Plymouth, UT truck route planning & crash data
Plan safer truck routes in Plymouth: commercial truck and garbage truck crashes in Plymouth and Box Elder County, dangerous roads, seasonality and route safety data for fleets. Patterns use Box Elder County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 826 truck crashes since 2015.
Deadliest roads
How Box Elder County compares with Utah
Box Elder County against Utah and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Box Elder County stands out
Full comparison
| Measure (2015–2025) | Box Elder County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 111.4 | 35.6 | 49.7 | 3.1× the state |
| Deaths per 100 crashes | 4.3 | 3.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.44 | 0.47 | 0.49 | same |
| Garbage-truck share | 0.2% | 1.5% | 2.3% | 84% below the state |
| On snow, slush or ice | 19.0% | 9.0% | 6.2% | 2.1× the state |
| Morning rush (6–10 am) | 19.7% | 23.6% | 23.7% | 16% below the state |
| In rain, sleet or snow | 22.3% | 15.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 50.8% | 43.0% | 41.9% | 1.2× the state |
| After dark | 30.8% | 24.1% | 24.8% | 1.3× the state |
Box Elder County sits below Utah on garbage-truck share and morning rush (6–10 am). Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
Box Elder County at a glance: 19.0% on snowy, slushy or icy roads, against 9.0% across Utah.
Overview
Box Elder County has recorded 826 truck crashes since 2015, with 360 people injured and 36 killed.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
Plymouth had 17 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Box Elder County numbers.
When crashes happen
Truck crashes peak in January (13.3% of the year) and are lowest in October (4.8%).
Winter months (Nov–Mar) carry 50.8% of truck crashes, vs 43.0% for Utah.
More truck crashes happen at 12–1 pm than at any other hour (10.0%).
Road surface: 19.0% of truck crashes were on snow, slush or ice (Utah: 9.0%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Plymouth happened on I-15 (2), SR-30 (2) and I-84 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 0.2%, compared with 1.5% in Utah.
Route planning tips for Plymouth fleets
- Review driver schedules for January, the month with the most truck crashes.
- With 19.0% of truck crashes on snow, slush or ice (above Utah), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Box Elder County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-15 | 2 |
| SR-30 | 2 |
| I-84 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Box Elder County) |
|---|---|
| I-15 | 193 |
| I-84 | 113 |
| SR-30 | 39 |
| I-15, At - | 25 |
| I-15, At - 1 Feet P Of I-15 | 10 |
| SR-13 | 10 |
| I-84, At - | 9 |
| Sr-89/91 | 7 |
Plymouth at a glance
| Population | 492 |
| Land area | 0.9 sq mi |
| Density | 564 per sq mi |
| Median household income (ZIP 84330) | $86,518 |
| Median home value (ZIP 84330) | $375,562 |
Waste facilities and haulers nearby
Historical data: truck crashes in Box Elder 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 | 41 | — | 1.9 |
| 2000s | 62 | +51% | 1.6 |
| 2010s | 70 | +14% | 1.4 |
| 2020s | 68 | -4% | 2.8 |
Reported truck crashes averaged 41 a year in the 1990s and 68 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 2.8 a year in 2020–24.
Nearby places
Questions fleets ask about Plymouth
How many truck crashes happen in Plymouth?
Box Elder County has had 826 reported truck crashes since 2015, injuring 360 people and killing 36.
When do most truck crashes happen in Plymouth?
Truck crashes in Box Elder County peak in January, with 13.3% of the year's crashes.
How many garbage truck crashes are there in Plymouth?
2 crashes involving garbage or refuse trucks have been reported in Box Elder County since 2015, 0.2% of all truck crashes.
What is the truck crash rate in Plymouth compared with Utah?
Box Elder County records 111.4 truck crashes per 100,000 residents a year, against 35.6 across Utah.
How can I plan a safer truck route in Plymouth?
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.