ZIP 99017 (Lamont, WA) truck route planning & crash data
Plan safer truck routes around ZIP 99017: commercial truck and garbage truck crashes here and in Whitman 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
4 of 209 truck crashes since 2015.
Deadliest roads
How Whitman County compares with Washington
Whitman County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Whitman County stands out
Full comparison
| Measure (2015–2025) | Whitman County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 37.2 | 25.8 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 5.1 | 3.4 | 3.4 | 1.5× the state |
| Injuries per crash | 0.18 | 0.18 | 0.49 | same |
| Garbage-truck share | 2.0% | 2.2% | 2.3% | 8% below the state |
| On snow, slush or ice | 17.2% | 9.7% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 24.8% | 24.8% | 23.7% | same |
| In rain, sleet or snow | 12.1% | 20.2% | 13.8% | 40% below the state |
| Winter months (Nov–Mar) | 44.4% | 43.8% | 41.9% | same |
| After dark | 16.2% | 25.2% | 24.8% | 36% below the state |
Whitman County has lower values than Washington for garbage-truck share, in rain, sleet or snow and after dark. It runs above Washington on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
Whitman County at a glance: 17.2% on snowy, slushy or icy roads, against 9.7% across Washington.
Overview
Whitman County has recorded 209 truck crashes since 2015, with 38 people injured and 11 killed.
That averages about one truck crash every 20 days in fully reported years.
When crashes happen
Truck crashes peak in August (14.8% of the year) and are lowest in June (4.8%).
The five winter months (November to March) hold 44.4% of truck crashes, against 43.8% across Washington.
The busiest hour is 2–3 pm, with 10.5% of truck crashes.
17.2% of truck crashes here happened on snow, slush or ice, against 9.7% across Washington.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 99017 since 2015 were spread across roads: I-90 (1).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 1.9% share (Washington: 2.2%).
Route planning tips for ZIP 99017 fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Whitman County.
- Icy and snowy roads show up in 17.2% of truck crashes here, more than Washington; schedule winter checks early.
- 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 Whitman County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Whitman County) |
|---|---|
| Sr-128*001.00 | 3 |
| Sr-195*000.50 | 3 |
| Farmington Rd/Sr-27 | 2 |
| Sr-128*000.50 | 2 |
| Sr-194*003.00 | 2 |
| Sr-195*002.00 | 2 |
| Sr-195*018.00 | 2 |
| Sr-195*036.50 | 2 |
ZIP 99017 at a glance
| Population | 230 |
| Density | 1 per sq mi |
| Median household income | $58,958 |
| Median home value | $117,972 |
| Home ownership | 90% |
Waste facilities and haulers nearby
Historical data: truck crashes in Whitman 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 | 7 | — | 0.6 |
| 2000s | 14 | +93% | 0.8 |
| 2010s | 17 | +21% | 0.9 |
| 2020s | 16 | -4% | 1.0 |
Reported truck crashes averaged 7 a year in the 1990s and 16 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 1.2 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 99017
How common are truck crashes in ZIP 99017?
Whitman County has had 209 reported truck crashes since 2015, injuring 38 people and killing 11.
Which month has the most truck crashes in ZIP 99017?
The worst month is August: 14.8% of truck crashes in Whitman County happen then.
How many garbage truck crashes are there in ZIP 99017?
4 crashes involving garbage or refuse trucks have been reported in Whitman County since 2015, 1.9% of all truck crashes.
How does ZIP 99017 compare with Washington for truck crashes?
Whitman County records 37.2 truck crashes per 100,000 residents a year, against 25.8 across Washington.
What is the best way to plan truck routes in ZIP 99017?
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.