Duncan, AZ truck route planning & crash data
Plan safer truck routes in Duncan: commercial truck and garbage truck crashes in Duncan and Greenlee County, dangerous roads, seasonality and route safety data for fleets. Patterns use Greenlee County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 27 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Greenlee County compares with Arizona
Greenlee County against Arizona and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Greenlee County stands out
Full comparison
| Measure (2015–2025) | Greenlee County | Arizona | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 23.2 | 35.9 | 49.7 | 35% below the state |
| Deaths per 100 crashes | 4.2 | 5.2 | 3.4 | 19% below the state |
| Injuries per crash | 0.08 | 0.19 | 0.49 | 58% below the state |
| Garbage-truck share | 4.2% | 1.6% | 2.3% | 2.7× the state |
| On snow, slush or ice | 4.2% | 3.2% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 20.8% | 22.6% | 23.7% | 8% below the state |
| In rain, sleet or snow | 8.3% | 5.3% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 37.5% | 42.1% | 41.9% | 11% below the state |
| After dark | 12.5% | 30.0% | 24.8% | 58% below the state |
Greenlee County has lower values than Arizona for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher garbage-truck share, on snow, slush or ice and in rain, sleet or snow.
What stands out in Greenlee County: 1 in 24 of truck crashes here involve garbage trucks: 4.2%, vs 1.6% in Arizona.
Overview
Greenlee County has recorded 27 truck crashes since 2015, with 3 people injured and 1 killed.
That averages about one truck crash every 167 days in fully reported years.
Only 3 truck crashes were reported in Duncan since 2015; patterns below come from Greenlee County as a whole.
When crashes happen
The worst month is June with 14.8% of truck crashes; the quietest is May at 0.0%.
November through March accounts for 37.5% of truck crashes here, compared with 42.1% in Arizona.
By time of day, 11 am–12 pm stands out with 11.1% of truck crashes.
Snow, slush or ice was on the road in 4.2% of truck crashes, compared with 3.2% in Arizona.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Duncan since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 3.7%, compared with 1.6% in Arizona.
Route planning tips for Duncan fleets
- Build extra time into June routes: it has the most truck crashes here.
- Icy and snowy roads show up in 4.2% of truck crashes here, more than Arizona; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Greenlee 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 (Greenlee County) |
|---|---|
| Us-191@M156 | 2 |
| Sr 75 At Mp 396 | 1 |
| Sr-75@M388 | 1 |
| Sr-75@M389 | 1 |
| Sr-78@M159 | 1 |
| State Route 75 Mp 385 | 1 |
| Us Highway 191 @Sr-75 | 1 |
| Us Highway 191 At Mp 158 | 1 |
Duncan at a glance
| Population | 671 |
| Land area | 2.2 sq mi |
| Density | 312 per sq mi |
| Median household income (ZIP 85534) | $76,250 |
| Median home value (ZIP 85534) | $157,026 |
Waste facilities and haulers nearby
Historical data: truck crashes in Greenlee 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 | 1 | — | 0.4 |
| 2000s | 2 | +110% | 0.2 |
| 2010s | 1 | -44% | 0.3 |
| 2020s | 2 | +133% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 2. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Duncan
How common are truck crashes in Duncan?
27 truck crashes have been reported in Greenlee County since 2015, with 1 deaths and 3 injuries.
Which month has the most truck crashes in Duncan?
Truck crashes in Greenlee County peak in June, with 14.8% of the year's crashes.
How many garbage truck accidents happen in Duncan?
1 crash involving garbage or refuse trucks have been reported in Greenlee County since 2015, 3.7% of all truck crashes.
How does Duncan compare with Arizona for truck crashes?
The yearly rate is 23.2 truck crashes per 100,000 residents in Greenlee County, vs 35.9 for Arizona.
How do I plan a garbage truck route in Duncan?
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.