This page delivers traffic analytics for DeKalb County, Georgia. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for DeKalb County, Georgia among 837 road miles divided in 28,777 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 154 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.
14,177
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.7 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.
27.0%
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.
$94,727
Our data indicates an estimated average traffic volume of 14,177 vehicles per day in DeKalb County, Georgia that results in 17,970,158 vehicle-miles traveled per day (≈6.6 billion per year). The traffic stream is comprised of an average of 1 truck for every 13 vehicles. Typical time spent behind the wheel per trip is 34.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Georgia state averages: DeKalb sees 92% higher average daily traffic volume than the state average (14,177 vehicles per day against 7,398), suggesting more demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 17,970,158 vehicle-miles traveled per day (≈6.6 billion per year), roughly 6.4% of Georgia's statewide total. The average trip takes 34.7 minutes, 3% higher than the state level. At 60% higher than the state level, the 27.0% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. DeKalb stands out as having the highest traffic volume in Georgia - 14,177 vehicles per day. 65% of counties in Georgia have a shorter average travel time than DeKalb's 34.7 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.
45,110
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
43.8 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.
57.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$91,256
A significant volume of traffic in DeKalb County, Georgia utilizes the highway network. The average highway carries 45,110 vehicles per day, 251% more than the average non-highway road in the same area, which carries 12,870 vehicles per day. That average covers 175 highway road miles divided in 1,167 segments (average segment length 792 ft), together carrying 10,774,081 vehicle-miles traveled per day (≈3.9 billion per year). By highway travel volume, that ranks DeKalb in the top 3 counties in Georgia. Trucks constitute 10.1% of highway traffic.
Analytical insight
Highway truck concentration here runs 25% lower than the state average, at 10.1% - positioning DeKalb as a primarily local traffic hub. For logistics operators, this validates the importance of local access. DeKalb's highway truck share (10.1%) is higher than 24% of counties in Georgia. DeKalb's highway truck count is higher than 97% of counties in Georgia, at roughly 4,574 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
12,870
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.3 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.
25.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$99,735
The non-highway road network in DeKalb County, Georgia supports a substantial volume of traffic. The average non-highway road carries 12,870 vehicles per day, 71% less than the average highway in the same area, which carries 45,110 vehicles per day. That average covers 662 non-highway road miles divided in 27,610 segments (average segment length 127 ft), together carrying 7,196,077 vehicle-miles traveled per day (≈2.6 billion per year). Trucks constitute 4.5% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 56% lower than on highways. The non-highway congestion ratio of 25.7% is 59% higher than the state level, suggesting slower local mobility than the state average. Overall, average travel time here is longer than 65% of counties in Georgia. DeKalb's average driver income exceeds 93% of counties in Georgia. The driver population here skews older than 6% of counties in Georgia.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 12:00 PM–7:00 PM, with volumes reaching approximately 59% higher than the daily average.
Weekend traffic:
Weekend volumes run about 14% below weekday levels.
Seasonal Fluctuation
Busy season:
March–May is the high season, with volumes +2% versus the annual average.
Lowest month:
January is the quietest month, with volumes -6% versus the annual average.
Analytical insight
In DeKalb County, Georgia, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +2% in high season.
Traffic Flow Profile Comparison
Metric
DeKalb
Georgia
Average
Difference
Traffic
14,177
7,398
+91.6%
Truck % (Total Traffic)
7.9%
9.7%
-18.8%
Truck % (Highway)
10.1%
13.6%
-25.3%
Avg. Travel Time
34.7 min
33.6 min
+3.4%
Frequently Asked Questions
The average daily traffic volume is calculated at 14,177 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - DeKalb has the highest average traffic volume of any county in Georgia, at 14,177 vehicles per day.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 12:00 PM and 7:00 PM in the evening - about 59% above the daily average.
The average travel time for drivers is 34.7 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 7.9% of the total traffic mix across all road types, with a significantly higher concentration of 10.1% on highways.
Drivers on DeKalb roads have a median age of 43 years, and the median household income of the neighborhoods trips originate from averages $94,727 - useful context for retail siting and customer profiling.
Approximately 53% of highway traffic and 13% of non-highway traffic consists of vehicles whose trip originates outside DeKalb County, Georgia. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
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)
