ZIP 84756 (Newcastle, UT) truck route planning & crash data
Plan safer truck routes around ZIP 84756: commercial truck and garbage truck crashes here and in Iron 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
9 of 517 truck crashes since 2015.
Deadliest roads
How Iron County compares with Utah
Iron County against Utah and the US, 2015–2024 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Iron County stands out
Full comparison
| Measure (2015–2024) | Iron County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 69.0 | 35.6 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 3.1 | 3.6 | 3.4 | 14% below the state |
| Injuries per crash | 0.45 | 0.47 | 0.49 | same |
| Garbage-truck share | 1.8% | 1.5% | 2.3% | 1.1× the state |
| On snow, slush or ice | 12.5% | 9.0% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 21.3% | 23.6% | 23.7% | 10% below the state |
| In rain, sleet or snow | 22.0% | 15.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 43.1% | 43.0% | 41.9% | same |
| After dark | 27.9% | 24.1% | 24.8% | 1.2× the state |
Iron County has lower values than Utah for deaths per 100 crashes and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice.
The headline for Iron County: 22.0% share of truck crashes in rain, sleet or snow (Utah: 15.8%).
Overview
Iron County has recorded 517 truck crashes since 2015, with 237 people injured and 15 killed.
That averages about one truck crash every 8 days in fully reported years.
When crashes happen
The worst month is February with 12.2% of truck crashes; the quietest is March at 6.6%.
The five winter months (November to March) hold 43.1% of truck crashes, against 43.0% across Utah.
The busiest hour is 8–9 am, with 7.2% of truck crashes.
Road surface: 12.5% of truck crashes were on snow, slush or ice (Utah: 9.0%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 84756 since 2015 were spread across roads: SR-56 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 9 crashes, 1.7% of the total, against 1.5% across Utah.
Route planning tips for ZIP 84756 fleets
- Build extra time into February routes: it has the most truck crashes here.
- Icy and snowy roads show up in 12.5% of truck crashes here, more than Utah; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 was incomplete in 2025, so those years are greyed out and left out of rates and comparisons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Iron County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-56 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Iron County) |
|---|---|
| I-15 | 142 |
| SR-20 | 29 |
| I-15, At - | 24 |
| SR-56 | 14 |
| SR-130 | 11 |
| Airport Rd | 4 |
| I 15, At - | 4 |
| I-15 Mm 63 | 3 |
ZIP 84756 at a glance
| Population | 390 |
| Density | 2 per sq mi |
| Median household income | $85,489 |
| Home ownership | 100% |
Waste facilities and haulers nearby
Historical data: truck crashes in Iron 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 | — | 1.3 |
| 2000s | 34 | +16% | 1.2 |
| 2010s | 45 | +31% | 0.8 |
| 2020s | 43 | -4% | 2.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 29 to 43. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 2.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 84756
How many truck accidents are there in ZIP 84756?
Iron County has had 517 reported truck crashes since 2015, injuring 237 people and killing 15.
Which month has the most truck crashes in ZIP 84756?
February has the most truck crashes in Iron County, 12.2% of the yearly total.
How many garbage truck crashes are there in ZIP 84756?
Since 2015, Iron County has reported 9 garbage-truck crashes, or 1.7% of its truck crashes.
What is the truck crash rate in ZIP 84756 compared with Utah?
Per 100,000 residents, Iron County has 69.0 truck crashes a year; Utah has 35.6.
What is the best way to plan truck routes in ZIP 84756?
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 2025; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.