Sonoma State University, CA truck route planning & crash data
Plan safer truck routes in Sonoma State University: commercial truck and garbage truck crashes in Sonoma State University and Sonoma County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sonoma County numbers.
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).
The headline for 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.
Sonoma State University had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Sonoma County numbers.
When crashes happen
Truck crashes peak in October (10.5% of the year) and are lowest in April (7.4%).
Winter months (Nov–Mar) carry 38.1% of truck crashes, vs 40.2% for California.
By time of day, 8–9 am stands out 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
SR-12 leads within 10 miles of Sonoma State University with 6 fatal crashes involving a large truck since 2015. It is followed by Todd Rd (2), US-101 (2) and CR-ADOBE Road (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 50 crashes, 3.3% of the total, against 1.6% across California.
Their busiest month is March, with 18% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 6.2, vs 3.0 for all truck crashes.
Route planning tips for Sonoma State University fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Sonoma County.
- Look at alternatives to SR-12 at busy times: it leads this area in fatal 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
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) |
|---|---|
| SR-12 | 6 |
| Todd Rd | 2 |
| US-101 | 2 |
| CR-ADOBE Road | 1 |
| CR-OLD Adobe Rd | 1 |
| CR-PEPPER Rd | 1 |
| Canfield Rd | 1 |
| Fulton Rd | 1 |
| Montecito Blvd | 1 |
| Occidental 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 State University at a glance
| Land area | 0.4 sq mi |
| Median household income (ZIP 94928) | $99,280 |
| Median home value (ZIP 94928) | $661,510 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 119. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 4.5 a year in 2016–19, 2.8 a year in 2020–24.
Nearby places
Questions fleets ask about Sonoma State University
How many truck accidents are there in Sonoma State University?
Since 2015, 1,502 crashes involving commercial trucks were reported in Sonoma County (778 injured, 43 killed).
Where do fatal truck crashes happen most in Sonoma State University?
Since 2015, SR-12 has had the most fatal large-truck crashes within 10 miles of Sonoma State University: 6.
When do most truck crashes happen in Sonoma State University?
The worst month is October: 10.5% of truck crashes in Sonoma County happen then.
Are garbage truck crashes common in Sonoma State University?
Since 2015, Sonoma County has reported 50 garbage-truck crashes, or 3.3% of its truck crashes.
How does Sonoma State University compare with California for truck crashes?
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 Sonoma State University?
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.