Seneca, OR truck route planning & crash data
Plan safer truck routes in Seneca: commercial truck and garbage truck crashes in Seneca and Grant County, dangerous roads, seasonality and route safety data for fleets. Patterns use Grant County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 50 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Grant County compares with Oregon
Grant County against Oregon and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grant County stands out
Full comparison
| Measure (2015–2025) | Grant County | Oregon | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 60.2 | 41.0 | 49.7 | 1.5× the state |
| Deaths per 100 crashes | 6.4 | 3.9 | 3.4 | 1.6× the state |
| Injuries per crash | 0.34 | 0.35 | 0.49 | same |
| Garbage-truck share | 2.1% | 2.0% | 2.3% | same |
| On snow, slush or ice | 27.7% | 13.3% | 6.2% | 2.1× the state |
| Morning rush (6–10 am) | 27.7% | 24.2% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 19.1% | 18.8% | 13.8% | same |
| Winter months (Nov–Mar) | 40.4% | 45.1% | 41.9% | 10% below the state |
| After dark | 25.5% | 25.3% | 24.8% | same |
Grant County sits below Oregon on winter months (nov–mar). It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
The headline for Grant County: 27.7% share of truck crashes on snow, slush or ice (Oregon: 13.3%).
Overview
Since 2015, 50 crashes involving commercial trucks have been reported in Grant County. They injured 17 people and killed 3.
That averages about one truck crash every 85 days in fully reported years.
With 0 truck crashes reported in Seneca since 2015, this page uses Grant County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in July (16.0% of the year) and are lowest in April (2.0%).
The five winter months (November to March) hold 40.4% of truck crashes, against 45.1% across Oregon.
By time of day, 8–9 am stands out with 16.0% of truck crashes.
Road surface: 27.7% of truck crashes were on snow, slush or ice (Oregon: 13.3%).
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Seneca.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 2.0% share (Oregon: 2.0%).
Route planning tips for Seneca fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Grant County.
- Morning starts matter: 27.7% of truck crashes fall between 6 and 10 am, higher than Oregon.
- Icy and snowy roads show up in 27.7% of truck crashes here, more than Oregon; 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 Grant County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grant County) |
|---|---|
| County Rd 20 1 E Camp Creek Rd | 1 |
| County Rd 63 4.5 W South Fork Rd | 1 |
| Cr 63 (Izee-Paulina Ln) .2 W Usfs 901 Rd | 1 |
| Hwy 19 & Hwy 26 | 1 |
| Hwy 19 2.85 N Dick Creek Lane | 1 |
| Hwy 26 & Apple Rd | 1 |
| Hwy 26 & Golf Course Rd | 1 |
| Hwy 26 & Lower Yard Rd | 1 |
Seneca at a glance
| Population | 162 |
| Land area | 0.8 sq mi |
| Density | 204 per sq mi |
| Median household income (ZIP 97873) | $39,821 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grant 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 | — | 0.5 |
| 2000s | 5 | -5% | 0.1 |
| 2010s | 3 | -34% | 0.3 |
| 2020s | 5 | +52% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 5. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Seneca
How common are truck crashes in Seneca?
Since 2015, 50 crashes involving commercial trucks were reported in Grant County (17 injured, 3 killed).
Which month has the most truck crashes in Seneca?
July has the most truck crashes in Grant County, 16.0% of the yearly total.
How many garbage truck crashes are there in Seneca?
Since 2015, Grant County has reported 1 garbage-truck crash, or 2.0% of its truck crashes.
How do truck crashes in Seneca compare with Oregon?
Grant County records 60.2 truck crashes per 100,000 residents a year, against 41.0 across Oregon.
How do I plan a garbage truck route in Seneca?
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.