ZIP 82604 (Casper, WY) truck route planning & crash data
Plan safer truck routes around ZIP 82604: commercial truck and garbage truck crashes here and in Natrona 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
6 of 481 truck crashes since 2015.
Deadliest roads
How Natrona County compares with Wyoming
Natrona County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Natrona County stands out
Full comparison
| Measure (2015–2025) | Natrona County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 51.4 | 187.2 | 49.7 | 73% below the state |
| Deaths per 100 crashes | 3.5 | 4.5 | 3.4 | 22% below the state |
| Injuries per crash | 0.36 | 0.43 | 0.49 | 16% below the state |
| Garbage-truck share | 1.3% | 0.4% | 2.3% | 3.3× the state |
| On snow, slush or ice | 28.3% | 45.1% | 6.2% | 37% below the state |
| Morning rush (6–10 am) | 20.9% | 23.4% | 23.7% | 11% below the state |
| In rain, sleet or snow | 16.7% | 25.0% | 13.8% | 33% below the state |
| Winter months (Nov–Mar) | 51.0% | 59.3% | 41.9% | 14% below the state |
| After dark | 24.6% | 32.8% | 24.8% | 25% below the state |
Natrona County has lower values than Wyoming for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher garbage-truck share.
Natrona County at a glance: 1 in 76 crashes involve a garbage truck (6 since 2015), vs 0.4% across Wyoming.
Overview
Police reported 481 crashes involving commercial trucks in Natrona County since 2015: 180 people were injured and 18 were killed.
That averages about one truck crash every 9 days in fully reported years.
When crashes happen
November has the most truck crashes, 11.9% of the yearly total, while April has the fewest (5.2%).
November through March accounts for 51.0% of truck crashes here, compared with 59.3% in Wyoming.
More truck crashes happen at 10–11 am than at any other hour (8.3%).
28.3% of truck crashes here happened on snow, slush or ice, against 45.1% across Wyoming.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 82604 since 2015: US-20 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 6 of the truck crashes here, or 1.2%, compared with 0.4% in Wyoming.
Route planning tips for ZIP 82604 fleets
- Build extra time into November routes: it has the most truck crashes here.
- 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.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Natrona County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Natrona County) |
|---|---|
| Wy 257 & Robertson Rd | 7 |
| Wy 220 Mp 101 | 4 |
| Wy 220 Mp 60 | 4 |
| Wy 220 Mp 94 | 4 |
| I-25 Mp 188 | 3 |
| N Mckinley St | 3 |
| N Mckinley St Mp 100.39 | 3 |
| Us 20/Us 26 To I-25 | 3 |
ZIP 82604 at a glance
| Population | 27,487 |
| Density | 10 per sq mi |
| Median household income | $79,118 |
| Median home value | $286,439 |
| Home ownership | 83% |
Waste facilities and haulers nearby
Historical data: truck crashes in Natrona 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 | 20 | — | 1.5 |
| 2000s | 29 | +40% | 1.9 |
| 2010s | 41 | +42% | 0.9 |
| 2020s | 43 | +5% | 1.2 |
Reported truck crashes averaged 20 a year in the 1990s and 43 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 82604
How many truck accidents are there in ZIP 82604?
481 truck crashes have been reported in Natrona County since 2015, with 18 deaths and 180 injuries.
When do most truck crashes happen in ZIP 82604?
Truck crashes in Natrona County peak in November, with 11.9% of the year's crashes.
How many garbage truck crashes are there in ZIP 82604?
Since 2015, Natrona County has reported 6 garbage-truck crashes, or 1.2% of its truck crashes.
How do truck crashes in ZIP 82604 compare with Wyoming?
The yearly rate is 51.4 truck crashes per 100,000 residents in Natrona County, vs 187.2 for Wyoming.
How do I plan a garbage truck route in ZIP 82604?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.