
Total Traffic Volume & Performance in Sumner County, Tennessee
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day9,493 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.2 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. | 20.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $89,735 |
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Our data shows 9,493 vehicles per day on the average road in Sumner County, Tennessee, and 3,544,575 vehicle-miles traveled per day (≈1.3 billion per year) across its 342 miles of monitored roads. Trucks are a smaller part of the mix than across Tennessee: 7.7% against 11.3%.
Busier roads than 94% of counties in Tennessee
Sumner sees 31% higher average daily traffic volume than the state average (9,493 vehicles per day against 7,251), suggesting more demand on each road - more exposure for roadside businesses, and more competition for road space. Network-wide, Sumner accounts for about 2.0% of Tennessee's statewide total of vehicle-miles. Sumner carries more traffic than 94% of counties in Tennessee.
The average trip takes 30.2 minutes, 6% lower than the state level. 85% of counties in Tennessee have a longer average travel time than Sumner's 30.2 minutes.
The congestion ratio of 20.9% is 30% higher, pointing to more pronounced congestion than the state level - a factor for delivery windows and signal timing.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Sumner County, Tennessee
| Traffic | vehicles per day14,862 |
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| Trucks | 10.4% |
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| Average travel time | 34.0 min |
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| Congestion ratio | 30.2% |
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| Drivers’ average age | 45.8 yrs |
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| Drivers’ average income | $84,931 |
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Highways carry about half of all travel in Sumner County, Tennessee, 51% of vehicle-miles. The average highway carries 14,862 vehicles per day, 72% more than the average non-highway road in the same area, which carries 8,651 vehicles per day.
Highways make up 30% of the monitored road miles (103 miles, 1,379 segments), so they carry more than their share: 1,797,933 vehicle-miles traveled per day (≈656 million per year).
86% of counties in Tennessee move less traffic on their highways.
Lower highway truck share than 76% of counties in Tennessee
The concentration of trucks on highways (10.4%) is 33% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Sumner's highway truck share (10.4%) is lower than 76% of counties in Tennessee. Sumner's highway truck count is higher than 52% of counties in Tennessee, at roughly 1,547 trucks per day.

Non-highway Traffic in Sumner County, Tennessee
| Traffic | vehicles per day8,651 |
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| Trucks | 4.9% |
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| Average travel time | 29.7 min |
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| Congestion ratio | 19.4% |
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| Drivers’ average age | 46.4 yrs |
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| Drivers’ average income | $93,119 |
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Local roads carry about half of all travel in Sumner County, Tennessee, 49% of vehicle-miles. A typical local road sees 8,651 vehicles per day.
Spread over 238 miles and 8,791 segments, 70% of the road network, local roads carry a lighter load per mile: 1,746,643 vehicle-miles traveled per day (≈638 million per year). The truck share on non-highway roads is 4.9%.
Drivers from higher-income areas than 97% of counties in Tennessee
Compared to highways, non-highway routes see 53% fewer trucks by share.
At 26% higher than the state level, the non-highway congestion ratio of 19.4% signals more friction on local roads.
97% of counties in Tennessee see lower average driver income among trip origins than Sumner. 81% of counties in Tennessee have an older driver population than Sumner.