This page delivers traffic analytics for Johnson County, Tennessee. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Johnson County, Tennessee among 96 road miles divided in 1,081 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 470 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.
3,088
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.
31.7 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.
8.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$55,776
Our data indicates an estimated average traffic volume of 3,088 vehicles per day in Johnson County, Tennessee that results in 231,463 vehicle-miles traveled per day (≈84.5 million 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 31.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Tennessee state averages: Johnson's average daily traffic volume is 57% lower than the state average - 3,088 vehicles per day against 7,251 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 231,463 vehicle-miles traveled per day (≈84.5 million per year), roughly 0.1% of Tennessee's statewide total. The average trip takes 31.7 minutes, 1% lower than the state level. Congestion runs 46% lower than the state level, at a ratio of 8.7% - smoother traffic flow - crucial for traffic control improvement and logistics planning. 27% of counties in Tennessee see less traffic than Johnson's 3,088 vehicles per day. 33% of counties in Tennessee have a shorter average travel time than Johnson's 31.7 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.
5,664
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.1 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.
12.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$56,821
A significant volume of traffic in Johnson County, Tennessee utilizes the highway network. The average highway carries 5,664 vehicles per day, 158% more than the average non-highway road in the same area, which carries 2,197 vehicles per day. That average covers 25 highway road miles divided in 278 segments (average segment length 471 ft), together carrying 99,974 vehicle-miles traveled per day (≈36.5 million per year). Trucks constitute 8.5% of highway traffic.
Analytical insight
At 8.5%, highway truck share is 46% lower than the state average, marking Johnson as a primarily local traffic hub - underscoring the importance of local access for logistics operators. 4% of counties in Tennessee see a lower highway truck share than Johnson's 8.5%. 5% of counties in Tennessee see fewer highway trucks per day than Johnson's roughly 480.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,197
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
30.8 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.
7.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$55,085
The non-highway road network in Johnson County, Tennessee supports a substantial volume of traffic. The average non-highway road carries 2,197 vehicles per day, 61% less than the average highway in the same area, which carries 5,664 vehicles per day. That average covers 71 non-highway road miles divided in 803 segments (average segment length 470 ft), together carrying 131,489 vehicle-miles traveled per day (≈48.0 million per year). Trucks constitute 7.5% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 11% lower than the highway network. Non-highway congestion (7.6%) runs 51% lower than the state average, pointing to smoother local traffic flow. Overall, average travel time here is longer than 33% of counties in Tennessee. Johnson's average driver income exceeds 28% of counties in Tennessee. The driver population here skews older than 49% of counties in Tennessee.
Time-of-Day & Seasonal Patterns
Analytical insight
In Johnson County, Tennessee, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Johnson
Tennessee
Average
Difference
Traffic
3,088
7,251
-57.4%
Truck % (Total Traffic)
7.9%
11.3%
-30.0%
Truck % (Highway)
8.5%
15.6%
-45.7%
Avg. Travel Time
31.7 min
32.1 min
-1.3%
How Johnson County compares
Johnson County against nearby areas
Against the 4 nearest areas, Johnson County is 50.7% less congested and moves 26.8% of the total daily travel; it has the fourth busiest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.
Johnson County and the 4 nearest county-level areas by centroid distance, with the Tennessee average for scale.
Johnson County sits in the bottom quarter of the Tennessee field on truck share on highways, at #83 of 86.
Where Johnson County sits among Tennessee'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.
Measure
Johnson County
Tennessee rank
Traffic volume (AADT)
3,088
#70 of 95
Highway vehicle-miles per day
99,974
#78 of 86
Truck share on highways
8.5%
#83 of 86
Highway trucks per day
480
#82 of 86
Average travel time
31.7 min
#64 of 95
Average driver income
$55,776
#69 of 95
Average driver age
48.4 yrs
#49 of 95
Frequently Asked Questions
The average daily traffic volume is calculated at 3,088 vehicles per day, providing a baseline for daily operations and site assessment.
Trip origins in Johnson have higher average income than 28% of counties in Tennessee.
Drivers on Johnson roads have a median age of 48 years, and the median household income of the neighborhoods trips originate from averages $55,776 - useful context for retail siting and customer profiling.
Trucks account for approximately 7.9% of the total traffic mix across all road types, with a significantly higher concentration of 8.5% on highways.
Approximately 6% of highway traffic and 2% of non-highway traffic consists of vehicles whose trip originates outside Johnson County, Tennessee. 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)
