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Traffic heat map of Coconino County, Arizona: 1,506 miles of roads shaded from blue (light) to red (heavy traffic), busiest on US 89 and Milton Road

Coconino County, Arizona Traffic Counts

Its drivers are the youngest of any county in Arizona, a median 37 years. This page breaks down traffic in Coconino County, Arizona across 1,506 miles of monitored roads split into 8,219 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Coconino County, Arizona

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day6,363
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

17.5%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

30.3 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

15.5%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

36.6 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$78,857

A typical monitored road in Coconino County, Arizona sees 6,363 vehicles per day, while its 1,506 miles of monitored roads together handle 7,197,660 vehicle-miles traveled per day (≈2.6 billion per year). About 1 in 6 vehicles is a truck, well above the 9.6% across Arizona - a freight-heavy mix.

Shorter trips than 93% of counties in Arizona

At 6,363 vehicles per day, the average monitored road in Coconino carries 36% less traffic than the state average of 10,009, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Across the whole network, that travel is about 4.1% of Arizona's statewide total. By volume, Coconino's 6,363 vehicles per day outpaces 50% of counties in Arizona.

The average trip takes 30.3 minutes, 8% lower than the state level. On travel time, Coconino runs shorter than 93% of counties in Arizona.

The congestion ratio of 15.5% runs slightly lower than the state level (14% lower) - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Coconino County, Arizona

Trafficvehicles per day8,689
Trucks21.0%
Average travel time41.4 min
Congestion ratio20.4%
Drivers’ average age40.9 yrs
Drivers’ average income$79,162

Most travel in Coconino County, Arizona happens on highways, 72% of all vehicle-miles. The average highway carries 8,689 vehicles per day, 52% more than the average non-highway road in the same area, which carries 5,734 vehicles per day.

With 43% of the road miles (653 miles in 1,749 segments), highways punch above their length, carrying 5,206,759 vehicle-miles traveled per day (≈1.9 billion per year).

By highway travel volume, Coconino outranks 62% of counties in Arizona.

A major freight corridor

Highway truck concentration here runs 51% higher than the state average, at 21.0%. That marks Coconino as a major freight corridor, where highway access is what logistics operators compete on.

62% of counties in Arizona see a lower highway truck share than Coconino's 21.0%. By raw truck volume, Coconino carries fewer highway trucks than 62% of counties in Arizona.

non-highway traffic icon

Non-highway Traffic in Coconino County, Arizona

Trafficvehicles per day5,734
Trucks8.2%
Average travel time27.3 min
Congestion ratio14.2%
Drivers’ average age35.2 yrs
Drivers’ average income$78,526

Local roads carry a smaller share of travel in Coconino County, Arizona, 28% of vehicle-miles; most driving happens on highways. A typical local road sees 5,734 vehicles per day.

Spread over 854 miles and 6,470 segments, 57% of the road network, local roads carry a lighter load per mile: 1,990,901 vehicle-miles traveled per day (≈727 million per year). The truck share on non-highway roads is 8.2%.

The youngest drivers of any county in Arizona

Non-highway roads carry a truck concentration that's 61% lower than the highway network.

The non-highway congestion ratio of 14.2% is 21% lower than the state level, suggesting more efficient local mobility than the state average.

79% of counties in Arizona see lower average driver income among trip origins than Coconino. Drivers here also skew toward the lowest median age in Arizona, at 37 years.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and a long afternoon plateau from 2:00 PM to 8:00 PM, with volumes reaching approximately 76% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (+2%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +12% versus the annual average.
Lowest month:
January is the quietest month, with volumes -26% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Coconino County, Arizona, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +12% in high season.

Coconino County vs. Arizona Traffic Comparison

The truck share sets Coconino County apart: 82% above the Arizona average. Its highway truck share is also 51% above.

MetricCoconino CountyArizona averageDifference
Traffic6,36310,009-36.4%
Truck % (Total Traffic)17.5%9.6%+81.9%
Truck % (Highway)21.0%13.9%+50.8%
Avg. Travel Time30.3 min32.9 min-7.9%

How Coconino County compares

Coconino County against nearby counties

Coconino County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the fourth busiest roads of the five. Traffic volume here matches the areas around it, but more of that traffic is trucks - a difference in what routes through, not in how much.

