Maricopa, AZ truck route planning & crash data
Plan safer truck routes in Maricopa: commercial truck and garbage truck crashes in Maricopa 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 |
Pinal County sits below Arizona 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.
The headline for 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.
In complete reporting years that works out to about one truck crash every 2 days.
Only 96 truck crashes were reported in Maricopa since 2015; patterns below come from Pinal County as a whole.
When crashes happen
The worst month is January with 10.0% of truck crashes; the quietest is November at 7.0%.
November through March accounts for 43.6% of truck crashes here, compared with 42.1% in Arizona.
The busiest hour is 11 am–12 pm, with 6.8% of truck crashes.
Snow, slush or ice was on the road in 0.2% of truck crashes, compared with 3.2% in Arizona.
Where crashes happen
SR-347 leads within 10 miles of Maricopa with 7 fatal crashes involving a large truck since 2015. After it: Maricopa Casa Grande Hwy (1) and Maricopa-Casa Grande Hwy (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 28 crashes, 1.4% of the total, against 1.6% across Arizona.
Garbage-truck crashes peak in March (14% of them).
They recorded 3.8 deaths per 100 crashes, against 6.9 for all trucks.
Route planning tips for Maricopa fleets
- Build extra time into January routes: it has the most truck crashes here.
- Check whether your routes use SR-347, the road with the most fatal truck crashes in this area.
- 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
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) |
|---|---|
| SR-347 | 7 |
| Maricopa Casa Grande Hwy | 1 |
| Maricopa-Casa Grande Hwy | 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 |
Maricopa at a glance
| Population | 76,654 |
| Land area | 42.5 sq mi |
| Density | 1,804 per sq mi |
| Median household income (ZIP 85138) | $95,867 |
| Median home value (ZIP 85138) | $378,316 |
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. 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 Maricopa
How many truck crashes happen in Maricopa?
2,060 truck crashes have been reported in Pinal County since 2015, with 136 deaths and 550 injuries.
Which road has the most fatal truck crashes in Maricopa?
NHTSA data shows SR-347 with 7 fatal large-truck crashes within 10 miles of Maricopa since 2015, the highest of any road.
Which month has the most truck crashes in Maricopa?
The worst month is January: 10.0% of truck crashes in Pinal County happen then.
Are garbage truck crashes common in Maricopa?
Since 2015, Pinal County has reported 28 garbage-truck crashes, or 1.4% of its truck crashes.
How do truck crashes in Maricopa compare with Arizona?
Pinal County records 34.0 truck crashes per 100,000 residents a year, against 35.9 across Arizona.
What is the best way to plan truck routes in Maricopa?
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.