South Park, WY truck route planning & crash data
Plan safer truck routes in South Park: commercial truck and garbage truck crashes in South Park 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. It runs above Wyoming on garbage-truck share.
Teton County at a glance: 1 in 53 of truck crashes here involve garbage trucks: 1.9%, vs 0.4% in Wyoming.
Overview
Teton County has recorded 108 truck crashes since 2015, with 35 people injured and 5 killed.
In complete reporting years that works out to about one truck crash every 38 days.
South Park had 0 reported truck crashes 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.
By time of day, 1–2 pm stands out with 9.3% of truck crashes.
33.3% of truck crashes here happened on snow, slush or ice, against 45.1% across Wyoming.
Where crashes happen
Fatal large-truck crashes within 10 miles of South Park since 2015 were spread across roads: SR-22 (1) and US-189 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.9% of the total, against 0.4% across Wyoming.
Route planning tips for South Park fleets
- Build extra time into February routes: it has the most truck crashes here.
- 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 Teton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-22 | 1 |
| US-189 | 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 |
South Park at a glance
| Land area | 11.4 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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 8 to 10. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about South Park
How many truck crashes happen in South Park?
108 truck crashes have been reported in Teton County since 2015, with 5 deaths and 35 injuries.
What is the worst month for truck crashes in South Park?
Truck crashes in Teton County peak in February, with 13.9% of the year's crashes.
How many garbage truck crashes are there in South Park?
2 crashes involving garbage or refuse trucks have been reported in Teton County since 2015, 1.9% of all truck crashes.
How does South Park compare with Wyoming for truck crashes?
The yearly rate is 41.0 truck crashes per 100,000 residents in Teton County, vs 187.2 for Wyoming.
What is the best way to plan truck routes in South Park?
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.