ZIP 86042 (Polacca, AZ) truck route planning & crash data
Plan safer truck routes around ZIP 86042: commercial truck and garbage truck crashes here and in Navajo 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 971 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Navajo County compares with Arizona
Navajo County against Arizona and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Navajo County stands out
Full comparison
| Measure (2015–2025) | Navajo County | Arizona | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 73.6 | 35.9 | 49.7 | 2.1× the state |
| Deaths per 100 crashes | 9.4 | 5.2 | 3.4 | 1.8× the state |
| Injuries per crash | 0.22 | 0.19 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.4% | 1.6% | 2.3% | 71% below the state |
| On snow, slush or ice | 6.3% | 3.2% | 6.2% | 2.0× the state |
| Morning rush (6–10 am) | 16.1% | 22.6% | 23.7% | 29% below the state |
| In rain, sleet or snow | 5.1% | 5.3% | 13.8% | same |
| Winter months (Nov–Mar) | 40.6% | 42.1% | 41.9% | same |
| After dark | 41.3% | 30.0% | 24.8% | 1.4× the state |
Compared with Arizona, Navajo County is lower on garbage-truck share and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Navajo County: 6.3% on snowy, slushy or icy roads, against 3.2% across Arizona.
Overview
Police reported 971 crashes involving commercial trucks in Navajo County since 2015: 248 people were injured and 87 were killed.
That averages about one truck crash every 5 days in fully reported years.
When crashes happen
The worst month is July with 10.3% of truck crashes; the quietest is April at 6.6%.
Winter months (Nov–Mar) carry 40.6% of truck crashes, vs 42.1% for Arizona.
By time of day, 2–3 pm stands out with 6.1% of truck crashes.
6.3% of truck crashes here happened on snow, slush or ice, against 3.2% across Arizona.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of ZIP 86042.
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 0.4%, compared with 1.6% in Arizona.
Route planning tips for ZIP 86042 fleets
- Review driver schedules for July, the month with the most truck crashes.
- 6.3% of truck crashes were on snow, slush or ice, above Arizona; plan winter equipment checks before the season.
- 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 Navajo 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 (Navajo County) |
|---|---|
| I-40 Noncard@M257 | 11 |
| I-40 Noncard@M284 | 10 |
| I-40 Noncard@M255 | 9 |
| I-40 Noncard@M271 | 8 |
| I-40 Noncard@M288 | 7 |
| I-40 Noncard@M258 | 6 |
| I-40 Noncard@M279 | 6 |
| I-40 Noncard@M282 | 6 |
ZIP 86042 at a glance
| Population | 2,019 |
| Density | 13 per sq mi |
| Median household income | $69,940 |
| Home ownership | 55% |
Waste facilities and haulers nearby
Historical data: truck crashes in Navajo 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 | 12 | — | 2.7 |
| 2000s | 42 | +265% | 3.5 |
| 2010s | 36 | -14% | 2.3 |
| 2020s | 88 | +143% | 6.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 88. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 2.8 a year in 2016–19 and 6.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 86042
How common are truck crashes in ZIP 86042?
Navajo County has had 971 reported truck crashes since 2015, injuring 248 people and killing 87.
What is the worst month for truck crashes in ZIP 86042?
Truck crashes in Navajo County peak in July, with 10.3% of the year's crashes.
How many garbage truck accidents happen in ZIP 86042?
Since 2015, Navajo County has reported 4 garbage-truck crashes, or 0.4% of its truck crashes.
How does ZIP 86042 compare with Arizona for truck crashes?
The yearly rate is 73.6 truck crashes per 100,000 residents in Navajo County, vs 35.9 for Arizona.
What is the best way to plan truck routes in ZIP 86042?
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.