ZIP 92339 (Forest Falls, CA) truck route planning & crash data
Plan safer truck routes around ZIP 92339: commercial truck and garbage truck crashes here and in San Bernardino 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 3.7 for all trucks.
Deadliest roads
How San Bernardino County compares with California
San Bernardino County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Bernardino County stands out
Full comparison
| Measure (2015–2025) | San Bernardino County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 66.4 | 33.2 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 3.7 | 3.6 | 3.4 | same |
| Injuries per crash | 0.42 | 0.44 | 0.49 | same |
| Garbage-truck share | 0.9% | 1.6% | 2.3% | 47% below the state |
| On snow, slush or ice | 0.6% | 0.9% | 6.2% | 39% below the state |
| Morning rush (6–10 am) | 19.9% | 23.5% | 23.7% | 15% below the state |
| In rain, sleet or snow | 5.4% | 6.5% | 13.8% | 17% below the state |
| Winter months (Nov–Mar) | 41.2% | 40.2% | 41.9% | same |
| After dark | 36.8% | 29.1% | 24.8% | 1.3× the state |
Compared with California, San Bernardino County is lower on garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr and after dark.
What stands out in San Bernardino County: 1 in 115 of truck crashes here involve garbage trucks: 0.9%, vs 1.6% in California.
Overview
San Bernardino County has recorded 16,987 truck crashes since 2015, with 7,216 people injured and 617 killed.
In complete reporting years that works out to about 4 truck crashes a day.
When crashes happen
The worst month is August with 9.1% of truck crashes; the quietest is November at 7.8%.
The five winter months (November to March) hold 41.2% of truck crashes, against 40.2% across California.
By time of day, 2–3 pm stands out with 5.4% of truck crashes.
Snow, slush or ice was on the road in 0.6% of truck crashes, compared with 0.9% in California.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 92339 happened on SR-38 (1); no road leads clearly.
Garbage & waste trucks
145 crashes involved a garbage or refuse truck, a 0.9% share (California: 1.6%).
The most garbage-truck crashes happen in April (12%).
They recorded 2.8 deaths per 100 crashes, against 3.7 for all trucks.
Route planning tips for ZIP 92339 fleets
- Build extra time into August routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in April; review collection routes for that month.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Bernardino County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-38 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Bernardino County) |
|---|---|
| I-15 | 67 |
| I-40 | 35 |
| I-10 W/B (San Bernardino Fwy) | 29 |
| I-10 E/B (San Bernardino Fwy) | 27 |
| Sr-60 E/B (Pomona Fwy) | 19 |
| I-10 | 16 |
| US-395 | 14 |
| I-15 N/B (Ontario Fwy) | 14 |
ZIP 92339 at a glance
| Population | 1,302 |
| Density | 6 per sq mi |
| Median household income | $77,167 |
| Median home value | $477,375 |
| Home ownership | 81% |
Waste facilities and haulers nearby
Historical data: truck crashes in San Bernardino 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 | 6 | — | 32.0 |
| 2000s | 850 | +14065% | 34.8 |
| 2010s | 1,161 | +37% | 30.6 |
| 2020s | 1,571 | +35% | 43.4 |
In the 1990s about 6 truck crashes a year were reported; in the 2020s, about 1,571. Reporting coverage also changed between these periods. Fatal large-truck crashes: 35.8 a year in 2016–19, 43.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 92339
How many truck accidents are there in ZIP 92339?
Since 2015, 16,987 crashes involving commercial trucks were reported in San Bernardino County (7,216 injured, 617 killed).
When do most truck crashes happen in ZIP 92339?
The worst month is August: 9.1% of truck crashes in San Bernardino County happen then.
How many garbage truck crashes are there in ZIP 92339?
145 crashes involving garbage or refuse trucks have been reported in San Bernardino County since 2015, 0.9% of all truck crashes.
What is the truck crash rate in ZIP 92339 compared with California?
Per 100,000 residents, San Bernardino County has 66.4 truck crashes a year; California has 33.2.
How can I plan a safer truck route in ZIP 92339?
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.