Oljato-Monument Valley, AZ truck route planning & crash data
Plan safer truck routes in Oljato-Monument Valley: commercial truck and garbage truck crashes in Oljato-Monument Valley 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). It runs above Arizona on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Navajo County: 6.3% of truck crashes happened on snow, slush or ice, vs 3.2% in Arizona.
Overview
Police reported 971 crashes involving commercial trucks in Navajo County since 2015: 248 people were injured and 87 were killed.
In complete reporting years that works out to about one truck crash every 5 days.
Oljato-Monument Valley 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
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.
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 Oljato-Monument Valley.
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 0.4% share (Arizona: 1.6%).
Route planning tips for Oljato-Monument Valley 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.
- 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 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 |
Oljato-Monument Valley at a glance
| Land area | 12.3 sq mi |
| Median household income (ZIP 86033) | $40,313 |
| Median home value (ZIP 86033) | $36,321 |
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. 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 Oljato-Monument Valley
How many truck accidents are there in Oljato-Monument Valley?
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 Oljato-Monument Valley?
July has the most truck crashes in Navajo County, 10.3% of the yearly total.
How many garbage truck accidents happen in Oljato-Monument Valley?
4 crashes involving garbage or refuse trucks have been reported in Navajo County since 2015, 0.4% of all truck crashes.
What is the truck crash rate in Oljato-Monument Valley compared with Arizona?
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 Oljato-Monument Valley?
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.