Hamilton Branch, CA truck route planning & crash data
Plan safer truck routes in Hamilton Branch: commercial truck and garbage truck crashes in Hamilton Branch and Plumas County, dangerous roads, seasonality and route safety data for fleets. Patterns use Plumas County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 179 truck crashes since 2015.
Deadliest roads
How Plumas County compares with California
Plumas County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Plumas County stands out
Full comparison
| Measure (2015–2025) | Plumas County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 84.0 | 33.2 | 49.7 | 2.5× the state |
| Deaths per 100 crashes | 4.6 | 3.6 | 3.4 | 1.3× the state |
| Injuries per crash | 0.39 | 0.44 | 0.49 | 11% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 8.6% | 0.9% | 6.2% | 9.3× the state |
| Morning rush (6–10 am) | 25.9% | 23.5% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 5.2% | 6.5% | 13.8% | 21% below the state |
| Winter months (Nov–Mar) | 35.6% | 40.2% | 41.9% | 11% below the state |
| After dark | 16.7% | 29.1% | 24.8% | 43% below the state |
Plumas County has lower values than California for injuries per crash, garbage-truck share and in rain, sleet or snow. It runs above California on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Plumas County: 8.6% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Plumas County has recorded 179 truck crashes since 2015, with 67 people injured and 10 killed.
That averages about one truck crash every 23 days in fully reported years.
With 0 truck crashes reported in Hamilton Branch since 2015, this page uses Plumas County numbers for its patterns and comparisons.
When crashes happen
The worst month is August with 12.8% of truck crashes; the quietest is December at 5.6%.
November through March accounts for 35.6% of truck crashes here, compared with 40.2% in California.
By time of day, 8–9 am stands out with 11.2% of truck crashes.
Road surface: 8.6% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Hamilton Branch happened on SR-89 (1); no road leads clearly.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Plumas County since 2015.
Route planning tips for Hamilton Branch fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Plumas County.
- 25.9% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- 8.6% of truck crashes were on snow, slush or ice, above California; plan winter equipment checks before the season.
- 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 Plumas 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 (Plumas County) |
|---|---|
| SR-89 | 6 |
| SR-70 | 3 |
| Caribou Rd/3.2M N Rt70 | 2 |
| Dyson Ln | 2 |
| Rt 36 / Rt 324 | 2 |
| Rt70/.1M E Keddie Resort Rd | 2 |
| Rt70/.1M W Frencham Lake Rd | 2 |
| Rt70/.2M E Spanish Creek Bridge | 2 |
Hamilton Branch at a glance
| Land area | 1.1 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Plumas 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 | 1 | — | 0.8 |
| 2000s | 14 | +1310% | 0.9 |
| 2010s | 14 | +2% | 0.5 |
| 2020s | 16 | +8% | 0.2 |
Reported truck crashes averaged 1 a year in the 1990s and 16 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Hamilton Branch
How common are truck crashes in Hamilton Branch?
179 truck crashes have been reported in Plumas County since 2015, with 10 deaths and 67 injuries.
When do most truck crashes happen in Hamilton Branch?
August has the most truck crashes in Plumas County, 12.8% of the yearly total.
Are garbage truck crashes common in Hamilton Branch?
Garbage trucks were involved in 0 reported crashes in Plumas County since 2015 (0.0% of truck crashes).
How does Hamilton Branch compare with California for truck crashes?
The yearly rate is 84.0 truck crashes per 100,000 residents in Plumas County, vs 33.2 for California.
What is the best way to plan truck routes in Hamilton Branch?
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.