Shelton, WA truck route planning & crash data
Plan safer truck routes in Shelton: commercial truck and garbage truck crashes in Shelton and Mason County, dangerous roads, seasonality and route safety data for fleets. Patterns use Mason County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 135 truck crashes since 2015.
Deadliest roads
How Mason County compares with Washington
Mason County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mason County stands out
Full comparison
| Measure (2015–2025) | Mason County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 16.5 | 25.8 | 49.7 | 36% below the state |
| Deaths per 100 crashes | 8.7 | 3.4 | 3.4 | 2.6× the state |
| Injuries per crash | 0.25 | 0.18 | 0.49 | 1.4× the state |
| Garbage-truck share | 1.6% | 2.2% | 2.3% | 27% below the state |
| On snow, slush or ice | 8.7% | 9.7% | 6.2% | 10% below the state |
| Morning rush (6–10 am) | 29.4% | 24.8% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 20.6% | 20.2% | 13.8% | same |
| Winter months (Nov–Mar) | 45.2% | 43.8% | 41.9% | same |
| After dark | 17.5% | 25.2% | 24.8% | 31% below the state |
Compared with Washington, Mason County is lower on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It runs above Washington on deaths per 100 crashes, injuries per crash and morning rush (6–10 am).
The headline for Mason County: 8.7 people killed per 100 truck crashes (Washington: 3.4).
Overview
Police reported 135 crashes involving commercial trucks in Mason County since 2015: 34 people were injured and 11 were killed.
Across the years with complete reporting, that is roughly one truck crash every 32 days.
Only 130 truck crashes were reported in Shelton since 2015; patterns below come from Mason County as a whole.
When crashes happen
October has the most truck crashes, 13.3% of the yearly total, while May has the fewest (3.7%).
The five winter months (November to March) hold 45.2% of truck crashes, against 43.8% across Washington.
By time of day, 11 am–12 pm stands out with 11.1% of truck crashes.
Snow, slush or ice was on the road in 8.7% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
US-101 leads within 10 miles of Shelton with 3 fatal crashes involving a large truck since 2015. Next come CR-E Pickering Rd (1), CR-W Shelton Matlock Rd (1) and SR-3 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.5% of the total, against 2.2% across Washington.
Route planning tips for Shelton fleets
- Build extra time into October routes: it has the most truck crashes here.
- Look at alternatives to US-101 at busy times: it leads this area in fatal truck crashes.
- The morning rush (6–10 am) holds 29.4% of truck crashes here, more than Washington; adjust start times where you can.
- 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 Mason County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 3 |
| CR-E Pickering Rd | 1 |
| CR-W Shelton Matlock Rd | 1 |
| SR-3 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Mason County) |
|---|---|
| Sr-101*329.00 | 3 |
| Sr-101*341.43 | 3 |
| Johns Prairie Rd Blk 1300 | 2 |
| Sr-101*319.70 | 2 |
| Sr-101*327.00 | 2 |
| Sr-101*332.00 | 2 |
| Sr-101*335.00 | 2 |
| Sr-101*340.00 | 2 |
Shelton at a glance
| Population | 10,737 |
| Land area | 6.5 sq mi |
| Density | 1,661 per sq mi |
| Median household income (ZIP 98584) | $78,610 |
| Median home value (ZIP 98584) | $389,749 |
Waste facilities and haulers nearby
Historical data: truck crashes in Mason 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 | 9 | — | 0.6 |
| 2000s | 9 | -2% | 1.0 |
| 2010s | 11 | +20% | 0.9 |
| 2020s | 12 | +16% | 1.6 |
In the 1990s about 9 truck crashes a year were reported; in the 2020s, about 12. Reporting coverage also changed between these periods. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Shelton
How many truck accidents are there in Shelton?
Mason County has had 135 reported truck crashes since 2015, injuring 34 people and killing 11.
What is the most dangerous road for trucks in Shelton?
US-101 had 3 fatal crashes involving a large truck within 10 miles of Shelton since 2015, more than any other road.
When do most truck crashes happen in Shelton?
The worst month is October: 13.3% of truck crashes in Mason County happen then.
How many garbage truck accidents happen in Shelton?
Since 2015, Mason County has reported 2 garbage-truck crashes, or 1.5% of its truck crashes.
How do truck crashes in Shelton compare with Washington?
Per 100,000 residents, Mason County has 16.5 truck crashes a year; Washington has 25.8.
What is the best way to plan truck routes in Shelton?
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.