Supai, AZ truck route planning & crash data
Plan safer truck routes in Supai: commercial truck and garbage truck crashes in Supai and Coconino County, dangerous roads, seasonality and route safety data for fleets. Patterns use Coconino County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
8 of 2,573 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Coconino County compares with Arizona
Coconino County against Arizona and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Coconino County stands out
Full comparison
| Measure (2015–2025) | Coconino County | Arizona | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 151.7 | 35.9 | 49.7 | 4.2× the state |
| Deaths per 100 crashes | 6.4 | 5.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.22 | 0.19 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.3% | 1.6% | 2.3% | 82% below the state |
| On snow, slush or ice | 24.6% | 3.2% | 6.2% | 7.7× the state |
| Morning rush (6–10 am) | 17.6% | 22.6% | 23.7% | 22% below the state |
| In rain, sleet or snow | 18.1% | 5.3% | 13.8% | 3.4× the state |
| Winter months (Nov–Mar) | 47.5% | 42.1% | 41.9% | 1.1× the state |
| After dark | 41.6% | 30.0% | 24.8% | 1.4× the state |
Coconino County sits below Arizona on garbage-truck share and morning rush (6–10 am). It runs above Arizona on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Coconino County: 24.6% of truck crashes happened on snow, slush or ice, vs 3.2% in Arizona.
Overview
Coconino County has recorded 2,573 truck crashes since 2015, with 600 people injured and 157 killed.
That averages about one truck crash every 2 days in fully reported years.
Supai had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Coconino County numbers.
When crashes happen
The worst month is March with 10.8% of truck crashes; the quietest is May at 6.5%.
November through March accounts for 47.5% of truck crashes here, compared with 42.1% in Arizona.
By time of day, 3–4 pm stands out with 6.3% of truck crashes.
24.6% of truck crashes here happened on snow, slush or ice, against 3.2% across Arizona.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of Supai since 2015.
Garbage & waste trucks
Garbage trucks account for 8 of the truck crashes here, or 0.3%, compared with 1.6% in Arizona.
Route planning tips for Supai fleets
- Plan March schedules with more margin; it is the worst month for truck crashes in Coconino County.
- With 24.6% of truck crashes on snow, slush or ice (above Arizona), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Coconino 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 (Coconino County) |
|---|---|
| I-40 Noncard@M159 | 26 |
| I-40 Noncard@M158 | 22 |
| I-40 Noncard@M195 | 15 |
| I-40 Noncard@M155 | 12 |
| I-40 Noncard@M165 | 12 |
| I-40 Noncard@M185 | 12 |
| I-40 Noncard@M225 | 12 |
| I-40 Noncard@M172 | 11 |
Supai at a glance
| Land area | 1.7 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Coconino 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 | 49 | — | 4.0 |
| 2000s | 93 | +88% | 4.7 |
| 2010s | 98 | +5% | 5.5 |
| 2020s | 241 | +148% | 9.4 |
In the 1990s about 49 truck crashes a year were reported; in the 2020s, about 241. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 6.5 a year in 2016–19 and 9.4 a year in 2020–24.
Nearby places
Questions fleets ask about Supai
How common are truck crashes in Supai?
2,573 truck crashes have been reported in Coconino County since 2015, with 157 deaths and 600 injuries.
When do most truck crashes happen in Supai?
The worst month is March: 10.8% of truck crashes in Coconino County happen then.
How many garbage truck crashes are there in Supai?
Since 2015, Coconino County has reported 8 garbage-truck crashes, or 0.3% of its truck crashes.
What is the truck crash rate in Supai compared with Arizona?
Coconino County records 151.7 truck crashes per 100,000 residents a year, against 35.9 across Arizona.
How can I plan a safer truck route in Supai?
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.