
Total Traffic Volume & Performance in Jefferson County, Tennessee
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,707 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 17.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.3 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. | 12.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $65,698 |
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Our data shows 5,707 vehicles per day on the average road in Jefferson County, Tennessee, and 2,559,378 vehicle-miles traveled per day (≈934 million per year) across its 283 miles of monitored roads. About 1 in 6 vehicles is a truck, well above the 11.3% across Tennessee - a freight-heavy mix.
Longer trips than 76% of counties in Tennessee
At 5,707 vehicles per day, the average monitored road in Jefferson carries 21% less traffic than the state average of 7,251, suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 1.4% of Tennessee's statewide total of vehicle-miles. Jefferson carries more traffic than 74% of counties in Tennessee.
At 34.3 minutes, the average travel time is 7% higher than the state level. On travel time, Jefferson runs longer than 76% of counties in Tennessee.
Congestion runs 22% lower than the state level, at a ratio of 12.6%, which means smoother traffic flow - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jefferson County, Tennessee
| Traffic | vehicles per day11,787 |
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| Trucks | 20.5% |
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| Average travel time | 46.0 min |
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| Congestion ratio | 21.3% |
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| Drivers’ average age | 49.2 yrs |
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| Drivers’ average income | $65,368 |
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Most travel in Jefferson County, Tennessee happens on highways, 80% of all vehicle-miles. The average highway carries 11,787 vehicles per day, 213% more than the average non-highway road in the same area, which carries 3,763 vehicles per day.
Highways make up 42% of the monitored road miles (118 miles, 609 segments), so they carry more than their share: 2,043,630 vehicle-miles traveled per day (≈746 million per year).
By highway travel volume, Jefferson outranks 88% of counties in Tennessee.
More highway trucks than 78% of counties in Tennessee
At 20.5%, highway truck share is 31% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
76% of counties in Tennessee see a lower highway truck share than Jefferson's 20.5%. By raw truck volume, Jefferson carries more highway trucks than 78% of counties in Tennessee.

Non-highway Traffic in Jefferson County, Tennessee
| Traffic | vehicles per day3,763 |
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| Trucks | 6.7% |
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| Average travel time | 30.5 min |
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| Congestion ratio | 9.8% |
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| Drivers’ average age | 50.5 yrs |
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| Drivers’ average income | $66,413 |
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At 20% of vehicle-miles, local roads carry a smaller share of the traffic in Jefferson County, Tennessee than highways. The average non-highway road carries 3,763 vehicles per day.
Local roads make up 58% of the monitored road miles (164 miles in 1,904 segments) but carry less than their share of travel: 515,748 vehicle-miles traveled per day (≈188 million per year). Trucks make up 6.7% of non-highway traffic, about 1 in 15 vehicles.
Drivers from higher-income areas than 69% of counties in Tennessee
The concentration of trucks on non-highway roads is 67% lower than on highways.
At 37% lower than the state level, the non-highway congestion ratio of 9.8% signals easier movement on local roads.
Trip origins here have higher average income than 69% of counties in Tennessee. 69% of counties in Tennessee have a younger driver population than Jefferson.