McNary, AZ truck route planning & crash data
Plan safer truck routes in McNary: commercial truck and garbage truck crashes in McNary and Navajo County, dangerous roads, seasonality and route safety data for fleets. Patterns use Navajo County numbers.
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 |
Navajo County sits below Arizona 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.
Navajo County at a glance: 6.3% share of truck crashes on snow, slush or ice (Arizona: 3.2%).
Overview
Navajo County has recorded 971 truck crashes since 2015, with 248 people injured and 87 killed.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
McNary had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Navajo County numbers.
When crashes happen
July has the most truck crashes, 10.3% of the yearly total, while April has the fewest (6.6%).
Winter months (Nov–Mar) carry 40.6% of truck crashes, vs 42.1% for Arizona.
More truck crashes happen at 2–3 pm than at any other hour (6.1%).
Road surface: 6.3% of truck crashes were on snow, slush or ice (Arizona: 3.2%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of McNary since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 4 crashes, 0.4% of the total, against 1.6% across Arizona.
Route planning tips for McNary fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Navajo County.
- With 6.3% of truck crashes on snow, slush or ice (above Arizona), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 |
McNary at a glance
| Land area | 5.7 sq mi |
| Median household income (ZIP 85935) | $73,333 |
| Median home value (ZIP 85935) | $407,474 |
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 |
In the 1990s about 12 truck crashes a year were reported; in the 2020s, about 88. Reporting coverage also changed between these periods. NHTSA counts 2.8 fatal large-truck crashes a year in 2016–19 and 6.2 a year in 2020–24.
Nearby places
Questions fleets ask about McNary
How common are truck crashes in McNary?
Since 2015, 971 crashes involving commercial trucks were reported in Navajo County (248 injured, 87 killed).
What is the worst month for truck crashes in McNary?
Truck crashes in Navajo County peak in July, with 10.3% of the year's crashes.
Are garbage truck crashes common in McNary?
Since 2015, Navajo County has reported 4 garbage-truck crashes, or 0.4% of its truck crashes.
How does McNary 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.
How do I plan a garbage truck route in McNary?
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.