ZIP 93401 (San Luis Obispo, CA) truck route planning & crash data
Plan safer truck routes around ZIP 93401: 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 93401: US-101 most fatal truck crashes within 10 miles of ZIP 93401: 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.
That averages about one truck crash every 5 days in fully reported years.
When crashes happen
Truck crashes peak in September (10.4% of the year) and are lowest in January (5.1%).
The five winter months (November to March) hold 36.1% of truck crashes, against 40.2% across California.
The busiest hour is 7–8 am, 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
Within this area, US-101 had the most fatal crashes involving a large truck since 2015 (4). It is followed by SR-193 (1), South Higuera St (1) and Trouville Ave (1).
Garbage & waste trucks
Garbage trucks account for 15 of the truck crashes here, or 1.6%, compared with 1.6% in California.
Route planning tips for ZIP 93401 fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in San Luis Obispo County.
- 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
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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 |
| SR-193 | 1 |
| South Higuera St | 1 |
| Trouville Ave | 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 |
ZIP 93401 at a glance
| Population | 29,202 |
| Density | 176 per sq mi |
| Median household income | $96,824 |
| Median home value | $966,621 |
| Home ownership | 48% |
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. NHTSA counts 3.2 fatal large-truck crashes a year in 2016–19 and 2.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 93401
How common are truck crashes in ZIP 93401?
San Luis Obispo County has had 920 reported truck crashes since 2015, injuring 371 people and killing 30.
What is the most dangerous road for trucks in ZIP 93401?
Since 2015, US-101 has had the most fatal large-truck crashes within 10 miles of ZIP 93401: 4.
When do most truck crashes happen in ZIP 93401?
September has the most truck crashes in San Luis Obispo County, 10.4% of the yearly total.
How many garbage truck accidents happen in ZIP 93401?
15 crashes involving garbage or refuse trucks have been reported in San Luis Obispo County since 2015, 1.6% of all truck crashes.
How do truck crashes in ZIP 93401 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 93401?
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.