Marrowstone, WA truck route planning & crash data
Plan safer truck routes in Marrowstone: commercial truck and garbage truck crashes in Marrowstone and Jefferson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Jefferson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 136 truck crashes since 2015.
Deadliest roads
How Jefferson County compares with Washington
Jefferson County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 34.5 | 25.8 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 4.7 | 3.4 | 3.4 | 1.4× the state |
| Injuries per crash | 0.32 | 0.18 | 0.49 | 1.8× the state |
| Garbage-truck share | 2.3% | 2.2% | 2.3% | same |
| On snow, slush or ice | 3.9% | 9.7% | 6.2% | 60% below the state |
| Morning rush (6–10 am) | 31.8% | 24.8% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 21.7% | 20.2% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 43.4% | 43.8% | 41.9% | same |
| After dark | 17.8% | 25.2% | 24.8% | 29% below the state |
Jefferson County has lower values than Washington for on snow, slush or ice and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Jefferson County: February the month with the most truck crashes: 15.4% of the year's total.
Overview
Since 2015, 136 crashes involving commercial trucks have been reported in Jefferson County. They injured 43 people and killed 6.
Across the years with complete reporting, that is roughly one truck crash every 31 days.
With 0 truck crashes reported in Marrowstone since 2015, this page uses Jefferson County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in February (15.4% of the year) and are lowest in November (3.7%).
The five winter months (November to March) hold 43.4% of truck crashes, against 43.8% across Washington.
By time of day, 9–10 am stands out with 12.5% of truck crashes.
Snow, slush or ice was on the road in 3.9% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
Within this area, SR-20 had the most fatal crashes involving a large truck since 2015 (2). Next come SR-19 (1), SR-525 (1) and US-101 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 2.2% of the total, against 2.2% across Washington.
Route planning tips for Marrowstone fleets
- Build extra time into February routes: it has the most truck crashes here.
- Look at alternatives to SR-20 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 31.8% of truck crashes fall between 6 and 10 am, higher than Washington.
- 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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-20 | 2 |
| SR-19 | 1 |
| SR-525 | 1 |
| US-101 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| Sr-104*008.00 | 3 |
| Sr-20*006.25 | 3 |
| Sr-101*176.00 | 2 |
| Sr-101*280.00 | 2 |
| Sr-101*293.10 | 2 |
| Sr-101*301.00 | 2 |
| Sr-101*311.00 | 2 |
| Sr-104*013.76 | 2 |
Marrowstone at a glance
| Land area | 6.3 sq mi |
| Median household income (ZIP 98358) | $110,368 |
| Median home value (ZIP 98358) | $649,723 |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 6 | — | 0.7 |
| 2000s | 7 | +27% | 0.9 |
| 2010s | 9 | +28% | 0.5 |
| 2020s | 12 | +27% | 1.0 |
In the 1990s about 6 truck crashes a year were reported; in the 2020s, about 12. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Marrowstone
How many truck crashes happen in Marrowstone?
Since 2015, 136 crashes involving commercial trucks were reported in Jefferson County (43 injured, 6 killed).
Where do fatal truck crashes happen most in Marrowstone?
Since 2015, SR-20 has had the most fatal large-truck crashes within 10 miles of Marrowstone: 2.
What is the worst month for truck crashes in Marrowstone?
February has the most truck crashes in Jefferson County, 15.4% of the yearly total.
How many garbage truck crashes are there in Marrowstone?
Garbage trucks were involved in 3 reported crashes in Jefferson County since 2015 (2.2% of truck crashes).
How do truck crashes in Marrowstone compare with Washington?
Per 100,000 residents, Jefferson County has 34.5 truck crashes a year; Washington has 25.8.
What is the best way to plan truck routes in Marrowstone?
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.