ZIP 84623 (Chester, UT) truck route planning & crash data
Plan safer truck routes around ZIP 84623: commercial truck and garbage truck crashes here and in Sanpete 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
1 of 62 truck crashes since 2015.
Deadliest roads
How Sanpete County compares with Utah
Sanpete County against Utah and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sanpete County stands out
Full comparison
| Measure (2015–2025) | Sanpete County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 17.5 | 35.6 | 49.7 | 51% below the state |
| Deaths per 100 crashes | 10.2 | 3.6 | 3.4 | 2.8× the state |
| Injuries per crash | 0.76 | 0.47 | 0.49 | 1.6× the state |
| Garbage-truck share | 1.7% | 1.5% | 2.3% | 1.1× the state |
| On snow, slush or ice | 6.8% | 9.0% | 6.2% | 25% below the state |
| Morning rush (6–10 am) | 22.0% | 23.6% | 23.7% | same |
| In rain, sleet or snow | 8.5% | 15.8% | 13.8% | 46% below the state |
| Winter months (Nov–Mar) | 32.2% | 43.0% | 41.9% | 25% below the state |
| After dark | 20.3% | 24.1% | 24.8% | 16% below the state |
Sanpete County has lower values than Utah for crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Sanpete County: 10.2 deaths per 100 truck crashes, vs 3.6 in Utah.
Overview
Since 2015, 62 crashes involving commercial trucks have been reported in Sanpete County. They injured 48 people and killed 6.
In complete reporting years that works out to about one truck crash every 68 days.
When crashes happen
October has the most truck crashes, 16.1% of the yearly total, while March has the fewest (1.6%).
The five winter months (November to March) hold 32.2% of truck crashes, against 43.0% across Utah.
The busiest hour is 12–1 pm, with 14.5% of truck crashes.
6.8% of truck crashes here happened on snow, slush or ice, against 9.0% across Utah.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 84623 since 2015 were spread across roads: Ephraim Canyon Road (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.6%, compared with 1.5% in Utah.
Route planning tips for ZIP 84623 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Sanpete County.
- 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 Sanpete County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Ephraim Canyon Road | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sanpete County) |
|---|---|
| SR-89 | 9 |
| SR-132 | 7 |
| Sr-89, At - 1 Feet P Of Sr-89 | 3 |
| SR-28 | 2 |
| SR-31 | 2 |
| South | 2 |
| Sr-28, | 2 |
| Sr-89 Mp 258, | 2 |
ZIP 84623 at a glance
| Population | 358 |
| Density | 8 per sq mi |
| Home ownership | 48% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sanpete 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 | 9 | — | 0.4 |
| 2000s | 7 | -22% | 0.4 |
| 2010s | 5 | -24% | 0.2 |
| 2020s | 5 | +3% | 0.4 |
Reported truck crashes averaged 9 a year in the 1990s and 5 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 84623
How common are truck crashes in ZIP 84623?
Sanpete County has had 62 reported truck crashes since 2015, injuring 48 people and killing 6.
Which month has the most truck crashes in ZIP 84623?
The worst month is October: 16.1% of truck crashes in Sanpete County happen then.
Are garbage truck crashes common in ZIP 84623?
1 crash involving garbage or refuse trucks have been reported in Sanpete County since 2015, 1.6% of all truck crashes.
How do truck crashes in ZIP 84623 compare with Utah?
Per 100,000 residents, Sanpete County has 17.5 truck crashes a year; Utah has 35.6.
What is the best way to plan truck routes in ZIP 84623?
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.