
Total Traffic Volume & Performance in Davidson County, Tennessee
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day10,990 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.8% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.5 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. | 20.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 42.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $91,814 |
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The average monitored road in Davidson County, Tennessee carries 10,990 vehicles per day. Across its 1,116 miles of monitored roads, that adds up to 19,206,778 vehicle-miles traveled per day (≈7.0 billion per year). About 1 in 10 vehicles is a truck, in line with Tennessee (11.3%).
Busier roads than 99% of counties in Tennessee
Davidson sees 52% higher average daily traffic volume than the state average (10,990 vehicles per day against 7,251), suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. Across the whole network, that travel is about 11% of Tennessee's statewide total. By volume, Davidson's 10,990 vehicles per day outpaces 99% of counties in Tennessee.
Journey times here (32.5 minutes on average) closely track the state level. 51% of counties in Tennessee have a longer average travel time than Davidson's 32.5 minutes.
At 27% higher than the state level, the 20.4% congestion ratio signals more pronounced congestion - a factor for delivery windows and signal timing.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Davidson County, Tennessee
| Traffic | vehicles per day42,016 |
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| Trucks | 12.7% |
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| Average travel time | 38.9 min |
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| Congestion ratio | 57.9% |
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| Drivers’ average age | 42.7 yrs |
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| Drivers’ average income | $89,305 |
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Highways carry more than half of all travel in Davidson County, Tennessee (60% of vehicle-miles). The average highway carries 42,016 vehicles per day, 315% more than the average non-highway road in the same area, which carries 10,114 vehicles per day.
Highways make up 23% of the monitored road miles (255 miles, 1,075 segments), so they carry more than their share: 11,462,118 vehicle-miles traveled per day (≈4.2 billion per year).
No county in Tennessee moves more traffic on its highways.
The most highway trucks of any county in Tennessee
The concentration of trucks on highways (12.7%) is 19% lower than the state average for similar road classifications. Trucks are a small share of a very large highway flow, so Davidson still moves heavy freight volumes alongside its passenger traffic.
54% of counties in Tennessee see a higher highway truck share than Davidson's 12.7%. By raw volume, Davidson carries the highest number of highway trucks in Tennessee - roughly 5,714 trucks per day.

Non-highway Traffic in Davidson County, Tennessee
| Traffic | vehicles per day10,114 |
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| Trucks | 5.4% |
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| Average travel time | 32.3 min |
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| Congestion ratio | 19.4% |
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| Drivers’ average age | 41.8 yrs |
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| Drivers’ average income | $94,917 |
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A significant share of driving in Davidson County, Tennessee, 40% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 10,114 vehicles per day.
Spread over 861 miles and 38,076 segments, 77% of the road network, local roads carry a lighter load per mile: 7,744,660 vehicle-miles traveled per day (≈2.8 billion per year). The truck share on non-highway roads is 5.4%.
Drivers from higher-income areas than 98% of counties in Tennessee
Non-highway roads carry a truck concentration that's 57% lower than the highway network.
The non-highway congestion ratio of 19.4% is 26% higher than the state level, suggesting slower local mobility than the state average.
Davidson's average driver income is higher than 98% of counties in Tennessee. 98% of counties in Tennessee have an older driver population than Davidson.