ZIP 98166 (Seattle, WA) truck route planning & crash data
Plan safer truck routes around ZIP 98166: commercial truck and garbage truck crashes here and in King County, 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
0.6 deaths per 100 garbage-truck crashes vs 2.6 for all trucks.
Deadliest roads
How King County compares with Washington
King County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where King County stands out
Full comparison
| Measure (2015–2025) | King County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 22.1 | 25.8 | 49.7 | 14% below the state |
| Deaths per 100 crashes | 2.6 | 3.4 | 3.4 | 24% below the state |
| Injuries per crash | 0.17 | 0.18 | 0.49 | same |
| Garbage-truck share | 2.9% | 2.2% | 2.3% | 1.3× the state |
| On snow, slush or ice | 4.3% | 9.7% | 6.2% | 56% below the state |
| Morning rush (6–10 am) | 24.8% | 24.8% | 23.7% | same |
| In rain, sleet or snow | 21.5% | 20.2% | 13.8% | same |
| Winter months (Nov–Mar) | 41.5% | 43.8% | 41.9% | same |
| After dark | 23.9% | 25.2% | 24.8% | same |
King County sits below Washington on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It runs above Washington on garbage-truck share.
The headline for ZIP 98166: 2.2× yearly fatal truck crashes within 10 miles of ZIP 98166: 3.5 in 2016–19, 7.6 in 2020–24.
Overview
Police reported 6,019 crashes involving commercial trucks in King County since 2015: 1,063 people were injured and 156 were killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
When crashes happen
October has the most truck crashes, 9.3% of the yearly total, while May has the fewest (7.4%).
The five winter months (November to March) hold 41.5% of truck crashes, against 43.8% across Washington.
More truck crashes happen at 12–1 pm than at any other hour (7.4%).
Snow, slush or ice was on the road in 4.3% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
I-5 leads within 10 miles of ZIP 98166 with 8 fatal crashes involving a large truck since 2015. After it: SR-181 (7), I-405 (4) and SR-99 (3).
Garbage & waste trucks
Garbage trucks account for 180 of the truck crashes here, or 3.0%, compared with 2.2% in Washington.
Their busiest month is April, with 12% of garbage-truck crashes.
They recorded 0.6 deaths per 100 crashes, against 2.6 for all trucks.
Route planning tips for ZIP 98166 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in King County.
- Look at alternatives to I-5 at busy times: it leads this area in fatal truck crashes.
- Garbage-truck crashes here peak in April; review collection routes for that month.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 King County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-5 | 8 |
| SR-181 | 7 |
| I-405 | 4 |
| SR-99 | 3 |
| SR-167 | 2 |
| SR-509 | 2 |
| SR-516 | 2 |
| 1st Ave S | 1 |
| 37th Ave S | 1 |
| Airport Way S | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (King County) |
|---|---|
| Sr-167*026.00 | 24 |
| Sr-167*024.00 | 23 |
| Sr-167*014.00 | 22 |
| Sr-18*026.30 | 19 |
| Sr-167*019.00 | 18 |
| Sr-18*002.00 | 18 |
| Sr-18*001.00 | 17 |
| Sr-18*003.00 | 16 |
ZIP 98166 at a glance
| Population | 22,082 |
| Density | 1,476 per sq mi |
| Median household income | $114,969 |
| Median home value | $824,380 |
| Home ownership | 68% |
Waste facilities and haulers nearby
Historical data: truck crashes in King 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 | 330 | — | 10.3 |
| 2000s | 344 | +4% | 8.0 |
| 2010s | 451 | +31% | 7.2 |
| 2020s | 523 | +16% | 14.6 |
Reported truck crashes averaged 330 a year in the 1990s and 523 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 10.0 a year in 2016–19 and 14.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 98166
How many truck accidents are there in ZIP 98166?
King County has had 6,019 reported truck crashes since 2015, injuring 1,063 people and killing 156.
Which road has the most fatal truck crashes in ZIP 98166?
NHTSA data shows I-5 with 8 fatal large-truck crashes within 10 miles of ZIP 98166 since 2015, the highest of any road.
Which month has the most truck crashes in ZIP 98166?
Truck crashes in King County peak in October, with 9.3% of the year's crashes.
How many garbage truck accidents happen in ZIP 98166?
Since 2015, King County has reported 180 garbage-truck crashes, or 3.0% of its truck crashes.
How does ZIP 98166 compare with Washington for truck crashes?
The yearly rate is 22.1 truck crashes per 100,000 residents in King County, vs 25.8 for Washington.
How do I plan a garbage truck route in ZIP 98166?
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.