Lewis County, ID truck route planning & crash data
Plan safer truck routes in Lewis County: 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
0 of 27 truck crashes since 2015.
Deadliest roads
How Lewis County compares with Idaho
Lewis County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lewis County stands out
Full comparison
| Measure (2015–2025) | Lewis County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 65.8 | 37.4 | 49.7 | 1.8× the state |
| Deaths per 100 crashes | 3.7 | 6.1 | 3.4 | 39% below the state |
| Injuries per crash | 0.78 | 0.55 | 0.49 | 1.4× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 7.4% | 16.0% | 6.2% | 54% below the state |
| Morning rush (6–10 am) | 22.2% | 23.0% | 23.7% | same |
| In rain, sleet or snow | 3.7% | 10.2% | 13.8% | 64% below the state |
| Winter months (Nov–Mar) | 25.9% | 40.9% | 41.9% | 37% below the state |
| After dark | 25.9% | 22.8% | 24.8% | 1.1× the state |
Lewis County sits below Idaho on deaths per 100 crashes, garbage-truck share and on snow, slush or ice. It stands out for higher crashes per 100k residents / yr, injuries per crash and after dark.
Lewis County at a glance: 0 of truck crashes here involve garbage trucks: 0.0%, vs 1.6% in Idaho.
Overview
Lewis County has recorded 27 truck crashes since 2015, with 21 people injured and 1 killed.
In complete reporting years that works out to about one truck crash every 149 days.
When crashes happen
The worst month is October with 18.5% of truck crashes; the quietest is March at 0.0%.
November through March accounts for 25.9% of truck crashes here, compared with 40.9% in Idaho.
More truck crashes happen at 4–5 pm than at any other hour (18.5%).
Road surface: 7.4% of truck crashes were on snow, slush or ice (Idaho: 16.0%).
Where crashes happen
Since 2015, fatal crashes with a large truck in Lewis County happened on US-12 (2); no road leads clearly.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Lewis County since 2015.
Route planning tips for Lewis County fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Lewis County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Lewis County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Lewis County) |
|---|---|
| US-12 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lewis County) |
|---|---|
| US-12 | 12 |
| US-95 | 9 |
| Camas Express Gas Station | 2 |
| Central Ridge | 1 |
| Sh 162 | 1 |
| Sh 62 | 1 |
| Sh 64 | 1 |
Lewis County at a glance
| Population | 3,728 |
| Land area | 478.8 sq mi |
| Density | 8 per sq mi |
| Median household income (ZIP average) | $62,864 |
Historical data: truck crashes in Lewis 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 | — | 0.2 |
| 2000s | 4 | +67% | 0.3 |
| 2010s | 3 | -31% | 0.4 |
| 2020s | 2 | -20% | 0.0 |
Reported truck crashes averaged 2 a year in the 1990s and 2 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 0.5 a year in 2016–19 and 0.0 a year in 2020–24.
Cities, towns & communities in Lewis County
ZIP codes in Lewis County
Nearby counties
Questions fleets ask about Lewis County
How many truck accidents are there in Lewis County?
Since 2015, 27 crashes involving commercial trucks were reported in Lewis County (21 injured, 1 killed).
When do most truck crashes happen in Lewis County?
Truck crashes in Lewis County peak in October, with 18.5% of the year's crashes.
Are garbage truck crashes common in Lewis County?
Garbage trucks were involved in 0 reported crashes in Lewis County since 2015 (0.0% of truck crashes).
How does Lewis County compare with Idaho for truck crashes?
Per 100,000 residents, Lewis County has 65.8 truck crashes a year; Idaho has 37.4.
What is the best way to plan truck routes in Lewis County?
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.