This page delivers traffic analytics for Loudoun County, Virginia. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Loudoun County, Virginia among 906 road miles divided in 17,437 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 274 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.
6,716
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.6 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.
20.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$185,824
Our data indicates an estimated average traffic volume of 6,716 vehicles per day in Loudoun County, Virginia that results in 7,945,320 vehicle-miles traveled per day (≈2.9 billion per year). The traffic stream is comprised of an average of 1 truck for every 16 vehicles. Typical time spent behind the wheel per trip is 31.6 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Virginia state averages: At 6,716 vehicles per day, the average monitored road in Loudoun carries 26% more traffic than the state average of 5,349 vehicles per day - a critical factor for logistics and site planning. Network-wide, Loudoun accounts for about 3.6% of Virginia's statewide total, at 7,945,320 vehicle-miles traveled per day (≈2.9 billion per year). At 31.6 minutes, the average travel time matches the state level closely. The congestion ratio of 20.3% is 21% higher, pointing to more pronounced congestion than the state level - crucial for traffic control improvement and logistics planning. 69% of counties in Virginia see less traffic than Loudoun's 6,716 vehicles per day. Its average travel time of 31.6 minutes is longer than 43% of counties in Virginia.
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.
18,421
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
36.3 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.
42.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$175,229
A significant volume of traffic in Loudoun County, Virginia utilizes the highway network. The average highway carries 18,421 vehicles per day, 236% more than the average non-highway road in the same area, which carries 5,489 vehicles per day. That average covers 167 highway road miles divided in 1,655 segments (average segment length 533 ft), together carrying 3,501,833 vehicle-miles traveled per day (≈1.3 billion per year). That puts Loudoun among the top 5 counties in Virginia for highway travel volume. Trucks constitute 7.4% of highway traffic.
Analytical insight
Highway truck concentration here runs 43% lower than the state average, at 7.4% - positioning Loudoun as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 9% of counties in Virginia see a lower highway truck share than Loudoun's 7.4%. Loudoun's highway truck count is higher than 51% of counties in Virginia, at roughly 1,365 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
5,489
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.1 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.
18.0%
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.
$192,415
The non-highway road network in Loudoun County, Virginia supports a substantial volume of traffic. The average non-highway road carries 5,489 vehicles per day, 70% less than the average highway in the same area, which carries 18,421 vehicles per day. That average covers 739 non-highway road miles divided in 15,782 segments (average segment length 247 ft), together carrying 4,443,488 vehicle-miles traveled per day (≈1.6 billion per year). Trucks constitute 5.0% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 32% lower than on highways. At 15% higher than the state level, the non-highway congestion ratio of 18.0% signals more friction on local roads. Overall, average travel time here is longer than 43% of counties in Virginia. Loudoun also has the highest average driver income in Virginia among trip origins - $185,824. Loudoun's median driver age is higher than 14% of counties in Virginia.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 8:00 AM–9:00 AM and PM peak 4:00 PM–7:00 PM, with volumes reaching approximately 76% higher than the daily average.
Weekend traffic:
Weekend volumes run about 14% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +5% versus the annual average.
Lowest month:
January is the quietest month, with volumes -9% versus the annual average.
Analytical insight
In Loudoun County, Virginia, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +5% in high season.
Traffic Flow Profile Comparison
Metric
Loudoun
Virginia
Average
Difference
Traffic
6,716
5,349
+25.6%
Truck % (Total Traffic)
6.1%
9.6%
-36.5%
Truck % (Highway)
7.4%
13.1%
-43.4%
Avg. Travel Time
31.6 min
31.7 min
-0.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 6,716 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Loudoun has the highest average driver income of any county in Virginia, at $185,824.
Drivers on Loudoun roads have a median age of 44 years, and the median household income of the neighborhoods trips originate from averages $185,824 - useful context for retail siting and customer profiling.
Trucks account for approximately 6.1% of the total traffic mix across all road types, with a significantly higher concentration of 7.4% on highways.
Weekday peaks occur between 8:00 AM and 9:00 AM in the morning and between 4:00 PM and 7:00 PM in the evening - about 76% above the daily average.
Approximately 22% of highway traffic and 3% of non-highway traffic consists of vehicles whose trip originates outside Loudoun County, Virginia. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Traffic volumes are typically 5% higher during June–August. Volumes drop to their lowest levels in January, averaging 6,103 vehicles per day - a 9% decrease from the annual average.
The average travel time for drivers is 31.6 minutes, offering a standard metric for commute and delivery route planning.
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)
