Mattawa, WA truck route planning & crash data
Plan safer truck routes in Mattawa: commercial truck and garbage truck crashes in Mattawa 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.
The headline for Kittitas County: 35.2% share of truck crashes on snow, slush or ice (Washington: 9.7%).
Overview
Police reported 1,375 crashes involving commercial trucks in Kittitas County since 2015: 142 people were injured and 28 were killed.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
With 0 truck crashes reported in Mattawa since 2015, this page uses Kittitas County numbers for its patterns and comparisons.
When crashes happen
The worst month is December with 15.0% of truck crashes; the quietest is April at 5.0%.
The five winter months (November to March) hold 55.1% of truck crashes, against 43.8% across Washington.
The busiest hour is 5–6 am, with 6.8% of truck crashes.
Snow, slush or ice was on the road in 35.2% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
SR-243 leads within 10 miles of Mattawa with 5 fatal crashes involving a large truck since 2015. It is followed by CR-ROAD R Sw (1).
Garbage & waste trucks
5 crashes involved a garbage or refuse truck, a 0.4% share (Washington: 2.2%).
Route planning tips for Mattawa fleets
- Review driver schedules for December, the month with the most truck crashes.
- Check whether your routes use SR-243, the road with the most fatal truck crashes in this area.
- With 35.2% of truck crashes on snow, slush or ice (above Washington), plan winter equipment 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) |
|---|---|
| SR-243 | 5 |
| CR-ROAD R Sw | 1 |
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 |
Mattawa at a glance
| Population | 3,784 |
| Land area | 1.0 sq mi |
| Density | 3,780 per sq mi |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 71 to 119. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 2.8 a year in 2016–19, 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Mattawa
How common are truck crashes in Mattawa?
Kittitas County has had 1,375 reported truck crashes since 2015, injuring 142 people and killing 28.
What is the most dangerous road for trucks in Mattawa?
Since 2015, SR-243 has had the most fatal large-truck crashes within 10 miles of Mattawa: 5.
What is the worst month for truck crashes in Mattawa?
Truck crashes in Kittitas County peak in December, with 15.0% of the year's crashes.
Are garbage truck crashes common in Mattawa?
5 crashes involving garbage or refuse trucks have been reported in Kittitas County since 2015, 0.4% of all truck crashes.
How does Mattawa compare with Washington for truck crashes?
Kittitas County records 248.4 truck crashes per 100,000 residents a year, against 25.8 across Washington.
How do I plan a garbage truck route in Mattawa?
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.