Diamond Bar, CA truck route planning & crash data
Plan safer truck routes in Diamond Bar: commercial truck and garbage truck crashes, 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
6 of 1,110 truck crashes since 2015.
Deadliest roads
How Diamond Bar compares with California
Diamond Bar against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Diamond Bar stands out
Full comparison
| Measure (2015–2025) | Diamond Bar | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 185.1 | 33.2 | 49.7 | 5.6× the state |
| Deaths per 100 crashes | 1.4 | 3.6 | 3.4 | 61% below the state |
| Injuries per crash | 0.32 | 0.44 | 0.49 | 27% below the state |
| Garbage-truck share | 0.6% | 1.6% | 2.3% | 66% below the state |
| On snow, slush or ice | 0.3% | 0.9% | 6.2% | 70% below the state |
| Morning rush (6–10 am) | 21.9% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 4.1% | 6.5% | 13.8% | 37% below the state |
| Winter months (Nov–Mar) | 43.3% | 40.2% | 41.9% | 1.1× the state |
| After dark | 25.4% | 29.1% | 24.8% | 12% below the state |
Compared with California, Diamond Bar is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. It stands out for higher crashes per 100k residents / yr and winter months (nov–mar).
Diamond Bar at a glance: 1 in 179 garbage-truck share of crashes is 0.6%, against 1.6% for California.
Overview
Diamond Bar has recorded 1,110 truck crashes since 2015, with 372 people injured and 15 killed.
That averages about one truck crash every 4 days in fully reported years.
When crashes happen
The worst month is June with 9.6% of truck crashes; the quietest is September at 6.9%.
Winter months (Nov–Mar) carry 43.3% of truck crashes, vs 40.2% for California.
More truck crashes happen at 3–4 pm than at any other hour (7.7%).
Road surface: 0.3% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
SR-60 leads within 10 miles of Diamond Bar with 18 fatal crashes involving a large truck since 2015. After it: I-10 (14), SR-57 (9) and I-210 (6).
Garbage & waste trucks
Garbage and refuse trucks were involved in 6 crashes, 0.5% of the total, against 1.6% across California.
Route planning tips for Diamond Bar fleets
- Review driver schedules for June, the month with the most truck crashes.
- Check whether your routes use SR-60, the road with the most fatal truck crashes in this area.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Diamond Bar
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-60 | 18 |
| I-10 | 14 |
| SR-57 | 9 |
| I-210 | 6 |
| SR-71 | 4 |
| Gale Ave | 2 |
| Imperial Hwy | 2 |
| Amar Rd | 1 |
| Badillo St | 1 |
| CR-VALLEY Bl | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Diamond Bar) |
|---|---|
| Sr-60 E/B (Pomona Fwy) | 15 |
| Sr-60 W/B (Pomona Fwy) | 10 |
| Sr-60 W/B | 8 |
| Rt60/.2M E Grand Av | 7 |
| Sr-60 E/B Pomona Fwy | 6 |
| Sr-57 N/B (Orange Fwy) | 6 |
| Rt60/.3M E Grand Av | 5 |
| Rt60/.3M W Grand Av | 5 |
Diamond Bar at a glance
| Population | 52,292 |
| Land area | 14.9 sq mi |
| Density | 3,515 per sq mi |
| Median household income (ZIP 91765) | $105,565 |
| Median home value (ZIP 91765) | $915,026 |
Waste facilities and haulers nearby
Historical data: truck crashes in Diamond Bar 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 | — | — | 62.3 |
| 2000s | 55 | — | 55.4 |
| 2010s | 86 | +56% | 48.7 |
| 2020s | 100 | +15% | 61.8 |
Reported truck crashes averaged 55 a year in the 2000s and 100 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 54.0 fatal large-truck crashes a year in 2016–19 and 61.8 a year in 2020–24.
Nearby places
Questions fleets ask about Diamond Bar
How common are truck crashes in Diamond Bar?
1,110 truck crashes have been reported in Diamond Bar since 2015, with 15 deaths and 372 injuries.
Where do fatal truck crashes happen most in Diamond Bar?
Since 2015, SR-60 has had the most fatal large-truck crashes within 10 miles of Diamond Bar: 18.
Which month has the most truck crashes in Diamond Bar?
June has the most truck crashes in Diamond Bar, 9.6% of the yearly total.
How many garbage truck crashes are there in Diamond Bar?
Since 2015, Diamond Bar has reported 6 garbage-truck crashes, or 0.5% of its truck crashes.
How do truck crashes in Diamond Bar compare with California?
Diamond Bar records 185.1 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Diamond Bar?
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.