ZIP 91773 (San Dimas, CA) truck route planning & crash data
Plan safer truck routes around ZIP 91773: commercial truck and garbage truck crashes here and in Los Angeles 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
2.5 deaths per 100 garbage-truck crashes vs 2.5 for all trucks.
Deadliest roads
How Los Angeles County compares with California
Los Angeles County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Los Angeles County stands out
Full comparison
| Measure (2015–2025) | Los Angeles County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 31.4 | 33.2 | 49.7 | same |
| Deaths per 100 crashes | 2.5 | 3.6 | 3.4 | 31% below the state |
| Injuries per crash | 0.42 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.8% | 1.6% | 2.3% | 1.1× the state |
| On snow, slush or ice | 0.2% | 0.9% | 6.2% | 82% below the state |
| Morning rush (6–10 am) | 22.8% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 5.8% | 6.5% | 13.8% | 11% below the state |
| Winter months (Nov–Mar) | 41.8% | 40.2% | 41.9% | same |
| After dark | 28.9% | 29.1% | 24.8% | same |
Compared with California, Los Angeles County is lower on deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow. Where it is higher: garbage-truck share.
What stands out in ZIP 91773: I-10 most fatal truck crashes within 10 miles of ZIP 91773: 17 since 2015.
Overview
Since 2015, 34,951 crashes involving commercial trucks have been reported in Los Angeles County. They injured 14,954 people and killed 875.
Across the years with complete reporting, that is roughly 8 truck crashes every day.
When crashes happen
The worst month is October with 8.9% of truck crashes; the quietest is February at 7.8%.
The five winter months (November to March) hold 41.8% of truck crashes, against 40.2% across California.
The busiest hour is 12–1 pm, with 6.4% of truck crashes.
0.2% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Within this area, I-10 had the most fatal crashes involving a large truck since 2015 (17). After it: SR-60 (11), I-210 (10) and SR-210 (7).
Garbage & waste trucks
Garbage trucks account for 634 of the truck crashes here, or 1.8%, compared with 1.6% in California.
The most garbage-truck crashes happen in February (11%).
They recorded 2.5 deaths per 100 crashes, against 2.5 for all trucks.
Route planning tips for ZIP 91773 fleets
- Review driver schedules for October, the month with the most truck crashes.
- Check whether your routes use I-10, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in February; review collection routes for that month.
- 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 Los Angeles County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-10 | 17 |
| SR-60 | 11 |
| I-210 | 10 |
| SR-210 | 7 |
| SR-57 | 3 |
| I-605 | 2 |
| 16th St | 1 |
| Amar Rd | 1 |
| Azusa Ave | 1 |
| Badillo St | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Los Angeles County) |
|---|---|
| I-605 | 43 |
| I-5 | 43 |
| SR-60 | 33 |
| SR-91 | 25 |
| I-10 W/B (San Bernardino Fwy) | 22 |
| I-5 S/B (Golden State Freeway) | 22 |
| Sr-14 N/B | 22 |
| I-710 S/B (Long Beach Freeway) | 19 |
ZIP 91773 at a glance
| Population | 33,598 |
| Density | 866 per sq mi |
| Median household income | $105,338 |
| Median home value | $791,108 |
| Home ownership | 72% |
Waste facilities and haulers nearby
Historical data: truck crashes in Los Angeles 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 | 12 | — | 62.3 |
| 2000s | 2,148 | +17804% | 55.4 |
| 2010s | 2,934 | +37% | 48.7 |
| 2020s | 2,943 | +0% | 61.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 2,943. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 54.0 a year in 2016–19, 61.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 91773
How many truck accidents are there in ZIP 91773?
Los Angeles County has had 34,951 reported truck crashes since 2015, injuring 14,954 people and killing 875.
Which road has the most fatal truck crashes in ZIP 91773?
I-10 had 17 fatal crashes involving a large truck within 10 miles of ZIP 91773 since 2015, more than any other road.
Which month has the most truck crashes in ZIP 91773?
The worst month is October: 8.9% of truck crashes in Los Angeles County happen then.
Are garbage truck crashes common in ZIP 91773?
Garbage trucks were involved in 634 reported crashes in Los Angeles County since 2015 (1.8% of truck crashes).
How does ZIP 91773 compare with California for truck crashes?
The yearly rate is 31.4 truck crashes per 100,000 residents in Los Angeles County, vs 33.2 for California.
What is the best way to plan truck routes in ZIP 91773?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.