ZIP 85143 (San Tan Valley, AZ) truck route planning & crash data
Plan safer truck routes around ZIP 85143: commercial truck and garbage truck crashes here and in Pinal 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
3.8 deaths per 100 garbage-truck crashes vs 6.9 for all trucks.
Deadliest roads
How Pinal County compares with Arizona
Pinal County against Arizona and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Pinal County stands out
Full comparison
| Measure (2015–2025) | Pinal County | Arizona | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 34.0 | 35.9 | 49.7 | same |
| Deaths per 100 crashes | 6.9 | 5.2 | 3.4 | 1.3× the state |
| Injuries per crash | 0.25 | 0.19 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.4% | 1.6% | 2.3% | 14% below the state |
| On snow, slush or ice | 0.2% | 3.2% | 6.2% | 95% below the state |
| Morning rush (6–10 am) | 20.7% | 22.6% | 23.7% | 8% below the state |
| In rain, sleet or snow | 3.6% | 5.3% | 13.8% | 31% below the state |
| Winter months (Nov–Mar) | 43.6% | 42.1% | 41.9% | same |
| After dark | 29.3% | 30.0% | 24.8% | same |
Pinal County sits below Arizona on garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It stands out for higher deaths per 100 crashes and injuries per crash.
What stands out in Pinal County: 0.2% share of truck crashes on snow, slush or ice (Arizona: 3.2%).
Overview
Pinal County has recorded 2,060 truck crashes since 2015, with 550 people injured and 136 killed.
In complete reporting years that works out to about one truck crash every 2 days.
When crashes happen
Truck crashes peak in January (10.0% of the year) and are lowest in November (7.0%).
The five winter months (November to March) hold 43.6% of truck crashes, against 42.1% across Arizona.
By time of day, 11 am–12 pm stands out with 6.8% of truck crashes.
0.2% of truck crashes here happened on snow, slush or ice, against 3.2% across Arizona.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 85143 since 2015: Attaway Rd (1), E German Rd (1), N Gary Rd (1), Rittenhouse Rd (1) and SR-79 (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 28 crashes, 1.4% of the total, against 1.6% across Arizona.
The most garbage-truck crashes happen in March (14%).
Per 100 crashes, garbage trucks recorded 3.8 deaths compared with 6.9 for all trucks.
Route planning tips for ZIP 85143 fleets
- Review driver schedules for January, the month with the most truck crashes.
- For residential and commercial waste routes, look again at March schedules: garbage-truck crashes peak then.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Pinal County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Attaway Rd | 1 |
| E German Rd | 1 |
| N Gary Rd | 1 |
| Rittenhouse Rd | 1 |
| SR-79 | 1 |
| Thompson Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Pinal County) |
|---|---|
| I-10 Noncard@M182 | 14 |
| I-10 Noncard@M177 | 14 |
| I-10 Noncard@M181 | 12 |
| I-10 Noncard@M179 | 12 |
| I-8 Exit 178 A-Ramp@M178A | 11 |
| I-10 Noncard@M203 | 9 |
| I-10 Noncard@M194 | 9 |
| I-10 Noncard@M185 | 9 |
ZIP 85143 at a glance
| Population | 44,444 |
| Density | 549 per sq mi |
| Median household income | $93,707 |
| Median home value | $389,899 |
| Home ownership | 80% |
Waste facilities and haulers nearby
Historical data: truck crashes in Pinal 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 | — | 5.6 |
| 2000s | 102 | +250% | 9.5 |
| 2010s | 80 | -21% | 6.7 |
| 2020s | 187 | +132% | 9.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 29 to 187. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 8.0 a year in 2016–19 and 9.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 85143
How many truck accidents are there in ZIP 85143?
2,060 truck crashes have been reported in Pinal County since 2015, with 136 deaths and 550 injuries.
Which month has the most truck crashes in ZIP 85143?
Truck crashes in Pinal County peak in January, with 10.0% of the year's crashes.
How many garbage truck crashes are there in ZIP 85143?
Since 2015, Pinal County has reported 28 garbage-truck crashes, or 1.4% of its truck crashes.
How do truck crashes in ZIP 85143 compare with Arizona?
The yearly rate is 34.0 truck crashes per 100,000 residents in Pinal County, vs 35.9 for Arizona.
How can I plan a safer truck route in ZIP 85143?
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.