Bryn Mawr-Skyway, WA truck route planning & crash data
Plan safer truck routes in Bryn Mawr-Skyway: commercial truck and garbage truck crashes in Bryn Mawr-Skyway and King County, dangerous roads, seasonality and route safety data for fleets. Patterns use King County numbers.
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 Bryn Mawr-Skyway: 1.9× change in fatal truck crashes a year within 10 miles of Bryn Mawr-Skyway (4.2 → 8.0).
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.
Bryn Mawr-Skyway had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use King County numbers.
When crashes happen
The worst month is October with 9.3% of truck crashes; the quietest is May at 7.4%.
Winter months (Nov–Mar) carry 41.5% of truck crashes, vs 43.8% for Washington.
More truck crashes happen at 12–1 pm than at any other hour (7.4%).
4.3% of truck crashes here happened on snow, slush or ice, against 9.7% across Washington.
Where crashes happen
I-5 leads within 10 miles of Bryn Mawr-Skyway with 11 fatal crashes involving a large truck since 2015. After it: SR-181 (7), I-405 (4) and SR-99 (3).
Garbage & waste trucks
180 crashes involved a garbage or refuse truck, a 3.0% share (Washington: 2.2%).
Their busiest month is April, with 12% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 0.6, vs 2.6 for all truck crashes.
Route planning tips for Bryn Mawr-Skyway fleets
- Review driver schedules for October, the month with the most truck crashes.
- Look at alternatives to I-5 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: April is the peak month for garbage-truck crashes in King County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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 | 11 |
| SR-181 | 7 |
| I-405 | 4 |
| SR-99 | 3 |
| I-90 | 2 |
| SR-167 | 2 |
| SR-509 | 2 |
| SR-516 | 2 |
| SR-900 | 2 |
| 1st Ave 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 |
Bryn Mawr-Skyway at a glance
| Land area | 2.9 sq mi |
| Median household income (ZIP 98178) | $99,505 |
| Median home value (ZIP 98178) | $659,811 |
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. NHTSA counts 10.0 fatal large-truck crashes a year in 2016–19 and 14.6 a year in 2020–24.
Nearby places
Questions fleets ask about Bryn Mawr-Skyway
How many truck crashes happen in Bryn Mawr-Skyway?
Since 2015, 6,019 crashes involving commercial trucks were reported in King County (1,063 injured, 156 killed).
What is the most dangerous road for trucks in Bryn Mawr-Skyway?
Since 2015, I-5 has had the most fatal large-truck crashes within 10 miles of Bryn Mawr-Skyway: 11.
When do most truck crashes happen in Bryn Mawr-Skyway?
October has the most truck crashes in King County, 9.3% of the yearly total.
How many garbage truck accidents happen in Bryn Mawr-Skyway?
Since 2015, King County has reported 180 garbage-truck crashes, or 3.0% of its truck crashes.
How do truck crashes in Bryn Mawr-Skyway compare with Washington?
King County records 22.1 truck crashes per 100,000 residents a year, against 25.8 across Washington.
How do I plan a garbage truck route in Bryn Mawr-Skyway?
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.