This page delivers traffic analytics for Johnson County, Kansas. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Johnson County, Kansas among 1,275 road miles divided in 28,475 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 236 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.
6,010
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.
29.0 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.
18.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
45.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$123,984
Our data indicates an estimated average traffic volume of 6,010 vehicles per day in Johnson County, Kansas that results in 10,519,966 vehicle-miles traveled per day (≈3.8 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 29.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Kansas state averages: Johnson's average daily traffic volume is 42% higher than the state average - 6,010 vehicles per day against 4,243 - suggesting more traffic load per road, a critical factor for logistics and site planning. Network-wide, Johnson accounts for about 14% of Kansas's statewide total, at 10,519,966 vehicle-miles traveled per day (≈3.8 billion per year). The average trip takes 29.0 minutes, 9% lower than the state level. At 9% higher than the state level, the 18.6% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. 97% of counties in Kansas see less traffic than Johnson's 6,010 vehicles per day. On travel time, Johnson runs longer than 1% of counties in Kansas.
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.
18,607
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.3 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.
36.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$115,992
A significant volume of traffic in Johnson County, Kansas utilizes the highway network. The average highway carries 18,607 vehicles per day, 255% more than the average non-highway road in the same area, which carries 5,238 vehicles per day. That average covers 249 highway road miles divided in 1,645 segments (average segment length 798 ft), together carrying 5,080,984 vehicle-miles traveled per day (≈1.9 billion per year). That is the most highway travel volume of any county in Kansas. Trucks constitute 8.3% of highway traffic.
Analytical insight
Highway truck concentration here runs 42% lower than the state average, at 8.3% - positioning Johnson as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Johnson's highway truck share (8.3%) is higher than 1% of counties in Kansas. 93% of counties in Kansas see fewer highway trucks per day than Johnson's roughly 1,544.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
5,238
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.
28.9 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.
17.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
45.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$130,907
The non-highway road network in Johnson County, Kansas supports a substantial volume of traffic. The average non-highway road carries 5,238 vehicles per day, 72% less than the average highway in the same area, which carries 18,607 vehicles per day. That average covers 1,027 non-highway road miles divided in 26,830 segments (average segment length 202 ft), together carrying 5,438,983 vehicle-miles traveled per day (≈2.0 billion per year). Trucks constitute 4.0% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 51% lower than the highway network. At 7% higher than the state level, the non-highway congestion ratio of 17.6% signals more friction on local roads. Overall, average travel time here is longer than 1% of counties in Kansas. At $123,984, the average driver income for trips originating here is the highest in Kansas. The driver population here skews older than 21% of counties in Kansas.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 77% higher than the daily average.
Weekend traffic:
Weekend volumes run about 15% below weekday levels.
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +4% versus the annual average.
Lowest month:
November is the quietest month, with volumes -5% versus the annual average.
Analytical insight
In Johnson County, Kansas, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +4% in high season.
Traffic Flow Profile Comparison
Metric
Johnson
Kansas
Average
Difference
Traffic
6,010
4,243
+41.6%
Truck % (Total Traffic)
6.1%
10.2%
-40.3%
Truck % (Highway)
8.3%
14.4%
-42.4%
Avg. Travel Time
29.0 min
31.8 min
-8.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 6,010 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Johnson has the highest average driver income of any county in Kansas, at $123,984.
The average travel time for drivers is 29.0 minutes, offering a standard metric for commute and delivery route planning.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 77% above the daily average.
Approximately 22% of highway traffic and 3% of non-highway traffic consists of vehicles whose trip originates outside Johnson County, Kansas. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Drivers on Johnson roads have a median age of 45 years, and the median household income of the neighborhoods trips originate from averages $123,984 - useful context for retail siting and customer profiling.
Traffic volumes are typically 4% higher during April–June. Volumes drop to their lowest levels in November, averaging 5,704 vehicles per day - a 5% decrease from the annual average.
Trucks account for approximately 6.1% of the total traffic mix across all road types, with a significantly higher concentration of 8.3% 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)
