ZIP 84335 (Smithfield, UT) truck route planning & crash data
Plan safer truck routes around ZIP 84335: commercial truck and garbage truck crashes here and in Cache County, 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
8 of 307 truck crashes since 2015.
Deadliest roads
How Cache County compares with Utah
Cache County against Utah and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cache County stands out
Full comparison
| Measure (2015–2025) | Cache County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 19.2 | 35.6 | 49.7 | 46% below the state |
| Deaths per 100 crashes | 4.0 | 3.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.49 | 0.47 | 0.49 | same |
| Garbage-truck share | 2.0% | 1.5% | 2.3% | 1.3× the state |
| On snow, slush or ice | 15.9% | 9.0% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 27.4% | 23.6% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 15.5% | 15.8% | 13.8% | same |
| Winter months (Nov–Mar) | 46.8% | 43.0% | 41.9% | 1.1× the state |
| After dark | 12.7% | 24.1% | 24.8% | 47% below the state |
Cache County has lower values than Utah for crashes per 100k residents / yr and after dark. It stands out for higher deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
Cache County at a glance: 15.9% of truck crashes happened on snow, slush or ice, vs 9.0% in Utah.
Overview
Since 2015, 307 crashes involving commercial trucks have been reported in Cache County. They injured 157 people and killed 13.
Across the years with complete reporting, that is roughly one truck crash every 13 days.
When crashes happen
Truck crashes peak in August (11.4% of the year) and are lowest in April (5.2%).
November through March accounts for 46.8% of truck crashes here, compared with 43.0% in Utah.
More truck crashes happen at 9–10 am than at any other hour (10.4%).
Road surface: 15.9% of truck crashes were on snow, slush or ice (Utah: 9.0%).
Where crashes happen
US-91 leads within 10 miles of ZIP 84335 with 4 fatal crashes involving a large truck since 2015. Next come SR-165 (1), SR-218 (1) and SR-252 (1).
Garbage & waste trucks
Garbage trucks account for 8 of the truck crashes here, or 2.6%, compared with 1.5% in Utah.
Route planning tips for ZIP 84335 fleets
- Review driver schedules for August, the month with the most truck crashes.
- Check whether your routes use US-91, the road with the most fatal truck crashes in this area.
- Morning starts matter: 27.4% of truck crashes fall between 6 and 10 am, higher than Utah.
- With 15.9% of truck crashes on snow, slush or ice (above Utah), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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.
Crash reporting for 2021 and 2022 is incomplete; those years are shown in grey and not used for rates.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Cache County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-91 | 4 |
| SR-165 | 1 |
| SR-218 | 1 |
| SR-252 | 1 |
| SR-30 | 1 |
| US-89 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Cache County) |
|---|---|
| SR-89 | 13 |
| SR-30 | 12 |
| Us-89/91, At - | 7 |
| Sr-89/91 | 7 |
| SR-91 | 7 |
| SR-23 | 6 |
| N Main St | 5 |
| Us 89/91 | 5 |
ZIP 84335 at a glance
| Population | 16,210 |
| Density | 96 per sq mi |
| Median household income | $97,979 |
| Median home value | $448,437 |
| Home ownership | 80% |
Waste facilities and haulers nearby
Historical data: truck crashes in Cache 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 | 29 | — | 0.7 |
| 2000s | 36 | +22% | 0.5 |
| 2010s | 28 | -20% | 0.9 |
| 2020s | 22 | -23% | 1.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 29 to 22. Some of the change may reflect how crashes were reported. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 84335
How many truck crashes happen in ZIP 84335?
Since 2015, 307 crashes involving commercial trucks were reported in Cache County (157 injured, 13 killed).
What is the most dangerous road for trucks in ZIP 84335?
Since 2015, US-91 has had the most fatal large-truck crashes within 10 miles of ZIP 84335: 4.
Which month has the most truck crashes in ZIP 84335?
The worst month is August: 11.4% of truck crashes in Cache County happen then.
How many garbage truck crashes are there in ZIP 84335?
Garbage trucks were involved in 8 reported crashes in Cache County since 2015 (2.6% of truck crashes).
How does ZIP 84335 compare with Utah for truck crashes?
Per 100,000 residents, Cache County has 19.2 truck crashes a year; Utah has 35.6.
How can I plan a safer truck route in ZIP 84335?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
Crash reporting to FMCSA was incomplete in 2021 and 2022; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.