This page delivers traffic analytics for Maricopa County, Arizona. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Maricopa County, Arizona among 7,385 road miles divided in 205,899 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 189 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
11,870
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.5 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
18.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$102,625
Our data indicates an estimated average traffic volume of 11,870 vehicles per day in Maricopa County, Arizona that results in 98,058,205 vehicle-miles traveled per day (≈35.8 billion per year). The traffic stream is comprised of an average of 1 truck for every 15 vehicles. Typical time spent behind the wheel per trip is 32.5 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Arizona state averages: At 11,870 vehicles per day, the average monitored road in Maricopa carries 19% more traffic than the state average of 10,009 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 98,058,205 vehicle-miles traveled per day (≈35.8 billion per year), roughly 56% of Arizona's statewide total. Journey times run 1% lower than the state level, at 32.5 minutes on average. Congestion runs 2% higher than the state level, at a ratio of 18.6% - more pronounced congestion - crucial for traffic control improvement and logistics planning. At 11,870 vehicles per day, Maricopa posts the highest average traffic volume in Arizona. On travel time, Maricopa runs longer than 21% of counties in Arizona.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
37,295
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
37.4 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
43.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$98,172
A significant volume of traffic in Maricopa County, Arizona utilizes the highway network. The average highway carries 37,295 vehicles per day, 233% more than the average non-highway road in the same area, which carries 11,212 vehicles per day. That average covers 1,329 highway road miles divided in 5,188 segments (average segment length 1,352 ft), together carrying 44,719,595 vehicle-miles traveled per day (≈16.3 billion per year). No county in Arizona moves more traffic on its highways. Trucks constitute 9.3% of highway traffic.
Analytical insight
At 9.3%, highway truck share is 33% lower than the state average, marking Maricopa as a primarily local traffic hub - underscoring the importance of local access for logistics operators. At 9.3%, Maricopa's highway truck concentration is the lowest in Arizona. By raw volume, Maricopa carries the highest number of highway trucks in Arizona - roughly 3,147 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
11,212
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.4 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
17.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$105,358
The non-highway road network in Maricopa County, Arizona supports a substantial volume of traffic. The average non-highway road carries 11,212 vehicles per day, 70% less than the average highway in the same area, which carries 37,295 vehicles per day. That average covers 6,056 non-highway road miles divided in 200,711 segments (average segment length 159 ft), together carrying 53,338,610 vehicle-miles traveled per day (≈19.5 billion per year). Trucks constitute 4.7% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 50% lower than on highways. Non-highway congestion here (17.9%) closely tracks the state average. 21% of counties in Arizona see shorter overall travel times than Maricopa. At $102,625, the average driver income for trips originating here is the highest in Arizona. 7% of counties in Arizona have a younger driver population than Maricopa.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 3:00 PM–8:00 PM, with volumes reaching approximately 72% higher than the daily average.
Weekend traffic:
Weekend volumes run about 21% below weekday levels.
Seasonal Fluctuation
Busy season:
March–May is the high season, with volumes +6% versus the annual average.
Lowest month:
July is the quietest month, with volumes -9% versus the annual average.
Analytical insight
In Maricopa County, Arizona, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +6% in high season.
Traffic Flow Profile Comparison
Metric
Maricopa
Arizona
Average
Difference
Traffic
11,870
10,009
+18.6%
Truck % (Total Traffic)
6.8%
9.6%
-29.3%
Truck % (Highway)
9.3%
13.9%
-33.0%
Avg. Travel Time
32.5 min
32.9 min
-1.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 11,870 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Maricopa has the highest average driver income of any county in Arizona, at $102,625.
Approximately 4% of highway traffic and 2% of non-highway traffic consists of vehicles whose trip originates outside Maricopa County, Arizona. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 3:00 PM and 8:00 PM in the evening - about 72% above the daily average.
Traffic volumes are typically 6% higher during March–May. Volumes drop to their lowest levels in July, averaging 10,804 vehicles per day - a 9% decrease from the annual average.
The average travel time for drivers is 32.5 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Maricopa roads have a median age of 42 years, and the median household income of the neighborhoods trips originate from averages $102,625 - useful context for retail siting and customer profiling.
Trucks account for approximately 6.8% of the total traffic mix across all road types, with a significantly higher concentration of 9.3% on highways.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
