Mills, WY truck route planning & crash data
Plan safer truck routes in Mills: commercial truck and garbage truck crashes in Mills and Natrona County, dangerous roads, seasonality and route safety data for fleets. Patterns use Natrona County numbers.
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 sits below Wyoming on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. Where it is higher: garbage-truck share.
What stands out in Natrona County: 1 in 76 crashes involve a garbage truck (6 since 2015), vs 0.4% across Wyoming.
Overview
Natrona County has recorded 481 truck crashes since 2015, with 180 people injured and 18 killed.
In complete reporting years that works out to about one truck crash every 9 days.
With 3 truck crashes reported in Mills since 2015, this page uses Natrona County numbers for its patterns and comparisons.
When crashes happen
The worst month is November with 11.9% of truck crashes; the quietest is April at 5.2%.
The five winter months (November to March) hold 51.0% of truck crashes, against 59.3% across 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
Fatal large-truck crashes within 10 miles of Mills since 2015 were spread across roads: SR-257 (2), Events Dr (1) and SR-220 (1).
Garbage & waste trucks
6 crashes involved a garbage or refuse truck, a 1.2% share (Wyoming: 0.4%).
Route planning tips for Mills fleets
- Review driver schedules for November, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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) |
|---|---|
| SR-257 | 2 |
| Events Dr | 1 |
| SR-220 | 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 |
Mills at a glance
| Population | 4,584 |
| Land area | 5.1 sq mi |
| Density | 900 per sq mi |
| Median household income (ZIP 82644) | $53,750 |
| Median home value (ZIP 82644) | $168,520 |
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 |
In the 1990s about 20 truck crashes a year were reported; in the 2020s, about 43. Reporting coverage also changed between these periods. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 1.2 a year in 2020–24.
Nearby places
Questions fleets ask about Mills
How common are truck crashes in Mills?
Since 2015, 481 crashes involving commercial trucks were reported in Natrona County (180 injured, 18 killed).
When do most truck crashes happen in Mills?
Truck crashes in Natrona County peak in November, with 11.9% of the year's crashes.
Are garbage truck crashes common in Mills?
6 crashes involving garbage or refuse trucks have been reported in Natrona County since 2015, 1.2% of all truck crashes.
How do truck crashes in Mills compare with Wyoming?
Natrona County records 51.4 truck crashes per 100,000 residents a year, against 187.2 across Wyoming.
How do I plan a garbage truck route in Mills?
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.