Westwood, CA truck route planning & crash data
Plan safer truck routes in Westwood: commercial truck and garbage truck crashes in Westwood and Lassen County, dangerous roads, seasonality and route safety data for fleets. Patterns use Lassen County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 333 truck crashes since 2015.
Deadliest roads
How Lassen County compares with California
Lassen County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lassen County stands out
Full comparison
| Measure (2015–2025) | Lassen County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 103.6 | 33.2 | 49.7 | 3.1× the state |
| Deaths per 100 crashes | 8.0 | 3.6 | 3.4 | 2.2× the state |
| Injuries per crash | 0.36 | 0.44 | 0.49 | 18% below the state |
| Garbage-truck share | 0.9% | 1.6% | 2.3% | 43% below the state |
| On snow, slush or ice | 28.2% | 0.9% | 6.2% | 30.3× the state |
| Morning rush (6–10 am) | 26.3% | 23.5% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 18.0% | 6.5% | 13.8% | 2.8× the state |
| Winter months (Nov–Mar) | 48.9% | 40.2% | 41.9% | 1.2× the state |
| After dark | 30.3% | 29.1% | 24.8% | same |
Lassen County sits below California on injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Lassen County: 28.2% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Police reported 333 crashes involving commercial trucks in Lassen County since 2015: 120 people were injured and 26 were killed.
In complete reporting years that works out to about one truck crash every 12 days.
Westwood had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Lassen County numbers.
When crashes happen
Truck crashes peak in December (10.5% of the year) and are lowest in May (6.0%).
November through March accounts for 48.9% of truck crashes here, compared with 40.2% in California.
By time of day, 10–11 am stands out with 9.0% of truck crashes.
Snow, slush or ice was on the road in 28.2% of truck crashes, compared with 0.9% in California.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Westwood happened on SR-89 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 0.9%, compared with 1.6% in California.
Route planning tips for Westwood fleets
- Build extra time into December routes: it has the most truck crashes here.
- 26.3% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- Icy and snowy roads show up in 28.2% of truck crashes here, more than California; schedule winter checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Lassen County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-89 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lassen County) |
|---|---|
| US-395 | 8 |
| SR-139 | 3 |
| Rt44/1.6M W Rt36 | 3 |
| Rt395/.2Mi N Of Flux Rd | 3 |
| Johnstonville Rd/35Ft W Big Sky Bl | 2 |
| Rt 44/257Ft E Of County Rd A-21 | 2 |
| Rt36/.4M E Eagle Lake Rd | 2 |
| Rt395/ County Rd A3 | 2 |
Westwood at a glance
| Land area | 5.6 sq mi |
| Median household income (ZIP 96137) | $65,896 |
| Median home value (ZIP 96137) | $422,777 |
Waste facilities and haulers nearby
Historical data: truck crashes in Lassen 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 | — | — | 2.6 |
| 2000s | 20 | — | 1.6 |
| 2010s | 19 | -6% | 1.6 |
| 2020s | 34 | +74% | 1.8 |
From the 2000s to the 2020s, yearly reported truck crashes went from 20 to 34. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 2.2 a year in 2016–19 and 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Westwood
How common are truck crashes in Westwood?
Since 2015, 333 crashes involving commercial trucks were reported in Lassen County (120 injured, 26 killed).
What is the worst month for truck crashes in Westwood?
The worst month is December: 10.5% of truck crashes in Lassen County happen then.
How many garbage truck accidents happen in Westwood?
Since 2015, Lassen County has reported 3 garbage-truck crashes, or 0.9% of its truck crashes.
How do truck crashes in Westwood compare with California?
Per 100,000 residents, Lassen County has 103.6 truck crashes a year; California has 33.2.
How can I plan a safer truck route in Westwood?
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.