ZIP 91765 (Diamond Bar, CA) truck route planning & crash data
Plan safer truck routes around ZIP 91765: 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 |
Los Angeles County has lower values than California for deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow. It stands out for higher garbage-truck share.
ZIP 91765 at a glance: SR-60 17 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 91765.
Overview
Police reported 34,951 crashes involving commercial trucks in Los Angeles County since 2015: 14,954 people were injured and 875 were killed.
In complete reporting years that works out to about 8 truck crashes a day.
When crashes happen
Truck crashes peak in October (8.9% of the year) and are lowest in February (7.8%).
November through March accounts for 41.8% of truck crashes here, compared with 40.2% in California.
By time of day, 12–1 pm stands out 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
The deadliest road for trucks within 10 miles of ZIP 91765 is SR-60, with 17 fatal large-truck crashes since 2015. After it: I-10 (13), SR-57 (13) and I-210 (5).
Garbage & waste trucks
Garbage trucks account for 634 of the truck crashes here, or 1.8%, compared with 1.6% in California.
Their busiest month is February, with 11% of garbage-truck crashes.
They recorded 2.5 deaths per 100 crashes, against 2.5 for all trucks.
Route planning tips for ZIP 91765 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Los Angeles County.
- Where you can, review stops along SR-60; it has the most fatal large-truck crashes nearby.
- 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) |
|---|---|
| SR-60 | 17 |
| I-10 | 13 |
| SR-57 | 13 |
| I-210 | 5 |
| SR-71 | 4 |
| SR-91 | 3 |
| Gale Ave | 2 |
| Imperial Hwy | 2 |
| Amar Rd | 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 91765 at a glance
| Population | 44,502 |
| Density | 925 per sq mi |
| Median household income | $105,565 |
| Median home value | $915,026 |
| Home ownership | 78% |
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 |
In the 1990s about 12 truck crashes a year were reported; in the 2020s, about 2,943. Reporting coverage also changed between these periods. NHTSA counts 54.0 fatal large-truck crashes a year in 2016–19 and 61.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 91765
How common are truck crashes in ZIP 91765?
34,951 truck crashes have been reported in Los Angeles County since 2015, with 875 deaths and 14,954 injuries.
Where do fatal truck crashes happen most in ZIP 91765?
SR-60 had 17 fatal crashes involving a large truck within 10 miles of ZIP 91765 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 91765?
October has the most truck crashes in Los Angeles County, 8.9% of the yearly total.
Are garbage truck crashes common in ZIP 91765?
Garbage trucks were involved in 634 reported crashes in Los Angeles County since 2015 (1.8% of truck crashes).
How do truck crashes in ZIP 91765 compare with California?
Per 100,000 residents, Los Angeles County has 31.4 truck crashes a year; California has 33.2.
How can I plan a safer truck route in ZIP 91765?
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.