ZIP 99143 (Lacrosse, WA) truck route planning & crash data
Plan safer truck routes around ZIP 99143: 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
No fatal large-truck crashes with a road name recorded here since 2015.
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 sits below Washington on garbage-truck share, in rain, sleet or snow and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Whitman County: 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.
Across the years with complete reporting, that is roughly one truck crash every 20 days.
When crashes happen
The worst month is August with 14.8% of truck crashes; the quietest is June at 4.8%.
Winter months (Nov–Mar) carry 44.4% of truck crashes, vs 43.8% for Washington.
The busiest hour is 2–3 pm, with 10.5% of truck crashes.
Snow, slush or ice was on the road in 17.2% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 99143 since 2015.
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 1.9% share (Washington: 2.2%).
Route planning tips for ZIP 99143 fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Whitman County.
- 17.2% of truck crashes were on snow, slush or ice, above Washington; plan winter equipment checks before the season.
- 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 Whitman County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
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 99143 at a glance
| Population | 585 |
| Density | 1 per sq mi |
| Median household income | $38,214 |
| Median home value | $129,004 |
| Home ownership | 85% |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 7 to 16. Some of the change may reflect how crashes were reported. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 99143
How many truck accidents are there in ZIP 99143?
Since 2015, 209 crashes involving commercial trucks were reported in Whitman County (38 injured, 11 killed).
When do most truck crashes happen in ZIP 99143?
Truck crashes in Whitman County peak in August, with 14.8% of the year's crashes.
How many garbage truck accidents happen in ZIP 99143?
4 crashes involving garbage or refuse trucks have been reported in Whitman County since 2015, 1.9% of all truck crashes.
How does ZIP 99143 compare with Washington for truck crashes?
The yearly rate is 37.2 truck crashes per 100,000 residents in Whitman County, vs 25.8 for Washington.
How can I plan a safer truck route in ZIP 99143?
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.