Clarkston, WA truck route planning & crash data
Plan safer truck routes in Clarkston: commercial truck and garbage truck crashes in Clarkston and Whitman County, dangerous roads, seasonality and route safety data for fleets. Patterns use Whitman County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 209 truck crashes since 2015.
Deadliest roads
How Whitman County compares with Washington
Whitman County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Whitman County stands out
Full comparison
| Measure (2015–2025) | Whitman County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 37.2 | 25.8 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 5.1 | 3.4 | 3.4 | 1.5× the state |
| Injuries per crash | 0.18 | 0.18 | 0.49 | same |
| Garbage-truck share | 2.0% | 2.2% | 2.3% | 8% below the state |
| On snow, slush or ice | 17.2% | 9.7% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 24.8% | 24.8% | 23.7% | same |
| In rain, sleet or snow | 12.1% | 20.2% | 13.8% | 40% below the state |
| Winter months (Nov–Mar) | 44.4% | 43.8% | 41.9% | same |
| After dark | 16.2% | 25.2% | 24.8% | 36% below the state |
Whitman County has lower values than Washington for garbage-truck share, in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Whitman County: 17.2% of truck crashes happened on snow, slush or ice, vs 9.7% in Washington.
Overview
Since 2015, 209 crashes involving commercial trucks have been reported in Whitman County. They injured 38 people and killed 11.
That averages about one truck crash every 20 days in fully reported years.
Only 2 truck crashes were reported in Clarkston since 2015; patterns below come from Whitman County as a whole.
When crashes happen
August has the most truck crashes, 14.8% of the yearly total, while June has the fewest (4.8%).
Winter months (Nov–Mar) carry 44.4% of truck crashes, vs 43.8% for Washington.
The busiest hour is 2–3 pm, with 10.5% of truck crashes.
17.2% of truck crashes here happened on snow, slush or ice, against 9.7% across Washington.
Where crashes happen
Fatal large-truck crashes within 10 miles of Clarkston since 2015 were spread across roads: Bryden Canyon Rd (1), CR-WILMA Dr (1), Leevee Bypass Rd (1), SR-128 (1) and SR-129 (1).
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 1.9%, compared with 2.2% in Washington.
Route planning tips for Clarkston fleets
- Review driver schedules for August, the month with the most truck crashes.
- With 17.2% of truck crashes on snow, slush or ice (above Washington), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Whitman County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Bryden Canyon Rd | 1 |
| CR-WILMA Dr | 1 |
| Leevee Bypass Rd | 1 |
| SR-128 | 1 |
| SR-129 | 1 |
| US-195 | 1 |
| US-95 | 1 |
| Waha Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Whitman County) |
|---|---|
| Sr-128*001.00 | 3 |
| Sr-195*000.50 | 3 |
| Farmington Rd/Sr-27 | 2 |
| Sr-128*000.50 | 2 |
| Sr-194*003.00 | 2 |
| Sr-195*002.00 | 2 |
| Sr-195*018.00 | 2 |
| Sr-195*036.50 | 2 |
Clarkston at a glance
| Population | 7,138 |
| Land area | 2.1 sq mi |
| Density | 3,472 per sq mi |
| Median household income (ZIP 99179) | $79,063 |
| Median home value (ZIP 99179) | $405,113 |
Waste facilities and haulers nearby
Historical data: truck crashes in Whitman 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 | 7 | — | 0.6 |
| 2000s | 14 | +93% | 0.8 |
| 2010s | 17 | +21% | 0.9 |
| 2020s | 16 | -4% | 1.0 |
Reported truck crashes averaged 7 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. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Clarkston
How common are truck crashes in Clarkston?
209 truck crashes have been reported in Whitman County since 2015, with 11 deaths and 38 injuries.
When do most truck crashes happen in Clarkston?
August has the most truck crashes in Whitman County, 14.8% of the yearly total.
Are garbage truck crashes common in Clarkston?
Garbage trucks were involved in 4 reported crashes in Whitman County since 2015 (1.9% of truck crashes).
How do truck crashes in Clarkston compare with Washington?
The yearly rate is 37.2 truck crashes per 100,000 residents in Whitman County, vs 25.8 for Washington.
How do I plan a garbage truck route in Clarkston?
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.