
Total Traffic Volume & Performance in Sumter County, Georgia
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,097 |
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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. | 36.8 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. | 9.5% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $51,000 |
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A typical monitored road in Sumter County, Georgia sees 3,097 vehicles per day, while its 350 miles of monitored roads together handle 623,314 vehicle-miles traveled per day (≈228 million per year). Trucks are 8.5% of traffic, close to the 9.7% across Georgia.
Longer trips than 84% of counties in Georgia
Sumter sees 58% lower average daily traffic volume than the state average (3,097 vehicles per day against 7,398), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.2% of Georgia's statewide total of vehicle-miles. By volume, Sumter's 3,097 vehicles per day trails 59% of counties in Georgia.
The average trip takes 36.8 minutes, 10% higher than the state level. 84% of counties in Georgia have a shorter average travel time than Sumter's 36.8 minutes.
The congestion ratio of 9.5% is 43% 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 Sumter County, Georgia
| Traffic | vehicles per day5,988 |
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| Trucks | 9.7% |
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| Average travel time | 37.0 min |
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| Congestion ratio | 13.4% |
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| Drivers’ average age | 45.6 yrs |
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| Drivers’ average income | $51,707 |
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Highways carry about half of all travel in Sumter County, Georgia, 51% of vehicle-miles. The average highway carries 5,988 vehicles per day, 190% more than the average non-highway road in the same area, which carries 2,062 vehicles per day.
With 21% of the road miles (75 miles in 700 segments), highways punch above their length, carrying 316,123 vehicle-miles traveled per day (≈115 million per year).
Lower highway truck share than 82% of counties in Georgia
Highway truck concentration here runs 29% lower than the state average, at 9.7%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 82% of counties in Georgia. By raw truck volume, Sumter carries fewer highway trucks than 82% of counties in Georgia.

Non-highway Traffic in Sumter County, Georgia
| Traffic | vehicles per day2,062 |
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| Trucks | 7.3% |
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| Average travel time | 36.7 min |
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| Congestion ratio | 8.1% |
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| Drivers’ average age | 44.9 yrs |
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| Drivers’ average income | $50,245 |
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Local roads carry about half of all travel in Sumter County, Georgia, 49% of vehicle-miles. The average non-highway road carries 2,062 vehicles per day.
Spread over 275 miles and 1,955 segments, 79% of the road network, local roads carry a lighter load per mile: 307,191 vehicle-miles traveled per day (≈112 million per year). About 1 in 14 vehicles on non-highway roads is a truck (7.3%).
Drivers from lower-income areas than 91% of counties in Georgia
The concentration of trucks on non-highway roads is 25% lower than on highways.
At 50% lower than the state level, the non-highway congestion ratio of 8.1% signals easier movement on local roads.
Sumter's average driver income is lower than 91% of counties in Georgia. 66% of counties in Georgia have an older driver population than Sumter.