Sweetwater County, WY truck route planning & crash data
Plan safer truck routes in Sweetwater 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 2,596 truck crashes since 2015.
Deadliest roads
How Sweetwater County compares with Wyoming
Sweetwater County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sweetwater County stands out
Full comparison
| Measure (2015–2025) | Sweetwater County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 546.5 | 187.2 | 49.7 | 2.9× the state |
| Deaths per 100 crashes | 8.1 | 4.5 | 3.4 | 1.8× the state |
| Injuries per crash | 0.59 | 0.43 | 0.49 | 1.4× the state |
| Garbage-truck share | 0.0% | 0.4% | 2.3% | 100% below the state |
| On snow, slush or ice | 53.7% | 45.1% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 23.1% | 23.4% | 23.7% | same |
| In rain, sleet or snow | 30.2% | 25.0% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 61.3% | 59.3% | 41.9% | same |
| After dark | 36.7% | 32.8% | 24.8% | 1.1× the state |
Sweetwater County sits below Wyoming on garbage-truck share. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Sweetwater County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 0.4% in Wyoming.
Overview
Since 2015, 2,596 crashes involving commercial trucks have been reported in Sweetwater County. They injured 1,504 people and killed 206.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
When crashes happen
Truck crashes peak in March (14.6% of the year) and are lowest in May (3.5%).
The five winter months (November to March) hold 61.3% of truck crashes, against 59.3% across Wyoming.
The busiest hour is 3–4 pm, with 8.4% of truck crashes.
Snow, slush or ice was on the road in 53.7% of truck crashes, compared with 45.1% in Wyoming.
Where crashes happen
I-80 leads in Sweetwater County with 38 fatal crashes involving a large truck since 2015. It is followed by US-191 (3), SR-530 (2) and Blm-4409 (1).
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Sweetwater County since 2015.
Route planning tips for Sweetwater County fleets
- Review driver schedules for March, the month with the most truck crashes.
- Where you can, review stops along I-80; it has the most fatal large-truck crashes nearby.
- 53.7% of truck crashes were on snow, slush or ice, above Wyoming; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Sweetwater County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Sweetwater County) |
|---|---|
| I-80 | 38 |
| US-191 | 3 |
| SR-530 | 2 |
| Blm-4409 | 1 |
| CR-15 | 1 |
| Gateway Blvd | 1 |
| SR-374 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sweetwater County) |
|---|---|
| I-80 Mp 184.41 | 39 |
| I-80 Mp 72 | 12 |
| I-80 Mp 90.26 | 10 |
| I-80 Mp 142 | 9 |
| I-80 Mp 143 | 9 |
| I-80 Mp 156 | 8 |
| I-80 Mp 182.83 | 8 |
| I-80 Mp 85 | 8 |
Sweetwater County at a glance
| Population | 41,273 |
| Land area | 10,427.0 sq mi |
| Density | 4 per sq mi |
| Median household income (ZIP average) | $75,707 |
Waste facilities and haulers nearby
Historical data: truck crashes in Sweetwater 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 | 151 | — | 3.6 |
| 2000s | 220 | +46% | 4.4 |
| 2010s | 194 | -12% | 2.8 |
| 2020s | 245 | +27% | 5.2 |
In the 1990s about 151 truck crashes a year were reported; in the 2020s, about 245. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 4.2 a year in 2016–19 and 5.2 a year in 2020–24.
Cities, towns & communities in Sweetwater County
ZIP codes in Sweetwater County
Nearby counties
Questions fleets ask about Sweetwater County
How many truck accidents are there in Sweetwater County?
Since 2015, 2,596 crashes involving commercial trucks were reported in Sweetwater County (1,504 injured, 206 killed).
Which road has the most fatal truck crashes in Sweetwater County?
I-80 had 38 fatal crashes involving a large truck in Sweetwater County since 2015, more than any other road.
What is the worst month for truck crashes in Sweetwater County?
Truck crashes in Sweetwater County peak in March, with 14.6% of the year's crashes.
Are garbage truck crashes common in Sweetwater County?
0 crashes involving garbage or refuse trucks have been reported in Sweetwater County since 2015, 0.0% of all truck crashes.
How do truck crashes in Sweetwater County compare with Wyoming?
Per 100,000 residents, Sweetwater County has 546.5 truck crashes a year; Wyoming has 187.2.
How can I plan a safer truck route in Sweetwater County?
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.