Blacklake, CA truck route planning & crash data
Plan safer truck routes in Blacklake: commercial truck and garbage truck crashes in Blacklake 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.
San Luis Obispo County at a glance: 0.3% on snowy, slushy or icy roads, against 0.9% across California.
Overview
Police reported 920 crashes involving commercial trucks in San Luis Obispo County since 2015: 371 people were injured and 30 were killed.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
With 0 truck crashes reported in Blacklake since 2015, this page uses San Luis Obispo County numbers for its patterns and comparisons.
When crashes happen
September has the most truck crashes, 10.4% of the yearly total, while January has the fewest (5.1%).
The five winter months (November to March) hold 36.1% of truck crashes, against 40.2% across California.
More truck crashes happen at 7–8 am than at any other hour (7.4%).
Snow, slush or ice was on the road in 0.3% of truck crashes, compared with 0.9% in California.
Where crashes happen
Fatal large-truck crashes within 10 miles of Blacklake since 2015 were spread across roads: SR-166 (2), US-101 (2), Alvin Ave (1), Cook St (1) and N Broadway (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 Blacklake fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in San Luis Obispo County.
- 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) |
|---|---|
| SR-166 | 2 |
| US-101 | 2 |
| Alvin Ave | 1 |
| Cook St | 1 |
| N Broadway | 1 |
| SR-1 | 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 |
Blacklake at a glance
| Land area | 1.0 sq mi |
| Median household income (ZIP 93444) | $110,867 |
| Median home value (ZIP 93444) | $815,155 |
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 |
In the 2000s about 56 truck crashes a year were reported; in the 2020s, about 80. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 3.2 a year in 2016–19 and 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Blacklake
How many truck accidents are there in Blacklake?
Since 2015, 920 crashes involving commercial trucks were reported in San Luis Obispo County (371 injured, 30 killed).
When do most truck crashes happen in Blacklake?
Truck crashes in San Luis Obispo County peak in September, with 10.4% of the year's crashes.
How many garbage truck crashes are there in Blacklake?
15 crashes involving garbage or refuse trucks have been reported in San Luis Obispo County since 2015, 1.6% of all truck crashes.
How does Blacklake compare with California for truck crashes?
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 Blacklake?
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.