Roslyn, WA truck route planning & crash data
Plan safer truck routes in Roslyn: commercial truck and garbage truck crashes in Roslyn and Kittitas County, dangerous roads, seasonality and route safety data for fleets. Patterns use Kittitas County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5 of 1,375 truck crashes since 2015.
Deadliest roads
How Kittitas County compares with Washington
Kittitas County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Kittitas County stands out
Full comparison
| Measure (2015–2025) | Kittitas County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 248.4 | 25.8 | 49.7 | 9.6× the state |
| Deaths per 100 crashes | 2.0 | 3.4 | 3.4 | 41% below the state |
| Injuries per crash | 0.10 | 0.18 | 0.49 | 44% below the state |
| Garbage-truck share | 0.4% | 2.2% | 2.3% | 83% below the state |
| On snow, slush or ice | 35.2% | 9.7% | 6.2% | 3.6× the state |
| Morning rush (6–10 am) | 21.7% | 24.8% | 23.7% | 12% below the state |
| In rain, sleet or snow | 32.8% | 20.2% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 55.1% | 43.8% | 41.9% | 1.3× the state |
| After dark | 33.5% | 25.2% | 24.8% | 1.3× the state |
Compared with Washington, Kittitas County is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above Washington on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
What stands out in Kittitas County: 35.2% on snowy, slushy or icy roads, against 9.7% across Washington.
Overview
Police reported 1,375 crashes involving commercial trucks in Kittitas County since 2015: 142 people were injured and 28 were killed.
In complete reporting years that works out to about one truck crash every 3 days.
Roslyn had 16 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Kittitas County numbers.
When crashes happen
December has the most truck crashes, 15.0% of the yearly total, while April has the fewest (5.0%).
The five winter months (November to March) hold 55.1% of truck crashes, against 43.8% across Washington.
More truck crashes happen at 5–6 am than at any other hour (6.8%).
35.2% of truck crashes here happened on snow, slush or ice, against 9.7% across Washington.
Where crashes happen
The deadliest road for trucks within 10 miles of Roslyn is I-90, with 5 fatal large-truck crashes since 2015.
Garbage & waste trucks
5 crashes involved a garbage or refuse truck, a 0.4% share (Washington: 2.2%).
Route planning tips for Roslyn fleets
- Review driver schedules for December, the month with the most truck crashes.
- Look at alternatives to I-90 at busy times: it leads this area in fatal truck crashes.
- Icy and snowy roads show up in 35.2% of truck crashes here, more than Washington; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Kittitas County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 5 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Kittitas County) |
|---|---|
| Sr-10*103.60 | 5 |
| Sr-97*163.20 | 4 |
| I-90 Mp 114.90 | 3 |
| Sr-97*150.00 | 3 |
| Sr-97*153.00 | 3 |
| Sr-97*163.00 | 3 |
| Sr-97*165.00 | 3 |
| Canyon Rd Blk 7100 | 2 |
Roslyn at a glance
| Population | 960 |
| Land area | 4.4 sq mi |
| Density | 219 per sq mi |
| Median household income (ZIP 98925) | $97,250 |
| Median home value (ZIP 98925) | $706,780 |
Waste facilities and haulers nearby
Historical data: truck crashes in Kittitas 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 | 71 | — | 2.0 |
| 2000s | 72 | +2% | 1.5 |
| 2010s | 108 | +49% | 1.5 |
| 2020s | 119 | +11% | 1.6 |
In the 1990s about 71 truck crashes a year were reported; in the 2020s, about 119. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 2.8 a year in 2016–19 and 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Roslyn
How many truck accidents are there in Roslyn?
1,375 truck crashes have been reported in Kittitas County since 2015, with 28 deaths and 142 injuries.
What is the most dangerous road for trucks in Roslyn?
NHTSA data shows I-90 with 5 fatal large-truck crashes within 10 miles of Roslyn since 2015, the highest of any road.
What is the worst month for truck crashes in Roslyn?
The worst month is December: 15.0% of truck crashes in Kittitas County happen then.
How many garbage truck accidents happen in Roslyn?
Garbage trucks were involved in 5 reported crashes in Kittitas County since 2015 (0.4% of truck crashes).
How does Roslyn compare with Washington for truck crashes?
Per 100,000 residents, Kittitas County has 248.4 truck crashes a year; Washington has 25.8.
What is the best way to plan truck routes in Roslyn?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.