Windsor, CA truck route planning & crash data
Plan safer truck routes in Windsor: commercial truck and garbage truck crashes in Windsor 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 runs above California on injuries per crash, garbage-truck share and morning rush (6–10 am).
The headline for Sonoma County: 1 in 30 of truck crashes here involve garbage trucks: 3.3%, vs 1.6% in California.
Overview
Since 2015, 1,502 crashes involving commercial trucks have been reported in Sonoma County. They injured 778 people and killed 43.
That averages about one truck crash every 3 days in fully reported years.
Windsor had 26 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%).
The five winter months (November to March) hold 38.1% of truck crashes, against 40.2% across California.
More truck crashes happen at 8–9 am than at any other hour (8.8%).
Snow, slush or ice was on the road in 0.4% of truck crashes, compared with 0.9% in California.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Windsor happened on SR-12 (3), US-101 (3), CR-RIVER Rd (2), River Rd (2) and Fulton Rd (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 50 crashes, 3.3% of the total, against 1.6% across California.
Garbage-truck crashes peak in March (18% of them).
Per 100 crashes, garbage trucks recorded 6.2 deaths compared with 3.0 for all trucks.
Route planning tips for Windsor fleets
- Build extra time into October routes: it has the most truck crashes here.
- Waste haulers: March is the peak month for garbage-truck crashes in Sonoma County.
- The morning rush (6–10 am) holds 28.5% of truck crashes here, more than California; adjust start times where you can.
- 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 Sonoma County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-12 | 3 |
| US-101 | 3 |
| CR-RIVER Rd | 2 |
| River Rd | 2 |
| Fulton Rd | 1 |
| Montecito Blvd | 1 |
| Occidental Rd | 1 |
| River Road | 1 |
| Stony Point 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 |
Windsor at a glance
| Population | 25,846 |
| Land area | 7.4 sq mi |
| Density | 3,476 per sq mi |
| Median household income (ZIP 95492) | $134,211 |
| Median home value (ZIP 95492) | $803,347 |
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 crashes involving a large truck averaged 4.5 a year in 2016–19 and 2.8 a year in 2020–24.
Nearby places
Questions fleets ask about Windsor
How many truck crashes happen in Windsor?
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 Windsor?
Truck crashes in Sonoma County peak in October, with 10.5% of the year's crashes.
How many garbage truck accidents happen in Windsor?
Garbage trucks were involved in 50 reported crashes in Sonoma County since 2015 (3.3% of truck crashes).
How do truck crashes in Windsor compare with California?
The yearly rate is 27.0 truck crashes per 100,000 residents in Sonoma County, vs 33.2 for California.
How can I plan a safer truck route in Windsor?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.