
Total Traffic Volume & Performance in Shelby County, Tennessee
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day9,079 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.6 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. | 15.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $92,802 |
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The average monitored road in Shelby County, Tennessee carries 9,079 vehicles per day. Across its 1,843 miles of monitored roads, that adds up to 19,549,134 vehicle-miles traveled per day (≈7.1 billion per year). Trucks are a smaller part of the mix than across Tennessee: 8.5% against 11.3%.
Busier roads than 93% of counties in Tennessee
Shelby sees 25% higher average daily traffic volume than the state average (9,079 vehicles per day against 7,251), suggesting more demand on each road - a busier backdrop for retail sites, at the cost of slower access. Across the whole network, that travel is about 11% of Tennessee's statewide total. By volume, Shelby's 9,079 vehicles per day outpaces 93% of counties in Tennessee.
The average trip takes 31.6 minutes, on par with the state level. Its average travel time of 31.6 minutes is shorter than 69% of counties in Tennessee.
The congestion ratio of 15.3% is in line with the state level.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Shelby County, Tennessee
| Traffic | vehicles per day24,841 |
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| Trucks | 12.8% |
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| Average travel time | 34.2 min |
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| Congestion ratio | 29.1% |
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| Drivers’ average age | 44.5 yrs |
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| Drivers’ average income | $85,443 |
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A significant share of driving in Shelby County, Tennessee, 44% of vehicle-miles, happens on highways. The average highway carries 24,841 vehicles per day, 197% more than the average non-highway road in the same area, which carries 8,365 vehicles per day.
With 17% of the road miles (309 miles in 2,471 segments), highways punch above their length, carrying 8,544,947 vehicle-miles traveled per day (≈3.1 billion per year).
By highway travel volume, that ranks Shelby in the top 3 counties in Tennessee.
More highway trucks than 79% of counties in Tennessee
The concentration of trucks on highways (12.8%) is 18% 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.
52% of counties in Tennessee see a higher highway truck share than Shelby's 12.8%. 79% of counties in Tennessee see fewer highway trucks per day than Shelby's roughly 3,185.

Non-highway Traffic in Shelby County, Tennessee
| Traffic | vehicles per day8,365 |
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| Trucks | 5.1% |
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| Average travel time | 31.5 min |
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| Congestion ratio | 14.7% |
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| Drivers’ average age | 44.4 yrs |
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| Drivers’ average income | $96,877 |
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A little more than half of the driving in Shelby County, Tennessee happens on local roads: 56% of all vehicle-miles. The average non-highway road carries 8,365 vehicles per day.
Spread over 1,535 miles and 54,529 segments, 83% of the road network, local roads carry a lighter load per mile: 11,004,187 vehicle-miles traveled per day (≈4.0 billion per year). Trucks make up 5.1% of non-highway traffic, about 1 in 19 vehicles.
Drivers from higher-income areas than 99% of counties in Tennessee
Non-highway roads carry a truck concentration that's 60% lower than the highway network.
Non-highway congestion here (14.7%) closely tracks the state average.
Shelby's average driver income is higher than 99% of counties in Tennessee. The driver population here skews younger than 95% of counties in Tennessee.