Coconino County and the 4 nearest county-level areas by centroid distance, with the Arizona average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Coconino County6,36317.5%7,197,66030.3 min15.5%
Yavapai County, Arizona6,74912.9%8,524,06533.4 min15.6%
Navajo County, Arizona5,49317.1%3,588,70935.0 min13.1%
Kane County, Utah7,2308.6%888,60933.1 minN/A
Mohave County, Arizona6,60217.9%7,305,26833.6 min15.3%
Arizona average10,0099.6%N/A32.9 min18.1%

Coconino County ranked within Arizona

Coconino County records the lowest average driver age in Arizona.

Coconino County ranked among 15 county-level areas in Arizona (1 = highest); measures without data in every county rank a smaller field, down to 14.
MeasureCoconino CountyArizona rank
Traffic volume (AADT)6,363#8 of 15
Highway vehicle-miles per day5,206,759#6 of 14
Truck share on highways21.0%#6 of 14
Highway trucks per day1,828#9 of 14
Average travel time30.3 min#14 of 15
Average driver income$78,857#4 of 15
Average driver age36.6 yrs#15 of 15

The two ends of this table sit far apart: #4 of 15 on average driver income, against #15 of 15 on average driver age.

Busiest roads in Coconino County, Arizona

On their busiest stretches, the three busiest roads in Coconino County carry 32,776 vehicles a day on average, 5.2 times the typical road in the county (6,363).

US 89 is the busiest road, at 36,880 vehicles a day, 2,107 of them trucks (5.7%). Purple Heart Trail carries the most trucks, 7,064 a day (31.6% of its traffic), although it is not among the 5 busiest roads overall.

Drivers on AZ 89A are noticeably older, with a median age of 56.2 against 36.6 across the county.

Trucks make up 31.6% of traffic on Purple Heart Trail, against 17.5% across all roads in the county.

Few trucks use Milton Road: 4.3% of its traffic, under half the county's 17.5%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1US 89Trunk road · 36,880vehicles2,107trucks · 5.7%
Road class
Trunk road
Congestion ratio
37.2%
Median trip time
28.8 min
Drivers’ median age
35.5 yrs
Drivers’ average income
$92,621

US 89 is one of the more congested roads here: trips take 37% longer than at free-flow speed, against 16% county-wide.

2Milton RoadPrimary road · 34,568vehicles1,485trucks · 4.3%
Road class
Primary road
Congestion ratio
43.9%
Median trip time
26.3 min
Drivers’ median age
36.9 yrs
Drivers’ average income
$70,437

Delays build on Milton Road: its congestion ratio of 44% over free-flow time is well above the county's 16%.

3Santa Fe AvenuePrimary road · 26,878vehicles1,254trucks · 4.7%
Road class
Primary road
Congestion ratio
24.4%
Median trip time
27.6 min
Drivers’ median age
34.9 yrs
Drivers’ average income
$85,285

Santa Fe Avenue carries 4.2 times the county average on its busiest stretch, where the median trip lasts 27.6 minutes.

4AZ 89ATrunk road · 26,466vehicles1,326trucks · 5.0%
Road class
Trunk road
Congestion ratio
33.0%
Median trip time
25.1 min
Drivers’ median age
56.2 yrs
Drivers’ average income
$63,450

At 4.2 times the county average, AZ 89A draws drivers from neighborhoods averaging $63,450 in household income.

5Country Club DriveTrunk road · 25,201vehicles1,460trucks · 5.8%
Road class
Trunk road
Congestion ratio
24.3%
Median trip time
28.7 min
Drivers’ median age
35.0 yrs
Drivers’ average income
$83,042

The busiest stretch of Country Club Drive carries 4.0 times the county average; trucks are 5.8% of it, below the county-wide 17.5%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Purple Heart TrailMotorway · 22,358vehicles7,064trucks · 31.6%
Road class
Motorway
Congestion ratio
21.7%
Median trip time
40.6 min
Drivers’ median age
41.1 yrs
Drivers’ average income
$73,064

Drivers on Purple Heart Trail are on long journeys, a median 40.6 minutes against 30.3 county-wide: a through route more than a local street.

2Arizona Veterans HighwayMotorway · 22,043vehicles3,308trucks · 15.0%
Road class
Motorway
Congestion ratio
24.1%
Median trip time
42.2 min
Drivers’ median age
35.7 yrs
Drivers’ average income
$83,472

Arizona Veterans Highway carries through traffic: the median trip using it lasts 42.2 minutes, against 30.3 for the county.

How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

CoconinoDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Coconino County

The same traffic breakdown for the areas closest to Coconino County, Arizona.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.