ZIP 98856 (Twisp, WA) truck route planning & crash data
Plan safer truck routes around ZIP 98856: commercial truck and garbage truck crashes here and in Okanogan County, 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
3 of 82 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Okanogan County compares with Washington
Okanogan County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Okanogan County stands out
Full comparison
| Measure (2015–2025) | Okanogan County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 15.8 | 25.8 | 49.7 | 39% below the state |
| Deaths per 100 crashes | 10.3 | 3.4 | 3.4 | 3.0× the state |
| Injuries per crash | 0.27 | 0.18 | 0.49 | 1.5× the state |
| Garbage-truck share | 3.9% | 2.2% | 2.3% | 1.8× the state |
| On snow, slush or ice | 14.1% | 9.7% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 23.1% | 24.8% | 23.7% | same |
| In rain, sleet or snow | 7.7% | 20.2% | 13.8% | 62% below the state |
| Winter months (Nov–Mar) | 42.3% | 43.8% | 41.9% | same |
| After dark | 23.1% | 25.2% | 24.8% | 8% below the state |
Compared with Washington, Okanogan County is lower on crashes per 100k residents / yr, in rain, sleet or snow and after dark. It runs above Washington on deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Okanogan County: 10.3 deaths for every 100 truck crashes, against 3.4 across Washington.
Overview
Okanogan County has recorded 82 truck crashes since 2015, with 24 people injured and 8 killed.
That averages about one truck crash every 51 days in fully reported years.
When crashes happen
July has the most truck crashes, 15.9% of the yearly total, while June has the fewest (2.4%).
November through March accounts for 42.3% of truck crashes here, compared with 43.8% in Washington.
The busiest hour is 11 am–12 pm, with 11.0% of truck crashes.
Snow, slush or ice was on the road in 14.1% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 98856 since 2015.
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 3.7% share (Washington: 2.2%).
Route planning tips for ZIP 98856 fleets
- Build extra time into July routes: it has the most truck crashes here.
- 14.1% of truck crashes were on snow, slush or ice, above Washington; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Okanogan 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 (Okanogan County) |
|---|---|
| Sr-97*292.32 | 3 |
| Old Highway 97 | 2 |
| Sr-153*008.86 | 2 |
| Sr-155*056.00 | 2 |
| Sr-97*260.00 | 2 |
| Sr-97*267.90 | 2 |
| Sr-97*278.00 | 2 |
| Sr-97*292.30 | 2 |
ZIP 98856 at a glance
| Population | 2,920 |
| Density | 2 per sq mi |
| Median household income | $70,089 |
| Median home value | $478,306 |
| Home ownership | 75% |
Waste facilities and haulers nearby
Historical data: truck crashes in Okanogan 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 | 10 | — | 1.1 |
| 2000s | 10 | -8% | 0.8 |
| 2010s | 8 | -13% | 0.9 |
| 2020s | 6 | -25% | 0.4 |
Reported truck crashes averaged 10 a year in the 1990s and 6 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 1.5 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 98856
How many truck crashes happen in ZIP 98856?
82 truck crashes have been reported in Okanogan County since 2015, with 8 deaths and 24 injuries.
When do most truck crashes happen in ZIP 98856?
Truck crashes in Okanogan County peak in July, with 15.9% of the year's crashes.
How many garbage truck accidents happen in ZIP 98856?
Since 2015, Okanogan County has reported 3 garbage-truck crashes, or 3.7% of its truck crashes.
How do truck crashes in ZIP 98856 compare with Washington?
Okanogan County records 15.8 truck crashes per 100,000 residents a year, against 25.8 across Washington.
How do I plan a garbage truck route in ZIP 98856?
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.