California Polytechnic State University, CA truck route planning & crash data
Plan safer truck routes in California Polytechnic State University: commercial truck and garbage truck crashes in California Polytechnic State University 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.
The headline for California Polytechnic State University: US-101 3 fatal truck crashes since 2015, more than any other road within 10 miles of California Polytechnic State University.
Overview
Since 2015, 920 crashes involving commercial trucks have been reported in San Luis Obispo County. They injured 371 people and killed 30.
In complete reporting years that works out to about one truck crash every 5 days.
California Polytechnic State University 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
The worst month is September with 10.4% of truck crashes; the quietest is January at 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
Within this area, US-101 had the most fatal crashes involving a large truck since 2015 (3). It is followed by CR-PARKHILL Rd (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 California Polytechnic State University fleets
- Build extra time into September routes: it has the most truck crashes here.
- Check whether your routes use US-101, the road with the most fatal truck crashes in this area.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 | 3 |
| CR-PARKHILL Rd | 1 |
| SR-193 | 1 |
| South Higuera St | 1 |
| W Pozo Rd | 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 |
California Polytechnic State University at a glance
| Land area | 1.5 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 |
Reported truck crashes averaged 56 a year in the 2000s and 80 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. 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 California Polytechnic State University
How many truck crashes happen in California Polytechnic State University?
920 truck crashes have been reported in San Luis Obispo County since 2015, with 30 deaths and 371 injuries.
What is the most dangerous road for trucks in California Polytechnic State University?
NHTSA data shows US-101 with 3 fatal large-truck crashes within 10 miles of California Polytechnic State University since 2015, the highest of any road.
Which month has the most truck crashes in California Polytechnic State University?
The worst month is September: 10.4% of truck crashes in San Luis Obispo County happen then.
How many garbage truck accidents happen in California Polytechnic State University?
Since 2015, San Luis Obispo County has reported 15 garbage-truck crashes, or 1.6% of its truck crashes.
How do truck crashes in California Polytechnic State University compare with California?
Per 100,000 residents, San Luis Obispo County has 28.4 truck crashes a year; California has 33.2.
How do I plan a garbage truck route in California Polytechnic State University?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.