San Dimas, CA truck route planning & crash data
Plan safer truck routes in San Dimas: 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
2 of 239 truck crashes since 2015.
Deadliest roads
How San Dimas compares with California
San Dimas against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Dimas stands out
Full comparison
| Measure (2015–2025) | San Dimas | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 62.7 | 33.2 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 1.7 | 3.6 | 3.4 | 53% below the state |
| Injuries per crash | 0.34 | 0.44 | 0.49 | 23% below the state |
| Garbage-truck share | 0.9% | 1.6% | 2.3% | 47% below the state |
| On snow, slush or ice | 0.0% | 0.9% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 21.0% | 23.5% | 23.7% | 11% below the state |
| In rain, sleet or snow | 7.9% | 6.5% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 42.8% | 40.2% | 41.9% | same |
| After dark | 37.1% | 29.1% | 24.8% | 1.3× the state |
San Dimas has lower values than California for deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, in rain, sleet or snow and after dark.
What stands out in San Dimas: 0.0% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
San Dimas has recorded 239 truck crashes since 2015, with 87 people injured and 4 killed.
Across the years with complete reporting, that is roughly one truck crash every 18 days.
When crashes happen
March has the most truck crashes, 11.3% of the yearly total, while September has the fewest (3.8%).
The five winter months (November to March) hold 42.8% of truck crashes, against 40.2% across California.
By time of day, 5–6 am stands out with 10.0% of truck crashes.
0.0% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
I-10 leads within 10 miles of San Dimas with 17 fatal crashes involving a large truck since 2015. After it: SR-60 (11), I-210 (10) and SR-210 (7).
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 0.8%, compared with 1.6% in California.
Route planning tips for San Dimas fleets
- Review driver schedules for March, the month with the most truck crashes.
- Look at alternatives to I-10 at busy times: it leads this area in fatal truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in San Dimas
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 (San Dimas) |
|---|---|
| Rt57/.1Mi S Of Auto Centre Dr | 4 |
| Rt 210/250Ft W Of San Dimas Ave | 4 |
| Rt57/1000Ft S Via Verde Av | 3 |
| Sr57 Nb/816Ft N Covina Bl | 2 |
| Sr57 Sb/.38M S Covina Bl | 2 |
| Sr57 Nb/.36M S Auto Centre Dr | 2 |
| Sr-57 N/B | 2 |
| Sr-57 N/B (Orange Fwy) | 2 |
San Dimas at a glance
| Population | 33,226 |
| Land area | 15.0 sq mi |
| Density | 2,210 per sq mi |
| Median household income (ZIP 91773) | $105,338 |
| Median home value (ZIP 91773) | $791,108 |
Waste facilities and haulers nearby
Historical data: truck crashes in San Dimas 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 | 13 | — | 55.4 |
| 2010s | 17 | +30% | 48.7 |
| 2020s | 23 | +38% | 61.8 |
Reported truck crashes averaged 13 a year in the 2000s and 23 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 54.0 a year in 2016–19 and 61.8 a year in 2020–24.
Nearby places
Questions fleets ask about San Dimas
How many truck accidents are there in San Dimas?
San Dimas has had 239 reported truck crashes since 2015, injuring 87 people and killing 4.
Where do fatal truck crashes happen most in San Dimas?
I-10 had 17 fatal crashes involving a large truck within 10 miles of San Dimas since 2015, more than any other road.
Which month has the most truck crashes in San Dimas?
March has the most truck crashes in San Dimas, 11.3% of the yearly total.
How many garbage truck accidents happen in San Dimas?
Garbage trucks were involved in 2 reported crashes in San Dimas since 2015 (0.8% of truck crashes).
How do truck crashes in San Dimas compare with California?
The yearly rate is 62.7 truck crashes per 100,000 residents in San Dimas, vs 33.2 for California.
How do I plan a garbage truck route in San Dimas?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.