San Juan County, WA truck route planning & crash data
Plan safer truck routes in San Juan County: commercial truck and garbage truck crashes, 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
1 of 7 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
The headline for San Juan County: #39 of 39 rank among Washington's 39 counties by yearly truck crashes.
Overview
Police reported 7 crashes involving commercial trucks in San Juan County since 2015: 4 people were injured and 0 were killed.
When crashes happen
There are too few truck crashes in San Juan County to show a reliable monthly pattern.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded in San Juan County.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 14.3% of the total, against 2.2% across Washington.
Route planning tips for San Juan County fleets
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 San Juan County
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded in San Juan County since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Juan County) |
|---|---|
| Buck Mountain Rd Blk 400 | 1 |
| Enchant Forest Road Blk 2400 | 1 |
| Mount Baker Rd/Terrill Beach | 1 |
| Olga Rd Blk 2400 | 1 |
| Olga Road Blk 7000 | 1 |
| Roche Harbor Rd Blk 6700 | 1 |
| Roche Harbor Rd Blk 7900 | 1 |
San Juan County at a glance
| Population | 18,668 |
| Land area | 173.9 sq mi |
| Density | 107 per sq mi |
| Median household income (ZIP average) | $88,786 |
Waste facilities and haulers nearby
Historical data: truck crashes in San Juan 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 | 1 | — | 0.1 |
| 2000s | 0 | -50% | 0.1 |
| 2010s | 1 | +100% | 0.0 |
| 2020s | 0 | -83% | 0.0 |
In the 1990s about 1 truck crash a year were reported; in the 2010s, about 1. Reporting coverage also changed between these periods.
Cities, towns & communities in San Juan County
ZIP codes in San Juan County
Nearby counties
Questions fleets ask about San Juan County
How many truck crashes happen in San Juan County?
7 truck crashes have been reported in San Juan County since 2015, with 0 deaths and 4 injuries.
How many garbage truck crashes are there in San Juan County?
Garbage trucks were involved in 1 reported crash in San Juan County since 2015 (14.3% of truck crashes).
What is the best way to plan truck routes in San Juan County?
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.