
Total Traffic Volume & Performance in Johnson County, Kentucky
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,674 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 26.1 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 13.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $47,864 |
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A typical monitored road in Johnson County, Kentucky sees 2,674 vehicles per day, while its 212 miles of monitored roads together handle 425,028 vehicle-miles traveled per day (≈155 million per year). About 1 in 13 vehicles is a truck, fewer than the 1 in 8 across Kentucky.
Shorter trips than 95% of counties in Kentucky
Johnson sees 43% lower average daily traffic volume than the state average (2,674 vehicles per day against 4,696), suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 0.4% of Kentucky's statewide total. Johnson carries more traffic than 58% of counties in Kentucky.
The average trip takes 26.1 minutes, 18% lower than the state level. 95% of counties in Kentucky have a longer average travel time than Johnson's 26.1 minutes.
Congestion is somewhat lower than the state level, at a ratio of 13.4% (9% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Johnson County, Kentucky
| Traffic | vehicles per day3,754 |
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| Trucks | 9.8% |
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| Average travel time | 32.7 min |
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| Congestion ratio | 11.1% |
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| Drivers’ average age | 49.2 yrs |
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| Drivers’ average income | $45,677 |
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A significant share of driving in Johnson County, Kentucky, 44% of vehicle-miles, happens on highways. The average highway carries 3,754 vehicles per day, 50% more than the average non-highway road in the same area, which carries 2,505 vehicles per day.
With 25% of the road miles (53 miles in 233 segments), highways punch above their length, carrying 185,710 vehicle-miles traveled per day (≈67.8 million per year).
Fewer highway trucks than 94% of counties in Kentucky
At 9.8%, highway truck share is 38% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Johnson's highway truck share (9.8%) is lower than 87% of counties in Kentucky. By raw truck volume, Johnson carries fewer highway trucks than 94% of counties in Kentucky.

Non-highway Traffic in Johnson County, Kentucky
| Traffic | vehicles per day2,505 |
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| Trucks | 5.9% |
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| Average travel time | 25.1 min |
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| Congestion ratio | 13.8% |
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| Drivers’ average age | 49.0 yrs |
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| Drivers’ average income | $49,062 |
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Local roads carry more than half of all travel in Johnson County, Kentucky (56% of vehicle-miles). On the average non-highway road, that comes to 2,505 vehicles per day.
Spread over 159 miles and 1,491 segments, 75% of the road network, local roads carry a lighter load per mile: 239,318 vehicle-miles traveled per day (≈87.4 million per year). About 1 in 17 vehicles on non-highway roads is a truck (5.9%).
Drivers from lower-income areas than 82% of counties in Kentucky
Compared to highways, non-highway routes see 40% fewer trucks by share.
The non-highway congestion ratio of 13.8% is in line with the state level.
82% of counties in Kentucky see higher average driver income among trip origins than Johnson. 68% of counties in Kentucky have a younger driver population than Johnson.