
Total Traffic Volume & Performance in Unicoi County, Tennessee
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,272 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.0 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. | 9.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $56,091 |
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The average monitored road in Unicoi County, Tennessee carries 3,272 vehicles per day. Across its 106 miles of monitored roads, that adds up to 486,434 vehicle-miles traveled per day (≈178 million per year). About 1 in 9 vehicles is a truck, in line with Tennessee (11.3%).
Traffic 55% below the Tennessee average
Unicoi's average daily traffic volume is 55% lower than the state average - 3,272 vehicles per day against 7,251 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.3% of Tennessee's statewide total of vehicle-miles. By volume, Unicoi's 3,272 vehicles per day trails 68% of counties in Tennessee.
The average trip takes 33.0 minutes, on par with the state level. 60% of counties in Tennessee have a shorter average travel time than Unicoi's 33.0 minutes.
The congestion ratio of 9.3% is 42% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Unicoi County, Tennessee
| Traffic | vehicles per day6,846 |
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| Trucks | 13.6% |
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| Average travel time | 45.5 min |
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| Congestion ratio | 14.3% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $58,526 |
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Highways carry most of the traffic in Unicoi County, Tennessee: 77% of all vehicle-miles. The average highway carries 6,846 vehicles per day, 150% more than the average non-highway road in the same area, which carries 2,742 vehicles per day.
With 50% of the road miles (53 miles in 160 segments), highways punch above their length, carrying 374,099 vehicle-miles traveled per day (≈137 million per year).
A typical mix of freight and passenger traffic
Highway truck concentration here runs 13% lower than the state average, at 13.6%. The highway traffic mix is typical for Tennessee: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 54% of counties in Tennessee. By raw truck volume, Unicoi carries fewer highway trucks than 55% of counties in Tennessee.

Non-highway Traffic in Unicoi County, Tennessee
| Traffic | vehicles per day2,742 |
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| Trucks | 5.5% |
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| Average travel time | 31.2 min |
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| Congestion ratio | 8.6% |
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| Drivers’ average age | 51.3 yrs |
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| Drivers’ average income | $53,065 |
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At 23% of vehicle-miles, local roads carry a smaller share of the traffic in Unicoi County, Tennessee than highways. On the average non-highway road, that comes to 2,742 vehicles per day.
Spread over 53 miles and 1,080 segments, 50% of the road network, local roads carry a lighter load per mile: 112,334 vehicle-miles traveled per day (≈41.0 million per year). About 1 in 18 vehicles on non-highway roads is a truck (5.5%).
Older drivers than 73% of counties in Tennessee
Non-highway roads carry a truck concentration that's 59% lower than the highway network.
At 44% lower than the state level, the non-highway congestion ratio of 8.6% signals easier movement on local roads.
Trip origins here have lower average income than 70% of counties in Tennessee. The driver population here skews older than 73% of counties in Tennessee.