San Juan County, CO truck route planning & crash data
Plan safer truck routes in San Juan County: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 22 truck crashes since 2015.
Deadliest roads
The headline for San Juan County: January the month with the most truck crashes: 18.2% of the year's total.
Overview
Since 2015, 22 crashes involving commercial trucks have been reported in San Juan County. They injured 10 people and killed 1.
That averages about one truck crash every 211 days in fully reported years.
When crashes happen
The worst month is January with 18.2% of truck crashes; the quietest is September at 0.0%.
The busiest hour is 12–1 pm, with 18.2% of truck crashes.
Where crashes happen
Since 2015, fatal crashes with a large truck in San Juan County happened on US-550 (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for San Juan County.
Route planning tips for San Juan County fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in San Juan County.
- 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
| Road | Fatal truck crashes since 2015 (in San Juan County) |
|---|---|
| US-550 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Juan County) |
|---|---|
| Hwy 550 At Mp 51 | 3 |
| Hwy 550 1,056 Feet N Of Mp 51 | 2 |
| Hwy 550 At Mp 68 | 2 |
| Cr 110 | 1 |
| Hghwy 550 At Mp 69 | 1 |
| Highway 550 At 54 | 1 |
| Hwy 550 .70 Miles N Of Mp 69 | 1 |
| Hwy 550 .80 Miles N Pf Mp 53 | 1 |
San Juan County at a glance
| Population | 821 |
| Land area | 387.5 sq mi |
| Density | 2 per sq mi |
| Median household income (ZIP average) | $62,317 |
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 | 3 | — | 0.0 |
| 2000s | 2 | -16% | 0.0 |
| 2010s | 2 | -27% | 0.2 |
| 2020s | 2 | +25% | 0.2 |
Reported truck crashes averaged 3 a year in the 1990s and 2 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.2 a year in 2020–24.
Cities, towns & communities in San Juan County
ZIP codes in San Juan County
Nearby counties
Questions fleets ask about San Juan County
How many truck accidents are there in San Juan County?
Since 2015, 22 crashes involving commercial trucks were reported in San Juan County (10 injured, 1 killed).
When do most truck crashes happen in San Juan County?
January has the most truck crashes in San Juan County, 18.2% of the yearly total.
How many garbage truck accidents happen in San Juan County?
0 crashes involving garbage or refuse trucks have been reported in San Juan County since 2015, 0.0% of all truck crashes.
How do I plan a garbage truck route in San Juan County?
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.