Los Ranchos, CA truck route planning & crash data
Plan safer truck routes in Los Ranchos: commercial truck and garbage truck crashes in Los Ranchos 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 sits below California on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Los Ranchos: US-101 most fatal truck crashes within 10 miles of Los Ranchos: 4 since 2015.
Overview
Since 2015, 920 crashes involving commercial trucks have been reported in San Luis Obispo County. They injured 371 people and killed 30.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
Los Ranchos had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use San Luis Obispo County numbers.
When crashes happen
September has the most truck crashes, 10.4% of the yearly total, while January has the fewest (5.1%).
Winter months (Nov–Mar) carry 36.1% of truck crashes, vs 40.2% for 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 (4). It is followed by South Higuera St (1) and Trouville Ave (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 Los Ranchos fleets
- Build extra time into September routes: it has the most truck crashes here.
- Look at alternatives to US-101 at busy times: it leads this area in fatal truck crashes.
- 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 San Luis Obispo County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 4 |
| South Higuera St | 1 |
| Trouville Ave | 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 Ranchos at a glance
| Land area | 2.9 sq mi |
| Median household income (ZIP 93401) | $96,824 |
| Median home value (ZIP 93401) | $966,621 |
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 Ranchos
How common are truck crashes in Los Ranchos?
920 truck crashes have been reported in San Luis Obispo County since 2015, with 30 deaths and 371 injuries.
Which road has the most fatal truck crashes in Los Ranchos?
Since 2015, US-101 has had the most fatal large-truck crashes within 10 miles of Los Ranchos: 4.
When do most truck crashes happen in Los Ranchos?
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 Ranchos?
Since 2015, San Luis Obispo County has reported 15 garbage-truck crashes, or 1.6% of its truck crashes.
How do truck crashes in Los Ranchos compare with California?
San Luis Obispo County records 28.4 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in Los Ranchos?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.