Los Osos, CA truck route planning & crash data
Plan safer truck routes in Los Osos: commercial truck and garbage truck crashes in Los Osos and San Luis Obispo County, dangerous roads, seasonality and route safety data for fleets. Patterns use San Luis Obispo County numbers.
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.
Los Osos at a glance: US-101 2 fatal truck crashes since 2015, more than any other road within 10 miles of Los Osos.
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.
Only 0 truck crashes were reported in Los Osos since 2015; patterns below come from San Luis Obispo County as a whole.
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.
The busiest hour is 7–8 am, with 7.4% of truck crashes.
Road surface: 0.3% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
Within this area, US-101 had the most fatal crashes involving a large truck since 2015 (2). After it: Morro Bay Blvd (1), SR-193 (1) and South Higuera St (1).
Garbage & waste trucks
15 crashes involved a garbage or refuse truck, a 1.6% share (California: 1.6%).
Route planning tips for Los Osos fleets
- Review driver schedules for September, the month with the most truck crashes.
- Where you can, review stops along US-101; it has the most fatal large-truck crashes nearby.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 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 |
Los Osos at a glance
| Land area | 12.8 sq mi |
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. NHTSA counts 3.2 fatal large-truck crashes a year in 2016–19 and 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Los Osos
How many truck crashes happen in Los Osos?
920 truck crashes have been reported in San Luis Obispo County since 2015, with 30 deaths and 371 injuries.
Where do fatal truck crashes happen most in Los Osos?
NHTSA data shows US-101 with 2 fatal large-truck crashes within 10 miles of Los Osos since 2015, the highest of any road.
When do most truck crashes happen in Los Osos?
September has the most truck crashes in San Luis Obispo County, 10.4% of the yearly total.
How many garbage truck crashes are there in Los Osos?
15 crashes involving garbage or refuse trucks have been reported in San Luis Obispo County since 2015, 1.6% of all truck crashes.
What is the truck crash rate in Los Osos compared with California?
The yearly rate is 28.4 truck crashes per 100,000 residents in San Luis Obispo County, vs 33.2 for California.
How can I plan a safer truck route in Los Osos?
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.