August, CA truck route planning & crash data
Plan safer truck routes in August: commercial truck and garbage truck crashes in August and San Joaquin County, dangerous roads, seasonality and route safety data for fleets. Patterns use San Joaquin County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.3 deaths per 100 garbage-truck crashes vs 3.7 for all trucks.
Deadliest roads
How San Joaquin County compares with California
San Joaquin County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Joaquin County stands out
Full comparison
| Measure (2015–2025) | San Joaquin County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 66.6 | 33.2 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 3.7 | 3.6 | 3.4 | same |
| Injuries per crash | 0.47 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.1% | 1.6% | 2.3% | 30% below the state |
| On snow, slush or ice | 0.1% | 0.9% | 6.2% | 84% below the state |
| Morning rush (6–10 am) | 24.0% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 5.9% | 6.5% | 13.8% | 10% below the state |
| Winter months (Nov–Mar) | 37.8% | 40.2% | 41.9% | same |
| After dark | 28.3% | 29.1% | 24.8% | same |
San Joaquin 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.
What stands out in San Joaquin County: 0.1% of truck crashes happened on snow, slush or ice, vs 0.9% in California.
Overview
Since 2015, 6,266 crashes involving commercial trucks have been reported in San Joaquin County. They injured 3,001 people and killed 228.
In complete reporting years that works out to about 1 truck crash a day.
August had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use San Joaquin County numbers.
When crashes happen
August has the most truck crashes, 9.9% of the yearly total, while February has the fewest (6.8%).
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 7.1% of truck crashes.
Snow, slush or ice was on the road in 0.1% of truck crashes, compared with 0.9% in California.
Where crashes happen
Fatal large-truck crashes within 10 miles of August since 2015 were spread across roads: SR-4 (16), SR-99 (16), I-5 (12), SR-88 (5) and Mariposa Rd (3).
Garbage & waste trucks
75 crashes involved a garbage or refuse truck, a 1.2% share (California: 1.6%).
The most garbage-truck crashes happen in October (16%).
Per 100 crashes, garbage trucks recorded 4.3 deaths compared with 3.7 for all trucks.
Route planning tips for August fleets
- Build extra time into August routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in October; review collection routes for that month.
- 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 San Joaquin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-4 | 16 |
| SR-99 | 16 |
| I-5 | 12 |
| SR-88 | 5 |
| Mariposa Rd | 3 |
| French Camp Rd | 2 |
| Jack Tone Rd | 2 |
| West Ln | 2 |
| Arch Airport Rd | 1 |
| Budd Place | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Joaquin County) |
|---|---|
| Sr-99 S/B | 23 |
| Sr-99 N/B | 21 |
| I-5 | 16 |
| Sr-4 W/B | 14 |
| SR-99 | 12 |
| Sr-120 E/B | 11 |
| SR-4 | 11 |
| SR-12 | 10 |
August at a glance
| Land area | 1.3 sq mi |
| Median household income (ZIP 95205) | $60,325 |
| Median home value (ZIP 95205) | $324,421 |
Waste facilities and haulers nearby
Historical data: truck crashes in San Joaquin 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 | 2 | — | 12.8 |
| 2000s | 315 | +15665% | 12.0 |
| 2010s | 434 | +38% | 11.6 |
| 2020s | 561 | +29% | 19.0 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 561. Reporting coverage also changed between these periods. Fatal large-truck crashes: 14.2 a year in 2016–19, 19.0 a year in 2020–24.
Nearby places
Questions fleets ask about August
How many truck accidents are there in August?
San Joaquin County has had 6,266 reported truck crashes since 2015, injuring 3,001 people and killing 228.
When do most truck crashes happen in August?
Truck crashes in San Joaquin County peak in August, with 9.9% of the year's crashes.
How many garbage truck accidents happen in August?
Garbage trucks were involved in 75 reported crashes in San Joaquin County since 2015 (1.2% of truck crashes).
How do truck crashes in August compare with California?
San Joaquin County records 66.6 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in August?
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.