This page delivers traffic analytics for Pima County, Arizona. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Pima County, Arizona among 2,490 road miles divided in 54,260 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 242 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.
9,167
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.2 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.
27.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,055
Our data indicates an estimated average traffic volume of 9,167 vehicles per day in Pima County, Arizona that results in 20,510,208 vehicle-miles traveled per day (≈7.5 billion per year). The traffic stream is comprised of an average of 1 truck for every 14 vehicles. Typical time spent behind the wheel per trip is 34.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Arizona state averages: Pima sees 8% lower average daily traffic volume than the state average (9,167 vehicles per day against 10,009), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Pima accounts for about 12% of Arizona's statewide total, at 20,510,208 vehicle-miles traveled per day (≈7.5 billion per year). Journey times run 4% higher than the state level, at 34.2 minutes on average. The congestion ratio of 27.8% is 53% higher, pointing to more pronounced congestion than the state level - crucial for traffic control improvement and logistics planning. Pima carries more traffic than 93% of counties in Arizona. 57% of counties in Arizona have a shorter average travel time than Pima's 34.2 minutes.
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.
22,631
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
36.9 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.
43.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$78,328
A significant volume of traffic in Pima County, Arizona utilizes the highway network. The average highway carries 22,631 vehicles per day, 159% more than the average non-highway road in the same area, which carries 8,750 vehicles per day. That average covers 269 highway road miles divided in 1,630 segments (average segment length 872 ft), together carrying 6,827,508 vehicle-miles traveled per day (≈2.5 billion per year). No more than 2 other counties in Arizona move more traffic on their highways. Trucks constitute 11.5% of highway traffic.
Analytical insight
At 11.5%, highway truck share is 18% lower than the state average, marking Pima as a primarily local traffic hub - underscoring the importance of local access for logistics operators. By truck concentration, highways here outrank 31% of counties in Arizona. 92% of counties in Arizona see fewer highway trucks per day than Pima's roughly 2,600.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
8,750
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.2 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.
27.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,601
The non-highway road network in Pima County, Arizona supports a substantial volume of traffic. The average non-highway road carries 8,750 vehicles per day, 61% less than the average highway in the same area, which carries 22,631 vehicles per day. That average covers 2,221 non-highway road miles divided in 52,630 segments (average segment length 223 ft), together carrying 13,682,700 vehicle-miles traveled per day (≈5.0 billion per year). Trucks constitute 5.1% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 55% lower than the highway network. At 51% higher than the state level, the non-highway congestion ratio of 27.4% signals more friction on local roads. 57% of counties in Arizona see shorter overall travel times than Pima. Trip origins here have higher average income than 86% of counties in Arizona. Pima's median driver age is higher than 29% of counties in Arizona.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 3:00 PM–5:00 PM, with volumes reaching approximately 74% higher than the daily average.
Weekend traffic:
Weekend volumes run about 11% below weekday levels.
Seasonal Fluctuation
Busy season:
February–April is the high season, with volumes +9% versus the annual average.
Lowest month:
December is the quietest month, with volumes -14% versus the annual average.
Analytical insight
In Pima County, Arizona, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +9% in high season.
Traffic Flow Profile Comparison
Metric
Pima
Arizona
Average
Difference
Traffic
9,167
10,009
-8.4%
Truck % (Total Traffic)
7.2%
9.6%
-24.6%
Truck % (Highway)
11.5%
13.9%
-17.6%
Avg. Travel Time
34.2 min
32.9 min
+4.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 9,167 vehicles per day, providing a baseline for daily operations and site assessment.
Pima carries more traffic than 93% of counties in Arizona, averaging 9,167 vehicles per day.
Approximately 7% of highway traffic and 0% of non-highway traffic consists of vehicles whose trip originates outside Pima 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.
Drivers on Pima roads have a median age of 44 years, and the median household income of the neighborhoods trips originate from averages $80,055 - useful context for retail siting and customer profiling.
Traffic volumes are typically 9% higher during February–April. Volumes drop to their lowest levels in December, averaging 7,908 vehicles per day - a 14% decrease from the annual average.
Trucks account for approximately 7.2% of the total traffic mix across all road types, with a significantly higher concentration of 11.5% 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)
