Boulder, WY truck route planning & crash data
Plan safer truck routes in Boulder: commercial truck and garbage truck crashes in Boulder and Sublette County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sublette County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 103 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Sublette County compares with Wyoming
Sublette County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sublette County stands out
Full comparison
| Measure (2015–2025) | Sublette County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 104.4 | 187.2 | 49.7 | 44% below the state |
| Deaths per 100 crashes | 1.0 | 4.5 | 3.4 | 78% below the state |
| Injuries per crash | 0.45 | 0.43 | 0.49 | same |
| Garbage-truck share | 1.0% | 0.4% | 2.3% | 2.4× the state |
| On snow, slush or ice | 23.3% | 45.1% | 6.2% | 48% below the state |
| Morning rush (6–10 am) | 22.3% | 23.4% | 23.7% | same |
| In rain, sleet or snow | 13.6% | 25.0% | 13.8% | 46% below the state |
| Winter months (Nov–Mar) | 37.9% | 59.3% | 41.9% | 36% below the state |
| After dark | 33.0% | 32.8% | 24.8% | same |
Sublette County sits below Wyoming on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: garbage-truck share.
The headline for Sublette County: 1 in 103 crashes involve a garbage truck (1 since 2015), vs 0.4% across Wyoming.
Overview
Since 2015, 103 crashes involving commercial trucks have been reported in Sublette County. They injured 46 people and killed 1.
That averages about one truck crash every 39 days in fully reported years.
Boulder had 19 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Sublette County numbers.
When crashes happen
The worst month is October with 18.4% of truck crashes; the quietest is May at 1.9%.
Winter months (Nov–Mar) carry 37.9% of truck crashes, vs 59.3% for Wyoming.
The busiest hour is 7–8 am, with 9.7% of truck crashes.
Snow, slush or ice was on the road in 23.3% of truck crashes, compared with 45.1% in Wyoming.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Boulder.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 1.0% share (Wyoming: 0.4%).
Route planning tips for Boulder fleets
- Review driver schedules for October, 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 Sublette 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 (Sublette County) |
|---|---|
| Us 189 Mp 129.8 | 2 |
| Us 189 Mp 133.75 | 2 |
| Us 189 Mp 148.9 | 2 |
| Us 189/Us 191 | 2 |
| Us 189/Us 191 Mp 133.71 | 2 |
| Us 191 Mp 65.4 | 2 |
| Us 191 Mp 67.4 | 2 |
| Us 191 Mp 82.01 | 2 |
Boulder at a glance
| Land area | 1.9 sq mi |
| Median home value (ZIP 82923) | $592,671 |
Waste facilities and haulers nearby
Historical data: truck crashes in Sublette 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 | 5 | — | 0.4 |
| 2000s | 14 | +161% | 0.4 |
| 2010s | 11 | -20% | 0.0 |
| 2020s | 8 | -30% | 0.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 8. Some of the change may reflect how crashes were reported.
Nearby places
Questions fleets ask about Boulder
How common are truck crashes in Boulder?
103 truck crashes have been reported in Sublette County since 2015, with 1 deaths and 46 injuries.
What is the worst month for truck crashes in Boulder?
The worst month is October: 18.4% of truck crashes in Sublette County happen then.
How many garbage truck accidents happen in Boulder?
Since 2015, Sublette County has reported 1 garbage-truck crash, or 1.0% of its truck crashes.
How does Boulder compare with Wyoming for truck crashes?
The yearly rate is 104.4 truck crashes per 100,000 residents in Sublette County, vs 187.2 for Wyoming.
What is the best way to plan truck routes in Boulder?
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.