This page delivers traffic analytics for District of Columbia. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for District of Columbia among 539 road miles divided in 21,067 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 135 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.
8,168
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
38.8 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.
21.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
39.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$123,449
Our data indicates an estimated average traffic volume of 8,168 vehicles per day in District of Columbia that results in 4,142,343 vehicle-miles traveled per day (≈1.5 billion per year). The traffic stream is comprised of an average of 1 truck for every 17 vehicles. Typical time spent behind the wheel per trip is 38.8 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the District of Columbia state averages: At 8,168 vehicles per day, the average road in District of Columbia tracks closely with the state average of 8,168 vehicles per day - a critical factor for logistics and site planning. Network-wide, District of Columbia accounts for about 100% of District of Columbia's statewide total, at 4,142,343 vehicle-miles traveled per day (≈1.5 billion per year). The average trip takes 38.8 minutes, on par with the state level. Congestion here (21.6%) closely tracks the state level.
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.
15,983
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.
38.4 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.
30.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
39.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$119,655
A significant volume of traffic in District of Columbia utilizes the highway network. The average highway carries 15,983 vehicles per day, 112% more than the average non-highway road in the same area, which carries 7,543 vehicles per day. That average covers 75 highway road miles divided in 1,560 segments (average segment length 255 ft), together carrying 1,051,152 vehicle-miles traveled per day (≈384 million per year). Trucks constitute 7.4% of highway traffic.
Analytical insight
At 7.4%, the highway truck share matches the state average for similar road classifications.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
7,543
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
38.8 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.
20.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
38.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$124,268
The non-highway road network in District of Columbia supports a substantial volume of traffic. The average non-highway road carries 7,543 vehicles per day, 53% less than the average highway in the same area, which carries 15,983 vehicles per day. That average covers 464 non-highway road miles divided in 19,507 segments (average segment length 126 ft), together carrying 3,091,191 vehicle-miles traveled per day (≈1.1 billion per year). Trucks constitute 5.6% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 25% lower than the highway network. The non-highway congestion ratio of 20.9% is in line with the state level.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 12:00 PM–7:00 PM, with volumes reaching approximately 48% higher than the daily average.
Weekend traffic:
Weekend volumes run about 14% below weekday levels.
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +3% versus the annual average.
Lowest month:
January is the quietest month, with volumes -9% versus the annual average.
Analytical insight
In District of Columbia, the peak hour concentrates about 6% of the day's traffic, and seasonal swing is mild at +3% in high season.
Traffic Flow Profile Comparison
Metric
District of Columbia
District of Columbia
Average
Difference
Traffic
8,168
8,168
+0.0%
Truck % (Total Traffic)
6.0%
6.0%
+0.0%
Truck % (Highway)
7.4%
7.4%
+0.0%
Avg. Travel Time
38.8 min
38.8 min
+0.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 8,168 vehicles per day, providing a baseline for daily operations and site assessment.
The average travel time for drivers is 38.8 minutes, offering a standard metric for commute and delivery route planning.
Approximately 13% of highway traffic and 5% of non-highway traffic consists of vehicles whose trip originates outside District of Columbia. 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 12:00 PM and 7:00 PM in the evening - about 48% above the daily average.
Trucks account for approximately 6.0% of the total traffic mix across all road types, with a significantly higher concentration of 7.4% on highways.
Traffic volumes are typically 3% higher during April–June. Volumes drop to their lowest levels in January, averaging 7,427 vehicles per day - a 9% decrease from the annual average.
Drivers on District of Columbia roads have a median age of 39 years, and the median household income of the neighborhoods trips originate from averages $123,449 - useful context for retail siting and customer profiling.
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)
