Stanislaus County, CA truck route planning & crash data
Plan safer truck routes in Stanislaus 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
5.0 deaths per 100 garbage-truck crashes vs 4.9 for all trucks.
Deadliest roads
How Stanislaus County compares with California
Stanislaus County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Stanislaus County stands out
Full comparison
| Measure (2015–2025) | Stanislaus County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 43.6 | 33.2 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 4.9 | 3.6 | 3.4 | 1.4× the state |
| Injuries per crash | 0.47 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.5% | 1.6% | 2.3% | 9% below the state |
| On snow, slush or ice | 0.2% | 0.9% | 6.2% | 80% below the state |
| Morning rush (6–10 am) | 24.3% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 4.6% | 6.5% | 13.8% | 29% below the state |
| Winter months (Nov–Mar) | 37.8% | 40.2% | 41.9% | same |
| After dark | 29.4% | 29.1% | 24.8% | same |
Stanislaus County sits below California on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. It stands out for higher crashes per 100k residents / yr and deaths per 100 crashes.
What stands out in Stanislaus County: 1.8× fatal truck crashes in Stanislaus County per year, 2020–24 vs 2016–19 (12.0 vs 6.5).
Overview
Police reported 2,777 crashes involving commercial trucks in Stanislaus County since 2015: 1,318 people were injured and 135 were killed.
In complete reporting years that works out to about one truck crash every 2 days.
When crashes happen
The worst month is October with 10.1% of truck crashes; the quietest is February at 6.3%.
The five winter months (November to March) hold 37.8% of truck crashes, against 40.2% across California.
By time of day, 7–8 am stands out with 7.6% of truck crashes.
0.2% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
The deadliest road for trucks in Stanislaus County is SR-99, with 18 fatal large-truck crashes since 2015. It is followed by I-5 (13), SR-132 (12) and SR-33 (7).
Garbage & waste trucks
Garbage trucks account for 40 of the truck crashes here, or 1.4%, compared with 1.6% in California.
Their busiest month is April, with 15% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 5.0 deaths compared with 4.9 for all trucks.
Route planning tips for Stanislaus County fleets
- Review driver schedules for October, the month with the most truck crashes.
- Where you can, review stops along SR-99; it has the most fatal large-truck crashes nearby.
- For residential and commercial waste routes, look again at April schedules: garbage-truck crashes peak then.
- 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 Stanislaus County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Stanislaus County) |
|---|---|
| SR-99 | 18 |
| I-5 | 13 |
| SR-132 | 12 |
| SR-33 | 7 |
| SR-108 | 5 |
| Crows Landing Rd | 2 |
| Eastin Rd | 2 |
| Finch Rd | 2 |
| Hatch Rd | 2 |
| Lander Ave | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Stanislaus County) |
|---|---|
| Sr-99 N/B | 15 |
| SR-99 | 13 |
| I-5 | 12 |
| SR-132 | 10 |
| Mitchell Rd | 7 |
| State Route 99 (Southbound) | 5 |
| Sr132/Paradise Rd | 5 |
| SR-33 | 5 |
Stanislaus County at a glance
| Population | 556,972 |
| Land area | 1,496.2 sq mi |
| Density | 372 per sq mi |
| Median household income (ZIP average) | $82,414 |
Waste facilities and haulers nearby
Historical data: truck crashes in Stanislaus 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 | — | — | 7.3 |
| 2000s | 166 | — | 9.2 |
| 2010s | 199 | +20% | 5.9 |
| 2020s | 256 | +29% | 12.0 |
Reported truck crashes averaged 166 a year in the 2000s and 256 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 6.5 fatal large-truck crashes a year in 2016–19 and 12.0 a year in 2020–24.
Cities, towns & communities in Stanislaus County
ZIP codes in Stanislaus County
Nearby counties
Questions fleets ask about Stanislaus County
How common are truck crashes in Stanislaus County?
2,777 truck crashes have been reported in Stanislaus County since 2015, with 135 deaths and 1,318 injuries.
Which road has the most fatal truck crashes in Stanislaus County?
NHTSA data shows SR-99 with 18 fatal large-truck crashes in Stanislaus County since 2015, the highest of any road.
What is the worst month for truck crashes in Stanislaus County?
October has the most truck crashes in Stanislaus County, 10.1% of the yearly total.
Are garbage truck crashes common in Stanislaus County?
40 crashes involving garbage or refuse trucks have been reported in Stanislaus County since 2015, 1.4% of all truck crashes.
How does Stanislaus County compare with California for truck crashes?
Stanislaus County records 43.6 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in Stanislaus County?
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.