Seven Mile, AZ truck route planning & crash data
Plan safer truck routes in Seven Mile: commercial truck and garbage truck crashes in Seven Mile 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 |
Compared with Arizona, Navajo County is lower on garbage-truck share 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 Navajo County: 6.3% on snowy, slushy or icy roads, against 3.2% across Arizona.
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.
With 0 truck crashes reported in Seven Mile since 2015, this page uses Navajo County numbers for its patterns and comparisons.
When crashes happen
The worst month is July with 10.3% of truck crashes; the quietest is April at 6.6%.
The five winter months (November to March) hold 40.6% of truck crashes, against 42.1% across Arizona.
The busiest hour is 2–3 pm, with 6.1% of truck crashes.
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 Seven Mile 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 Seven Mile fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Navajo County.
- 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
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 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 |
Seven Mile at a glance
| Land area | 2.3 sq mi |
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. Fatal crashes involving a large truck averaged 2.8 a year in 2016–19 and 6.2 a year in 2020–24.
Nearby places
Questions fleets ask about Seven Mile
How many truck crashes happen in Seven Mile?
Since 2015, 971 crashes involving commercial trucks were reported in Navajo County (248 injured, 87 killed).
Which month has the most truck crashes in Seven Mile?
Truck crashes in Navajo County peak in July, with 10.3% of the year's crashes.
How many garbage truck accidents happen in Seven Mile?
4 crashes involving garbage or refuse trucks have been reported in Navajo County since 2015, 0.4% of all truck crashes.
How do truck crashes in Seven Mile compare with Arizona?
Navajo County records 73.6 truck crashes per 100,000 residents a year, against 35.9 across Arizona.
What is the best way to plan truck routes in Seven Mile?
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.