ZIP 93402 (Los Osos, CA) truck route planning & crash data
Plan safer truck routes around ZIP 93402: commercial truck and garbage truck crashes here and in San Luis Obispo County, 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
15 of 920 truck crashes since 2015.
Deadliest roads
How San Luis Obispo County compares with California
San Luis Obispo County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Luis Obispo County stands out
Full comparison
| Measure (2015–2025) | San Luis Obispo County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 28.4 | 33.2 | 49.7 | 14% below the state |
| Deaths per 100 crashes | 3.3 | 3.6 | 3.4 | 8% below the state |
| Injuries per crash | 0.40 | 0.44 | 0.49 | 9% below the state |
| Garbage-truck share | 1.6% | 1.6% | 2.3% | same |
| On snow, slush or ice | 0.3% | 0.9% | 6.2% | 63% below the state |
| Morning rush (6–10 am) | 24.7% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 5.0% | 6.5% | 13.8% | 23% below the state |
| Winter months (Nov–Mar) | 36.1% | 40.2% | 41.9% | 10% below the state |
| After dark | 24.9% | 29.1% | 24.8% | 15% below the state |
San Luis Obispo County has lower values than California for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for ZIP 93402: US-101 most fatal truck crashes within 10 miles of ZIP 93402: 2 since 2015.
Overview
Police reported 920 crashes involving commercial trucks in San Luis Obispo County since 2015: 371 people were injured and 30 were killed.
In complete reporting years that works out to about one truck crash every 5 days.
When crashes happen
September has the most truck crashes, 10.4% of the yearly total, while January has the fewest (5.1%).
November through March accounts for 36.1% of truck crashes here, compared with 40.2% in California.
By time of day, 7–8 am stands out with 7.4% of truck crashes.
Snow, slush or ice was on the road in 0.3% of truck crashes, compared with 0.9% in California.
Where crashes happen
US-101 leads within 10 miles of ZIP 93402 with 2 fatal crashes involving a large truck since 2015. Next come Morro Bay Blvd (1), SR-193 (1) and South Higuera St (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 15 crashes, 1.6% of the total, against 1.6% across California.
Route planning tips for ZIP 93402 fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in San Luis Obispo County.
- Check whether your routes use US-101, the road with the most fatal truck crashes in this area.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in San Luis Obispo County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 2 |
| Morro Bay Blvd | 1 |
| SR-193 | 1 |
| South Higuera St | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Luis Obispo County) |
|---|---|
| US-101 | 15 |
| SR-1 | 8 |
| SR-46E | 5 |
| Rt101/Wellsona Rd | 4 |
| SR-41 | 3 |
| Rt46/4220Ft W Lucy Brown Rd | 3 |
| Rt166/4M E Alamo Creek Rd | 3 |
| Creston Rd | 2 |
ZIP 93402 at a glance
| Population | 14,197 |
| Density | 198 per sq mi |
| Median household income | $109,090 |
| Median home value | $805,484 |
| Home ownership | 73% |
Waste facilities and haulers nearby
Historical data: truck crashes in San Luis Obispo 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 | — | — | 3.2 |
| 2000s | 56 | — | 2.6 |
| 2010s | 72 | +28% | 2.6 |
| 2020s | 80 | +12% | 2.2 |
From the 2000s to the 2020s, yearly reported truck crashes went from 56 to 80. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 3.2 a year in 2016–19, 2.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 93402
How many truck accidents are there in ZIP 93402?
Since 2015, 920 crashes involving commercial trucks were reported in San Luis Obispo County (371 injured, 30 killed).
What is the most dangerous road for trucks in ZIP 93402?
NHTSA data shows US-101 with 2 fatal large-truck crashes within 10 miles of ZIP 93402 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 93402?
The worst month is September: 10.4% of truck crashes in San Luis Obispo County happen then.
How many garbage truck crashes are there in ZIP 93402?
Since 2015, San Luis Obispo County has reported 15 garbage-truck crashes, or 1.6% of its truck crashes.
How do truck crashes in ZIP 93402 compare with California?
The yearly rate is 28.4 truck crashes per 100,000 residents in San Luis Obispo County, vs 33.2 for California.
What is the best way to plan truck routes in ZIP 93402?
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.