ZIP 66937 (Clifton, KS) truck route planning & crash data
Plan safer truck routes around ZIP 66937: commercial truck and garbage truck crashes here and in Washington 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 of 71 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Washington County compares with Kansas
Washington County against Kansas and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Washington County stands out
Full comparison
| Measure (2015–2025) | Washington County | Kansas | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 112.6 | 61.4 | 49.7 | 1.8× the state |
| Deaths per 100 crashes | 8.7 | 4.8 | 3.4 | 1.8× the state |
| Injuries per crash | 0.38 | 0.32 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.0% | 2.1% | 2.3% | 100% below the state |
| On snow, slush or ice | 4.3% | 9.3% | 6.2% | 53% below the state |
| Morning rush (6–10 am) | 20.3% | 23.1% | 23.7% | 12% below the state |
| In rain, sleet or snow | 5.8% | 15.2% | 13.8% | 62% below the state |
| Winter months (Nov–Mar) | 27.5% | 42.2% | 41.9% | 35% below the state |
| After dark | 17.4% | 23.2% | 24.8% | 25% below the state |
Washington County has lower values than Kansas for garbage-truck share, on snow, slush or ice and morning rush (6–10 am). Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Washington County at a glance: July the month with the most truck crashes: 21.1% of the year's total.
Overview
Police reported 71 crashes involving commercial trucks in Washington County since 2015: 27 people were injured and 7 were killed.
Across the years with complete reporting, that is roughly one truck crash every 58 days.
When crashes happen
Truck crashes peak in July (21.1% of the year) and are lowest in November (2.8%).
Winter months (Nov–Mar) carry 27.5% of truck crashes, vs 42.2% for Kansas.
By time of day, 12–1 pm stands out with 12.7% of truck crashes.
4.3% of truck crashes here happened on snow, slush or ice, against 9.3% across Kansas.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of ZIP 66937.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Washington County since 2015.
Route planning tips for ZIP 66937 fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Washington County.
- 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 Washington 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 (Washington County) |
|---|---|
| Upland | 4 |
| 22Nd | 2 |
| 27Th | 2 |
| 29Th | 1 |
| 2Nd | 1 |
| 5Th | 1 |
| 6Th | 1 |
| Gypsum | 1 |
ZIP 66937 at a glance
| Population | 691 |
| Density | 2 per sq mi |
| Median household income | $63,456 |
| Median home value | $91,281 |
| Home ownership | 85% |
Waste facilities and haulers nearby
Historical data: truck crashes in Washington 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 | 4 | — | 0.4 |
| 2000s | 4 | +7% | 0.5 |
| 2010s | 7 | +63% | 0.4 |
| 2020s | 6 | -12% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 4 to 6. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 66937
How common are truck crashes in ZIP 66937?
Washington County has had 71 reported truck crashes since 2015, injuring 27 people and killing 7.
Which month has the most truck crashes in ZIP 66937?
The worst month is July: 21.1% of truck crashes in Washington County happen then.
Are garbage truck crashes common in ZIP 66937?
0 crashes involving garbage or refuse trucks have been reported in Washington County since 2015, 0.0% of all truck crashes.
How does ZIP 66937 compare with Kansas for truck crashes?
The yearly rate is 112.6 truck crashes per 100,000 residents in Washington County, vs 61.4 for Kansas.
How can I plan a safer truck route in ZIP 66937?
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.