Lewiston, CA truck route planning & crash data
Plan safer truck routes in Lewiston: commercial truck and garbage truck crashes in Lewiston and Trinity County, dangerous roads, seasonality and route safety data for fleets. Patterns use Trinity County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 173 truck crashes since 2015.
Deadliest roads
How Trinity County compares with California
Trinity County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Trinity County stands out
Full comparison
| Measure (2015–2025) | Trinity County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 98.8 | 33.2 | 49.7 | 3.0× the state |
| Deaths per 100 crashes | 1.8 | 3.6 | 3.4 | 50% below the state |
| Injuries per crash | 0.34 | 0.44 | 0.49 | 23% below the state |
| Garbage-truck share | 1.2% | 1.6% | 2.3% | 28% below the state |
| On snow, slush or ice | 5.3% | 0.9% | 6.2% | 5.7× the state |
| Morning rush (6–10 am) | 30.0% | 23.5% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 8.8% | 6.5% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 34.1% | 40.2% | 41.9% | 15% below the state |
| After dark | 15.9% | 29.1% | 24.8% | 45% below the state |
Compared with California, Trinity County is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above California on crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
The headline for Trinity County: 5.3% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Trinity County has recorded 173 truck crashes since 2015, with 61 people injured and 3 killed.
In complete reporting years that works out to about one truck crash every 24 days.
Lewiston had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Trinity County numbers.
When crashes happen
Truck crashes peak in June (16.8% of the year) and are lowest in February (4.6%).
The five winter months (November to March) hold 34.1% of truck crashes, against 40.2% across California.
By time of day, 9–10 am stands out with 11.6% of truck crashes.
Snow, slush or ice was on the road in 5.3% of truck crashes, compared with 0.9% in California.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Lewiston happened on SR-299 (4); no road leads clearly.
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 1.2% share (California: 1.6%).
Route planning tips for Lewiston fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in Trinity County.
- The morning rush (6–10 am) holds 30.0% of truck crashes here, more than California; adjust start times where you can.
- Icy and snowy roads show up in 5.3% of truck crashes here, more than California; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Trinity County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-299 | 4 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Trinity County) |
|---|---|
| SR-299 | 4 |
| Rt 299 / 0.2 Miles West Of Wilson Mountain Road | 2 |
| Rt299/.3M E Grass Valley Creek | 2 |
| Rt299/1.3M E Trinity Dam Bl | 2 |
| Rt36/6.4M E Rt3 | 2 |
| Sr3/110Ft N Mpm3-Tri-15.71 | 2 |
| Brady Rd/88Ft W Rt3 | 1 |
| Ca299/400Ft W Prairie Creek Rd | 1 |
Lewiston at a glance
| Land area | 20.0 sq mi |
| Median household income (ZIP 96052) | $37,222 |
| Median home value (ZIP 96052) | $267,712 |
Waste facilities and haulers nearby
Historical data: truck crashes in Trinity 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 | — | — | 0.5 |
| 2000s | 12 | — | 0.6 |
| 2010s | 12 | +3% | 0.2 |
| 2020s | 15 | +21% | 0.6 |
In the 2000s about 12 truck crashes a year were reported; in the 2020s, about 15. Reporting coverage also changed between these periods. NHTSA counts 0.0 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Lewiston
How common are truck crashes in Lewiston?
173 truck crashes have been reported in Trinity County since 2015, with 3 deaths and 61 injuries.
Which month has the most truck crashes in Lewiston?
Truck crashes in Trinity County peak in June, with 16.8% of the year's crashes.
How many garbage truck accidents happen in Lewiston?
Garbage trucks were involved in 2 reported crashes in Trinity County since 2015 (1.2% of truck crashes).
What is the truck crash rate in Lewiston compared with California?
Trinity County records 98.8 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Lewiston?
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.