Summit County, UT truck route planning & crash data
Plan safer truck routes in Summit 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
4 of 600 truck crashes since 2015.
Deadliest roads
How Summit County compares with Utah
Summit County against Utah and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Summit County stands out
Full comparison
| Measure (2015–2025) | Summit County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 119.1 | 35.6 | 49.7 | 3.3× the state |
| Deaths per 100 crashes | 4.1 | 3.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.51 | 0.47 | 0.49 | 1.1× the state |
| Garbage-truck share | 0.7% | 1.5% | 2.3% | 54% below the state |
| On snow, slush or ice | 15.2% | 9.0% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 23.7% | 23.6% | 23.7% | same |
| In rain, sleet or snow | 21.9% | 15.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 48.1% | 43.0% | 41.9% | 1.1× the state |
| After dark | 32.6% | 24.1% | 24.8% | 1.4× the state |
Summit County sits below Utah on garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Summit County: 15.2% of truck crashes happened on snow, slush or ice, vs 9.0% in Utah.
Overview
Since 2015, 600 crashes involving commercial trucks have been reported in Summit County. They injured 314 people and killed 23.
Across the years with complete reporting, that is roughly one truck crash every 7 days.
When crashes happen
January has the most truck crashes, 12.7% of the yearly total, while April has the fewest (5.7%).
Winter months (Nov–Mar) carry 48.1% of truck crashes, vs 43.0% for Utah.
The busiest hour is 8–9 am, with 7.2% of truck crashes.
15.2% of truck crashes here happened on snow, slush or ice, against 9.0% across Utah.
Where crashes happen
Within this area, I-80 had the most fatal crashes involving a large truck since 2015 (6). It is followed by I-84 (1), SR-248 (1) and US-40 (1).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 0.7% share (Utah: 1.5%).
Route planning tips for Summit County fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Summit County.
- Look at alternatives to I-80 at busy times: it leads this area in fatal truck crashes.
- Icy and snowy roads show up in 15.2% of truck crashes here, more than Utah; schedule winter checks early.
- 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 Summit County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Summit County) |
|---|---|
| I-80 | 6 |
| I-84 | 1 |
| SR-248 | 1 |
| US-40 | 1 |
| West Hoytsville Road | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Summit County) |
|---|---|
| I-80 | 201 |
| SR-40 | 12 |
| I-80, At | 11 |
| I-80, At - 5 Feet - Of I-80 | 9 |
| SR-224 | 9 |
| SR-248 | 7 |
| I-84 | 7 |
| I-80, At - 2 Feet N Of I-80 | 7 |
Summit County at a glance
| Population | 43,109 |
| Land area | 1,870.7 sq mi |
| Density | 23 per sq mi |
| Median household income (ZIP average) | $128,583 |
Waste facilities and haulers nearby
Historical data: truck crashes in Summit 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 | 44 | — | 0.8 |
| 2000s | 53 | +20% | 1.2 |
| 2010s | 62 | +17% | 0.9 |
| 2020s | 45 | -27% | 0.8 |
Reported truck crashes averaged 44 a year in the 1990s and 45 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 1.2 a year in 2016–19 and 0.8 a year in 2020–24.
Cities, towns & communities in Summit County
ZIP codes in Summit County
Nearby counties
Questions fleets ask about Summit County
How many truck crashes happen in Summit County?
Summit County has had 600 reported truck crashes since 2015, injuring 314 people and killing 23.
Where do fatal truck crashes happen most in Summit County?
NHTSA data shows I-80 with 6 fatal large-truck crashes in Summit County since 2015, the highest of any road.
What is the worst month for truck crashes in Summit County?
Truck crashes in Summit County peak in January, with 12.7% of the year's crashes.
Are garbage truck crashes common in Summit County?
Since 2015, Summit County has reported 4 garbage-truck crashes, or 0.7% of its truck crashes.
How does Summit County compare with Utah for truck crashes?
The yearly rate is 119.1 truck crashes per 100,000 residents in Summit County, vs 35.6 for Utah.
How can I plan a safer truck route in Summit 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.