Alta, WY truck route planning & crash data
Plan safer truck routes in Alta: commercial truck and garbage truck crashes in Alta and Teton County, dangerous roads, seasonality and route safety data for fleets. Patterns use Teton County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 108 truck crashes since 2015.
Deadliest roads
How Teton County compares with Wyoming
Teton County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Teton County stands out
Full comparison
| Measure (2015–2025) | Teton County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 41.0 | 187.2 | 49.7 | 78% below the state |
| Deaths per 100 crashes | 2.9 | 4.5 | 3.4 | 36% below the state |
| Injuries per crash | 0.29 | 0.43 | 0.49 | 33% below the state |
| Garbage-truck share | 1.9% | 0.4% | 2.3% | 4.7× the state |
| On snow, slush or ice | 33.3% | 45.1% | 6.2% | 26% below the state |
| Morning rush (6–10 am) | 18.1% | 23.4% | 23.7% | 23% below the state |
| In rain, sleet or snow | 24.8% | 25.0% | 13.8% | same |
| Winter months (Nov–Mar) | 43.8% | 59.3% | 41.9% | 26% below the state |
| After dark | 25.7% | 32.8% | 24.8% | 21% below the state |
Compared with Wyoming, Teton County is lower on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. Where it is higher: garbage-truck share.
What stands out in Teton County: 1 in 53 garbage-truck share of crashes is 1.9%, against 0.4% for Wyoming.
Overview
Police reported 108 crashes involving commercial trucks in Teton County since 2015: 35 people were injured and 5 were killed.
That averages about one truck crash every 38 days in fully reported years.
Alta had 1 reported truck crash since 2015, too few for reliable patterns, so the charts and findings on this page use Teton County numbers.
When crashes happen
Truck crashes peak in February (13.9% of the year) and are lowest in March (1.9%).
Winter months (Nov–Mar) carry 43.8% of truck crashes, vs 59.3% for Wyoming.
The busiest hour is 1–2 pm, with 9.3% of truck crashes.
Road surface: 33.3% of truck crashes were on snow, slush or ice (Wyoming: 45.1%).
Where crashes happen
Fatal large-truck crashes within 10 miles of Alta since 2015 were spread across roads: SR-33 (1).
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 1.9%, compared with 0.4% in Wyoming.
Route planning tips for Alta fleets
- Build extra time into February routes: it has the most truck crashes here.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Teton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-33 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Teton County) |
|---|---|
| Wy 22 Mp 7.5 | 4 |
| Us 26 Mp 145.99 | 2 |
| Wy 22 Mp 5.59 | 2 |
| Wy 22 Mp 7.41 | 2 |
| Wy 22 Mp 7.42 | 2 |
| Wy 22 Mp 7.47 | 2 |
| Airport Road | 1 |
| Alley & Cache St | 1 |
Alta at a glance
| Land area | 8.3 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Teton 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 | 8 | — | 0.1 |
| 2000s | 8 | +1% | 0.8 |
| 2010s | 8 | +0% | 0.5 |
| 2020s | 10 | +26% | 0.6 |
Reported truck crashes averaged 8 a year in the 1990s and 10 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Alta
How common are truck crashes in Alta?
108 truck crashes have been reported in Teton County since 2015, with 5 deaths and 35 injuries.
When do most truck crashes happen in Alta?
Truck crashes in Teton County peak in February, with 13.9% of the year's crashes.
How many garbage truck accidents happen in Alta?
Garbage trucks were involved in 2 reported crashes in Teton County since 2015 (1.9% of truck crashes).
How do truck crashes in Alta compare with Wyoming?
Teton County records 41.0 truck crashes per 100,000 residents a year, against 187.2 across Wyoming.
How can I plan a safer truck route in Alta?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.