ZIP 84120 (West Valley City, UT) truck route planning & crash data
Plan safer truck routes around ZIP 84120: commercial truck and garbage truck crashes here and in Salt Lake 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
0.0 deaths per 100 garbage-truck crashes vs 1.6 for all trucks.
Deadliest roads
How Salt Lake County compares with Utah
Salt Lake County against Utah and the US, 2015–2024 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Salt Lake County stands out
Full comparison
| Measure (2015–2024) | Salt Lake County | Utah | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 34.0 | 35.6 | 49.7 | same |
| Deaths per 100 crashes | 1.6 | 3.6 | 3.4 | 56% below the state |
| Injuries per crash | 0.44 | 0.47 | 0.49 | same |
| Garbage-truck share | 2.1% | 1.5% | 2.3% | 1.4× the state |
| On snow, slush or ice | 5.6% | 9.0% | 6.2% | 38% below the state |
| Morning rush (6–10 am) | 23.7% | 23.6% | 23.7% | same |
| In rain, sleet or snow | 13.0% | 15.8% | 13.8% | 18% below the state |
| Winter months (Nov–Mar) | 40.2% | 43.0% | 41.9% | same |
| After dark | 19.0% | 24.1% | 24.8% | 21% below the state |
Compared with Utah, Salt Lake County is lower on deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow. Where it is higher: garbage-truck share.
The headline for ZIP 84120: 1.6× fatal truck crashes within 10 miles of ZIP 84120 per year, 2020–24 vs 2016–19 (6.0 vs 3.8).
Overview
Police reported 4,376 crashes involving commercial trucks in Salt Lake County since 2015: 1,905 people were injured and 88 were killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
When crashes happen
Truck crashes peak in August (10.0% of the year) and are lowest in March (7.2%).
November through March accounts for 40.2% of truck crashes here, compared with 43.0% in Utah.
More truck crashes happen at 1–2 pm than at any other hour (8.8%).
Snow, slush or ice was on the road in 5.6% of truck crashes, compared with 9.0% in Utah.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 84120 since 2015: I-15 (6), SR-154 (6), I-215 (5), SR-68 (5) and SR-85 (4). No single road stands out.
Garbage & waste trucks
89 crashes involved a garbage or refuse truck, a 2.0% share (Utah: 1.5%).
The most garbage-truck crashes happen in January (11%).
Deaths per 100 garbage-truck crashes: 0.0, vs 1.6 for all truck crashes.
Route planning tips for ZIP 84120 fleets
- Build extra time into August routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in January; review collection routes for that month.
- 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 was incomplete in 2023 and 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 Salt Lake County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-15 | 6 |
| SR-154 | 6 |
| I-215 | 5 |
| SR-68 | 5 |
| SR-85 | 4 |
| SR-201 | 3 |
| I-80 | 2 |
| SR-171 | 2 |
| SR-48 | 2 |
| 1730 South | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Salt Lake County) |
|---|---|
| I-15 | 481 |
| I-15, At - | 230 |
| I-80 | 230 |
| I-80, At - | 109 |
| South | 109 |
| I-215 | 98 |
| SR-201 | 89 |
| West | 62 |
ZIP 84120 at a glance
| Population | 50,799 |
| Density | 1,942 per sq mi |
| Median household income | $94,306 |
| Median home value | $412,993 |
| Home ownership | 76% |
Waste facilities and haulers nearby
Historical data: truck crashes in Salt Lake 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 | 330 | — | 6.5 |
| 2000s | 412 | +25% | 4.5 |
| 2010s | 433 | +5% | 5.2 |
| 2020s | 299 | -31% | 8.0 |
In the 1990s about 330 truck crashes a year were reported; in the 2020s, about 299. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 5.2 a year in 2016–19 and 8.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 84120
How common are truck crashes in ZIP 84120?
Salt Lake County has had 4,376 reported truck crashes since 2015, injuring 1,905 people and killing 88.
What is the worst month for truck crashes in ZIP 84120?
Truck crashes in Salt Lake County peak in August, with 10.0% of the year's crashes.
How many garbage truck accidents happen in ZIP 84120?
Since 2015, Salt Lake County has reported 89 garbage-truck crashes, or 2.0% of its truck crashes.
How do truck crashes in ZIP 84120 compare with Utah?
Salt Lake County records 34.0 truck crashes per 100,000 residents a year, against 35.6 across Utah.
How do I plan a garbage truck route in ZIP 84120?
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 2023 and 2025; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.