Navajo Mountain, UT truck route planning & crash data
Plan safer truck routes in Navajo Mountain: commercial truck and garbage truck crashes in Navajo Mountain and San Juan County, dangerous roads, seasonality and route safety data for fleets. Patterns use San Juan County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 187 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How San Juan County compares with Utah
San Juan County against Utah and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Juan County stands out
Full comparison
| Measure (2015–2025) | San Juan County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 102.1 | 35.6 | 49.7 | 2.9× the state |
| Deaths per 100 crashes | 6.7 | 3.6 | 3.4 | 1.9× the state |
| Injuries per crash | 0.47 | 0.47 | 0.49 | same |
| Garbage-truck share | 0.6% | 1.5% | 2.3% | 60% below the state |
| On snow, slush or ice | 7.9% | 9.0% | 6.2% | 12% below the state |
| Morning rush (6–10 am) | 20.7% | 23.6% | 23.7% | 12% below the state |
| In rain, sleet or snow | 7.9% | 15.8% | 13.8% | 50% below the state |
| Winter months (Nov–Mar) | 46.3% | 43.0% | 41.9% | 1.1× the state |
| After dark | 33.5% | 24.1% | 24.8% | 1.4× the state |
Compared with Utah, San Juan County is lower on garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and winter months (nov–mar).
What stands out in San Juan County: January the month with the most truck crashes: 16.6% of the year's total.
Overview
San Juan County has recorded 187 truck crashes since 2015, with 82 people injured and 14 killed.
That averages about one truck crash every 24 days in fully reported years.
With 0 truck crashes reported in Navajo Mountain since 2015, this page uses San Juan County numbers for its patterns and comparisons.
When crashes happen
The worst month is January with 16.6% of truck crashes; the quietest is December at 4.3%.
The five winter months (November to March) hold 46.3% of truck crashes, against 43.0% across Utah.
By time of day, 3–4 pm stands out with 8.6% of truck crashes.
Road surface: 7.9% of truck crashes were on snow, slush or ice (Utah: 9.0%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Navajo Mountain since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 0.5% of the total, against 1.5% across Utah.
Route planning tips for Navajo Mountain fleets
- Review driver schedules for January, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 San Juan 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 (San Juan County) |
|---|---|
| SR-191 | 39 |
| SR-491 | 11 |
| SR-163 | 5 |
| SR-95 | 3 |
| Sr-191, At - 12 Feet P Of Sr-191 | 3 |
| Sr-191, At Mp 114 | 3 |
| Sr191 At Mm84 | 3 |
| E Center Street 450 | 2 |
Navajo Mountain at a glance
| Land area | 33.4 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in San Juan 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 | 11 | — | 0.9 |
| 2000s | 13 | +19% | 1.1 |
| 2010s | 14 | +5% | 0.7 |
| 2020s | 14 | -1% | 1.8 |
Reported truck crashes averaged 11 a year in the 1990s and 14 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Navajo Mountain
How common are truck crashes in Navajo Mountain?
San Juan County has had 187 reported truck crashes since 2015, injuring 82 people and killing 14.
Which month has the most truck crashes in Navajo Mountain?
Truck crashes in San Juan County peak in January, with 16.6% of the year's crashes.
How many garbage truck accidents happen in Navajo Mountain?
Since 2015, San Juan County has reported 1 garbage-truck crash, or 0.5% of its truck crashes.
How do truck crashes in Navajo Mountain compare with Utah?
Per 100,000 residents, San Juan County has 102.1 truck crashes a year; Utah has 35.6.
How do I plan a garbage truck route in Navajo Mountain?
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.