ZIP 84121 (Salt Lake City, UT) truck route planning & crash data
Plan safer truck routes around ZIP 84121: 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 |
Salt Lake County has lower values than Utah for deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow. It stands out for higher garbage-truck share.
The headline for ZIP 84121: I-80 most fatal truck crashes within 10 miles of ZIP 84121: 4 since 2015.
Overview
Salt Lake County has recorded 4,376 truck crashes since 2015, with 1,905 people injured and 88 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%).
The five winter months (November to March) hold 40.2% of truck crashes, against 43.0% across Utah.
More truck crashes happen at 1–2 pm than at any other hour (8.8%).
5.6% of truck crashes here happened on snow, slush or ice, against 9.0% across Utah.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 84121 is I-80, with 4 fatal large-truck crashes since 2015. After it: I-215 (2), Highland Dr (1) and SR-152 (1).
Garbage & waste trucks
89 crashes involved a garbage or refuse truck, a 2.0% share (Utah: 1.5%).
Their busiest month is January, with 11% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 0.0 deaths compared with 1.6 for all trucks.
Route planning tips for ZIP 84121 fleets
- Build extra time into August routes: it has the most truck crashes here.
- Where you can, review stops along I-80; it has the most fatal large-truck crashes nearby.
- Waste haulers: January is the peak month for garbage-truck crashes in Salt Lake County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Crash reporting for 2023 and 2025 is incomplete; those years are shown in grey and not used for rates.
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-80 | 4 |
| I-215 | 2 |
| Highland Dr | 1 |
| SR-152 | 1 |
| SR-190 | 1 |
| SR-210 | 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 84121 at a glance
| Population | 38,912 |
| Density | 233 per sq mi |
| Median household income | $115,515 |
| Median home value | $660,505 |
| Home ownership | 75% |
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 |
Reported truck crashes averaged 330 a year in the 1990s and 299 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 5.2 a year in 2016–19, 8.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 84121
How common are truck crashes in ZIP 84121?
4,376 truck crashes have been reported in Salt Lake County since 2015, with 88 deaths and 1,905 injuries.
Which road has the most fatal truck crashes in ZIP 84121?
Since 2015, I-80 has had the most fatal large-truck crashes within 10 miles of ZIP 84121: 4.
Which month has the most truck crashes in ZIP 84121?
August has the most truck crashes in Salt Lake County, 10.0% of the yearly total.
Are garbage truck crashes common in ZIP 84121?
89 crashes involving garbage or refuse trucks have been reported in Salt Lake County since 2015, 2.0% of all truck crashes.
How do truck crashes in ZIP 84121 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 84121?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
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.