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Fairfax City, Virginia Traffic Counts

This page delivers traffic analytics for Fairfax City, Virginia. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Fairfax City, Virginia among 30 road miles divided in 1,261 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 126 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

Traffic

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

9,661

Trucks

Trucks

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

6.6%

Average travel time

Average travel time

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

32.2 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.

13.1%

Drivers’ average age

Drivers’ average age

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

42.9 yrs

Drivers’ average income

Drivers’ average income

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

$147,539

Our data indicates an estimated average traffic volume of 9,661 vehicles per day in Fairfax City, Virginia that results in 300,905 vehicle-miles traveled per day (≈110 million 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 32.2 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Virginia state averages: At 9,661 vehicles per day, the average monitored road in Fairfax carries 81% more traffic than the state average of 5,349 vehicles per day - a critical factor for logistics and site planning. In total volume terms, its road network carries 300,905 vehicle-miles traveled per day (≈110 million per year), about 0.1% of Virginia's statewide total. Journey times run 2% higher than the state level, at 32.2 minutes on average. The congestion ratio of 13.1% is 22% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Fairfax's 9,661 vehicles per day outpaces 90% of counties in Virginia. Its average travel time of 32.2 minutes is longer than 55% of counties in Virginia.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
non-highway traffic icon

Non-highway traffic

Traffic

Traffic

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

9,661

Trucks

Trucks

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

6.6%

Average travel time

Average travel time

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

32.2 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.

13.1%

Drivers’ average age

Drivers’ average age

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

42.9 yrs

Drivers’ average income

Drivers’ average income

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

$147,539

The non-highway road network in Fairfax City, Virginia supports a substantial volume of traffic. The average non-highway road carries 9,661 vehicles per day. That average covers 30 non-highway road miles divided in 1,261 segments (average segment length 126 ft), together carrying 300,905 vehicle-miles traveled per day (≈110 million per year). Trucks constitute 6.6% of non-highway traffic.

Analytical insight

The non-highway congestion ratio of 13.1% is 16% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 55% of counties in Virginia. 96% of counties in Virginia see lower average driver income among trip origins than Fairfax. The driver population here skews older than 6% of counties in Virginia.

Time-of-Day & Seasonal Patterns

Analytical insight

In Fairfax City, Virginia, the peak hour concentrates about 7% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Fairfax

Virginia
Average

Difference

Traffic

9,661

5,349

+80.6%

Truck % (Total Traffic)

6.6%

9.6%

-30.7%

Truck % (Highway)

13.1%

Avg. Travel Time

32.2 min

31.7 min

+1.8%

How Fairfax City compares

Fairfax City against nearby areas

Against the 4 nearest areas, Fairfax City moves 5.7% of the total daily travel and is 33.9% less congested; it has the second busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Fairfax City and the 4 nearest county-level areas by centroid distance, with the Virginia average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Fairfax City9,6616.6%300,90532.2 min13.1%
Fairfax County, Virginia7,9117.0%18,791,99931.6 min17.5%
Falls Church City, Virginia10,4346.5%129,96534.1 min31.3%
Manassas Park City, Virginia7,6944.5%75,87332.9 min14.2%
Arlington County, Virginia7,7436.3%2,258,17134.9 min16.4%
Virginia average5,3499.6%N/A31.7 min16.8%

Fairfax City ranked within Virginia

Average driver income places Fairfax City #6 of 133 in Virginia - the top quarter of the state.

Where Fairfax City sits among Virginia's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasureFairfax CityVirginia rank
Traffic volume (AADT)9,661#14 of 133
Average travel time32.2 min#60 of 133
Average driver income$147,539#6 of 133
Average driver age42.9 yrs#125 of 133

The two ends of this table sit far apart: #6 of 133 on average driver income, against #125 of 133 on average driver age.

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

VirginiaDepartment of Transportation

Historical traffic pattern databases

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

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Counties near Fairfax City

The same traffic breakdown for the areas closest to Fairfax City, Virginia.

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