Sweetwater, ID truck route planning & crash data
Plan safer truck routes in Sweetwater: commercial truck and garbage truck crashes in Sweetwater and Nez Perce County, dangerous roads, seasonality and route safety data for fleets. Patterns use Nez Perce County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 178 truck crashes since 2015.
Deadliest roads
How Nez Perce County compares with Idaho
Nez Perce County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Nez Perce County stands out
Full comparison
| Measure (2015–2025) | Nez Perce County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 35.9 | 37.4 | 49.7 | same |
| Deaths per 100 crashes | 7.7 | 6.1 | 3.4 | 1.3× the state |
| Injuries per crash | 0.54 | 0.55 | 0.49 | same |
| Garbage-truck share | 2.4% | 1.6% | 2.3% | 1.5× the state |
| On snow, slush or ice | 5.9% | 16.0% | 6.2% | 63% below the state |
| Morning rush (6–10 am) | 27.8% | 23.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 10.7% | 10.2% | 13.8% | same |
| Winter months (Nov–Mar) | 34.9% | 40.9% | 41.9% | 15% below the state |
| After dark | 13.6% | 22.8% | 24.8% | 40% below the state |
Nez Perce County sits below Idaho on on snow, slush or ice, winter months (nov–mar) and after dark. It runs above Idaho on deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
What stands out in Nez Perce County: July the month with the most truck crashes: 14.0% of the year's total.
Overview
Nez Perce County has recorded 178 truck crashes since 2015, with 97 people injured and 15 killed.
Across the years with complete reporting, that is roughly one truck crash every 24 days.
Only 0 truck crashes were reported in Sweetwater since 2015; patterns below come from Nez Perce County as a whole.
When crashes happen
The worst month is July with 14.0% of truck crashes; the quietest is March at 4.5%.
November through March accounts for 34.9% of truck crashes here, compared with 40.9% in Idaho.
More truck crashes happen at 2–3 pm than at any other hour (10.7%).
Snow, slush or ice was on the road in 5.9% of truck crashes, compared with 16.0% in Idaho.
Where crashes happen
Within this area, US-12 had the most fatal crashes involving a large truck since 2015 (3). It is followed by US-95 (2) and Waha Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 4 crashes, 2.2% of the total, against 1.6% across Idaho.
Route planning tips for Sweetwater fleets
- Build extra time into July routes: it has the most truck crashes here.
- Check whether your routes use US-12, the road with the most fatal truck crashes in this area.
- 27.8% of truck crashes happen between 6 and 10 am, above Idaho; consider earlier or later starts where possible.
- 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 Nez Perce County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-12 | 3 |
| US-95 | 2 |
| Waha Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Nez Perce County) |
|---|---|
| US-95 | 73 |
| US-12 | 36 |
| Sh 128 | 5 |
| Main | 5 |
| Mill | 4 |
| Mill Rd | 4 |
| Southwick | 4 |
| Tammany Creek | 3 |
Sweetwater at a glance
| Land area | 1.2 sq mi |
| Median household income (ZIP 83540) | $62,963 |
| Median home value (ZIP 83540) | $203,350 |
Waste facilities and haulers nearby
Historical data: truck crashes in Nez Perce 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 | 5 | — | 1.3 |
| 2000s | 15 | +194% | 1.0 |
| 2010s | 13 | -10% | 0.6 |
| 2020s | 15 | +12% | 1.6 |
In the 1990s about 5 truck crashes a year were reported; in the 2020s, about 15. Reporting coverage also changed between these periods. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Sweetwater
How many truck crashes happen in Sweetwater?
178 truck crashes have been reported in Nez Perce County since 2015, with 15 deaths and 97 injuries.
Where do fatal truck crashes happen most in Sweetwater?
NHTSA data shows US-12 with 3 fatal large-truck crashes within 10 miles of Sweetwater since 2015, the highest of any road.
What is the worst month for truck crashes in Sweetwater?
The worst month is July: 14.0% of truck crashes in Nez Perce County happen then.
Are garbage truck crashes common in Sweetwater?
4 crashes involving garbage or refuse trucks have been reported in Nez Perce County since 2015, 2.2% of all truck crashes.
How do truck crashes in Sweetwater compare with Idaho?
Per 100,000 residents, Nez Perce County has 35.9 truck crashes a year; Idaho has 37.4.
How can I plan a safer truck route in Sweetwater?
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.