ZIP 91931 (Guatay, CA) truck route planning & crash data
Plan safer truck routes around ZIP 91931: commercial truck and garbage truck crashes here and in San Diego 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
2.8 deaths per 100 garbage-truck crashes vs 3.6 for all trucks.
Deadliest roads
How San Diego County compares with California
San Diego County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Diego County stands out
Full comparison
| Measure (2015–2025) | San Diego County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 17.6 | 33.2 | 49.7 | 47% below the state |
| Deaths per 100 crashes | 3.6 | 3.6 | 3.4 | same |
| Injuries per crash | 0.51 | 0.44 | 0.49 | 1.2× the state |
| Garbage-truck share | 2.8% | 1.6% | 2.3% | 1.7× the state |
| On snow, slush or ice | 0.3% | 0.9% | 6.2% | 70% below the state |
| Morning rush (6–10 am) | 26.3% | 23.5% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 7.4% | 6.5% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 41.8% | 40.2% | 41.9% | same |
| After dark | 28.0% | 29.1% | 24.8% | same |
Compared with California, San Diego County is lower on crashes per 100k residents / yr and on snow, slush or ice. It runs above California on injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in San Diego County: 1 in 36 of truck crashes here involve garbage trucks: 2.8%, vs 1.6% in California.
Overview
San Diego County has recorded 6,646 truck crashes since 2015, with 3,402 people injured and 235 killed.
That averages about 2 truck crashes a day in fully reported years.
When crashes happen
March has the most truck crashes, 8.8% of the yearly total, while November has the fewest (7.8%).
Winter months (Nov–Mar) carry 41.8% of truck crashes, vs 40.2% for California.
The busiest hour is 7–8 am, with 7.0% 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
Fatal large-truck crashes within 10 miles of ZIP 91931 since 2015 were spread across roads: CR-PINE Blvd (1), I-8 (1) and Old Highway 80 (1).
Garbage & waste trucks
Garbage trucks account for 181 of the truck crashes here, or 2.7%, compared with 1.6% in California.
The most garbage-truck crashes happen in July (12%).
Deaths per 100 garbage-truck crashes: 2.8, vs 3.6 for all truck crashes.
Route planning tips for ZIP 91931 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in July; review collection routes for that month.
- Morning starts matter: 26.3% of truck crashes fall between 6 and 10 am, higher than California.
- 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 Diego County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-PINE Blvd | 1 |
| I-8 | 1 |
| Old Highway 80 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Diego County) |
|---|---|
| I-5 | 33 |
| I-805 | 29 |
| I-15 | 28 |
| SR-15 | 10 |
| I-8 | 9 |
| SR-78 | 7 |
| Sr-78 E/B | 7 |
| SR-52 | 5 |
ZIP 91931 at a glance
| Population | 494 |
| Density | 23 per sq mi |
| Median household income | $63,750 |
| Home ownership | 81% |
Waste facilities and haulers nearby
Historical data: truck crashes in San Diego 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 | 2 | — | 14.4 |
| 2000s | 411 | +20465% | 16.2 |
| 2010s | 514 | +25% | 12.4 |
| 2020s | 570 | +11% | 19.8 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 570. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 13.5 a year in 2016–19 and 19.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 91931
How common are truck crashes in ZIP 91931?
San Diego County has had 6,646 reported truck crashes since 2015, injuring 3,402 people and killing 235.
What is the worst month for truck crashes in ZIP 91931?
The worst month is March: 8.8% of truck crashes in San Diego County happen then.
Are garbage truck crashes common in ZIP 91931?
Since 2015, San Diego County has reported 181 garbage-truck crashes, or 2.7% of its truck crashes.
What is the truck crash rate in ZIP 91931 compared with California?
San Diego County records 17.6 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in ZIP 91931?
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.