ZIP 66944 (Haddam, KS) truck route planning & crash data
Plan safer truck routes around ZIP 66944: 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
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.
What stands out in Washington County: July the month with the most truck crashes: 21.1% of the year's total.
Overview
Since 2015, 71 crashes involving commercial trucks have been reported in Washington County. They injured 27 people and killed 7.
That averages about one truck crash every 58 days in fully reported years.
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.
The busiest hour is 12–1 pm, with 12.7% of truck crashes.
Road surface: 4.3% of truck crashes were on snow, slush or ice (Kansas: 9.3%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 66944 since 2015 were spread across roads: SR-15 (1) and US-36 (1).
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Washington County.
Route planning tips for ZIP 66944 fleets
- Build extra time into July routes: it has the most truck crashes here.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-15 | 1 |
| US-36 | 1 |
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 66944 at a glance
| Population | 304 |
| Density | 1 per sq mi |
| Median household income | $75,625 |
| Home ownership | 97% |
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 |
In the 1990s about 4 truck crashes a year were reported; in the 2020s, about 6. Reporting coverage also changed between these periods. 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 66944
How many truck accidents are there in ZIP 66944?
Since 2015, 71 crashes involving commercial trucks were reported in Washington County (27 injured, 7 killed).
When do most truck crashes happen in ZIP 66944?
Truck crashes in Washington County peak in July, with 21.1% of the year's crashes.
How many garbage truck accidents happen in ZIP 66944?
Garbage trucks were involved in 0 reported crashes in Washington County since 2015 (0.0% of truck crashes).
How do truck crashes in ZIP 66944 compare with Kansas?
Per 100,000 residents, Washington County has 112.6 truck crashes a year; Kansas has 61.4.
What is the best way to plan truck routes in ZIP 66944?
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.