San Tan Valley, AZ truck route planning & crash data
Plan safer truck routes in San Tan Valley: commercial truck and garbage truck crashes in San Tan Valley and Pinal County, dangerous roads, seasonality and route safety data for fleets. Patterns use Pinal County numbers.
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 |
Compared with Arizona, Pinal County is lower on garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It runs above Arizona on deaths per 100 crashes and injuries per crash.
What stands out in Pinal County: 0.2% of truck crashes happened on snow, slush or ice, vs 3.2% in Arizona.
Overview
Pinal County has recorded 2,060 truck crashes since 2015, with 550 people injured and 136 killed.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
San Tan Valley had 13 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Pinal County numbers.
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.
More truck crashes happen at 11 am–12 pm than at any other hour (6.8%).
Snow, slush or ice was on the road in 0.2% of truck crashes, compared with 3.2% in Arizona.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of San Tan Valley happened on E German Rd (1), Ellsworth Rd (1), N Gary Rd (1), Rittenhouse Rd (1) and SR-24 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 28 of the truck crashes here, or 1.4%, compared with 1.6% in Arizona.
The most garbage-truck crashes happen in March (14%).
They recorded 3.8 deaths per 100 crashes, against 6.9 for all trucks.
Route planning tips for San Tan Valley fleets
- Build extra time into January routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in March; review collection routes for that month.
- 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 Pinal County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| E German Rd | 1 |
| Ellsworth Rd | 1 |
| N Gary Rd | 1 |
| Rittenhouse Rd | 1 |
| SR-24 | 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 |
San Tan Valley at a glance
| Land area | 75.8 sq mi |
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 |
In the 1990s about 29 truck crashes a year were reported; in the 2020s, about 187. Reporting coverage also changed between these periods. NHTSA counts 8.0 fatal large-truck crashes a year in 2016–19 and 9.2 a year in 2020–24.
Nearby places
Questions fleets ask about San Tan Valley
How many truck crashes happen in San Tan Valley?
Since 2015, 2,060 crashes involving commercial trucks were reported in Pinal County (550 injured, 136 killed).
When do most truck crashes happen in San Tan Valley?
Truck crashes in Pinal County peak in January, with 10.0% of the year's crashes.
How many garbage truck crashes are there in San Tan Valley?
Garbage trucks were involved in 28 reported crashes in Pinal County since 2015 (1.4% of truck crashes).
How do truck crashes in San Tan Valley compare with Arizona?
Per 100,000 residents, Pinal County has 34.0 truck crashes a year; Arizona has 35.9.
How can I plan a safer truck route in San Tan Valley?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.