30 crashes involve a garbage truck (50 since 2015), vs 1.6% across 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
October has the most truck crashes, 10.5% of the yearly total, while April has the fewest (7.4%).
The five winter months (November to March) hold 38.1% of truck crashes, against 40.2% across California.
The busiest hour is 8–9 am, with 8.8% of truck crashes.
0.4% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Since 2015, fatal crashes with a large truck in Sonoma County happened on SR-116 (6), SR-12 (6), US-101 (4), CR-RIVER Rd (2) and River Rd (2); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 50 of the truck crashes here, or 3.3%, compared with 1.6% in California.
Their busiest month is March, with 18% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 6.2 deaths compared with 3.0 for all trucks.
Route planning tips for Sonoma County fleets
- Review driver schedules for October, the month with the most truck crashes.
- Waste haulers: March is the peak month for garbage-truck crashes in Sonoma County.
- 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
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 Sonoma County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Sonoma County) |
|---|---|
| SR-116 | 6 |
| SR-12 | 6 |
| US-101 | 4 |
| CR-RIVER Rd | 2 |
| River Rd | 2 |
| SR-37 | 2 |
| Todd Rd | 2 |
| CR-ADOBE Road | 1 |
| CR-LAKEVILLE Road | 1 |
| CR-OLD Adobe Rd | 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 |
Sonoma County at a glance
| Population | 485,375 |
| Land area | 1,575.3 sq mi |
| Density | 308 per sq mi |
| Median household income (ZIP average) | $105,089 |
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 |
Reported truck crashes averaged 1 a year in the 1990s and 119 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 4.5 a year in 2016–19, 2.8 a year in 2020–24.
Cities, towns & communities in Sonoma County
ZIP codes in Sonoma County
Nearby counties
Questions fleets ask about Sonoma County
How many truck crashes happen in Sonoma County?
1,502 truck crashes have been reported in Sonoma County since 2015, with 43 deaths and 778 injuries.
Which month has the most truck crashes in Sonoma County?
Truck crashes in Sonoma County peak in October, with 10.5% of the year's crashes.
Are garbage truck crashes common in Sonoma County?
Garbage trucks were involved in 50 reported crashes in Sonoma County since 2015 (3.3% of truck crashes).
What is the truck crash rate in Sonoma County compared with California?
Sonoma County records 27.0 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in Sonoma County?
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.