This page delivers traffic analytics for Cobb County, Georgia. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Cobb County, Georgia among 1,076 road miles divided in 34,478 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 165 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.
12,142
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.
33.1 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.
23.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$113,864
Our data indicates an estimated average traffic volume of 12,142 vehicles per day in Cobb County, Georgia that results in 16,509,931 vehicle-miles traveled per day (≈6.0 billion 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 33.1 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Georgia state averages: At 12,142 vehicles per day, the average monitored road in Cobb carries 64% more traffic than the state average of 7,398 vehicles per day - a critical factor for logistics and site planning. In total volume terms, its road network carries 16,509,931 vehicle-miles traveled per day (≈6.0 billion per year), about 5.9% of Georgia's statewide total. Journey times run 1% lower than the state level, at 33.1 minutes on average. At 38% higher than the state level, the 23.2% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. 99% of counties in Georgia see less traffic than Cobb's 12,142 vehicles per day. Its average travel time of 33.1 minutes is longer than 48% of counties in Georgia.
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.
28,874
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
42.2 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.
46.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$106,103
A significant volume of traffic in Cobb County, Georgia utilizes the highway network. The average highway carries 28,874 vehicles per day, 157% more than the average non-highway road in the same area, which carries 11,216 vehicles per day. That average covers 181 highway road miles divided in 1,809 segments (average segment length 529 ft), together carrying 7,147,340 vehicle-miles traveled per day (≈2.6 billion per year). That puts Cobb among the top 5 counties in Georgia for highway travel volume. Trucks constitute 9.9% of highway traffic.
Analytical insight
Highway truck concentration here runs 27% lower than the state average, at 9.9% - positioning Cobb as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 23% of counties in Georgia see a lower highway truck share than Cobb's 9.9%. 86% of counties in Georgia see fewer highway trucks per day than Cobb's roughly 2,858.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
11,216
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.6 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.
21.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$118,380
The non-highway road network in Cobb County, Georgia supports a substantial volume of traffic. The average non-highway road carries 11,216 vehicles per day, 61% less than the average highway in the same area, which carries 28,874 vehicles per day. That average covers 895 non-highway road miles divided in 32,669 segments (average segment length 145 ft), together carrying 9,362,591 vehicle-miles traveled per day (≈3.4 billion per year). Trucks constitute 4.0% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 59% lower than the highway network. Non-highway congestion (21.9%) runs 35% higher than the state average, pointing to slower local traffic flow. Cobb's overall average travel time exceeds 48% of counties in Georgia. 98% of counties in Georgia see lower average driver income among trip origins than Cobb. Cobb's median driver age is higher than 9% of counties in Georgia.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 71% higher than the daily average.
Weekend traffic:
Weekend volumes run about 15% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +3% versus the annual average.
Lowest month:
January is the quietest month, with volumes -7% versus the annual average.
Analytical insight
In Cobb County, Georgia, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +3% in high season.
Traffic Flow Profile Comparison
Metric
Cobb
Georgia
Average
Difference
Traffic
12,142
7,398
+64.1%
Truck % (Total Traffic)
6.6%
9.7%
-32.2%
Truck % (Highway)
9.9%
13.6%
-27.0%
Avg. Travel Time
33.1 min
33.6 min
-1.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 12,142 vehicles per day, providing a baseline for daily operations and site assessment.
Cobb carries more highway trucks by raw volume than 86% of counties in Georgia, at roughly 2,858 per day.
The average travel time for drivers is 33.1 minutes, offering a standard metric for commute and delivery route planning.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 4:00 PM and 6:00 PM in the evening - about 71% above the daily average.
Approximately 34% of highway traffic and 18% of non-highway traffic consists of vehicles whose trip originates outside Cobb 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.
Traffic volumes are typically 3% higher during August–October. Volumes drop to their lowest levels in January, averaging 11,330 vehicles per day - a 7% decrease from the annual average.
Trucks account for approximately 6.6% of the total traffic mix across all road types, with a significantly higher concentration of 9.9% on highways.
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)
