ZIP 84320 (Lewiston, UT) truck route planning & crash data
Plan safer truck routes around ZIP 84320: 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 sits below Utah on crashes per 100k residents / yr and after dark. It runs above Utah on deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
The headline for Cache County: 15.9% on snowy, slushy or icy roads, against 9.0% across Utah.
Overview
Cache County has recorded 307 truck crashes since 2015, with 157 people injured and 13 killed.
Across the years with complete reporting, that is roughly one truck crash every 13 days.
When crashes happen
The worst month is August with 11.4% of truck crashes; the quietest is April at 5.2%.
The five winter months (November to March) hold 46.8% of truck crashes, against 43.0% across Utah.
By time of day, 9–10 am stands out with 10.4% of truck crashes.
15.9% of truck crashes here happened on snow, slush or ice, against 9.0% across Utah.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 84320 happened on US-91 (3) and SR-218 (1); no road leads clearly.
Garbage & waste trucks
8 crashes involved a garbage or refuse truck, a 2.6% share (Utah: 1.5%).
Route planning tips for ZIP 84320 fleets
- Build extra time into August routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 27.4% of truck crashes here, more than Utah; adjust start times where you can.
- 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
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.
Reporting to FMCSA was incomplete in 2021 and 2022; rates and comparisons skip those years.
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 | 3 |
| SR-218 | 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 84320 at a glance
| Population | 3,162 |
| Density | 26 per sq mi |
| Median household income | $103,810 |
| Median home value | $393,405 |
| Home ownership | 84% |
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 |
In the 1990s about 29 truck crashes a year were reported; in the 2020s, about 22. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 84320
How many truck crashes happen in ZIP 84320?
Since 2015, 307 crashes involving commercial trucks were reported in Cache County (157 injured, 13 killed).
When do most truck crashes happen in ZIP 84320?
Truck crashes in Cache County peak in August, with 11.4% of the year's crashes.
How many garbage truck accidents happen in ZIP 84320?
8 crashes involving garbage or refuse trucks have been reported in Cache County since 2015, 2.6% of all truck crashes.
How does ZIP 84320 compare with Utah for truck crashes?
The yearly rate is 19.2 truck crashes per 100,000 residents in Cache County, vs 35.6 for Utah.
How can I plan a safer truck route in ZIP 84320?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
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.