ZIP 93453 (Santa Margarita, CA) truck route planning & crash data
Plan safer truck routes around ZIP 93453: 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
No fatal large-truck crashes with a road name recorded here since 2015.
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.
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%).
November through March accounts for 36.1% of truck crashes here, compared with 40.2% in California.
More truck crashes happen at 7–8 am than at any other hour (7.4%).
0.3% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of ZIP 93453.
Garbage & waste trucks
15 crashes involved a garbage or refuse truck, a 1.6% share (California: 1.6%).
Route planning tips for ZIP 93453 fleets
- Build extra time into September routes: it has the most truck crashes here.
- 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
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
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 93453 at a glance
| Population | 2,344 |
| Density | 1 per sq mi |
| Median household income | $78,288 |
| Home ownership | 61% |
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 93453
How many truck accidents are there in ZIP 93453?
920 truck crashes have been reported in San Luis Obispo County since 2015, with 30 deaths and 371 injuries.
What is the worst month for truck crashes in ZIP 93453?
The worst month is September: 10.4% of truck crashes in San Luis Obispo County happen then.
How many garbage truck crashes are there in ZIP 93453?
Garbage trucks were involved in 15 reported crashes in San Luis Obispo County since 2015 (1.6% of truck crashes).
What is the truck crash rate in ZIP 93453 compared with California?
San Luis Obispo County records 28.4 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in ZIP 93453?
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.