
Total Traffic Volume & Performance in Spartanburg County, South Carolina
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,923 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.7 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. | 17.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.8 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $72,399 |
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The average monitored road in Spartanburg County, South Carolina carries 7,923 vehicles per day. Across its 1,159 miles of monitored roads, that adds up to 10,246,316 vehicle-miles traveled per day (≈3.7 billion per year). About 1 in 10 vehicles is a truck, in line with South Carolina (9.5%).
Busier roads than 78% of counties in South Carolina
At 7,923 vehicles per day, the average road in Spartanburg carries somewhat more traffic than the state average of 7,040 (13% more) - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 7.0% of South Carolina's statewide total of vehicle-miles. By volume, Spartanburg's 7,923 vehicles per day outpaces 78% of counties in South Carolina.
Journey times here (32.7 minutes on average) closely track the state level. 76% of counties in South Carolina have a longer average travel time than Spartanburg's 32.7 minutes.
The congestion ratio of 17.2% runs slightly lower than the state level (5% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Spartanburg County, South Carolina
| Traffic | vehicles per day18,319 |
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| Trucks | 16.4% |
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| Average travel time | 41.6 min |
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| Congestion ratio | 28.3% |
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| Drivers’ average age | 45.8 yrs |
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| Drivers’ average income | $71,075 |
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A significant share of driving in Spartanburg County, South Carolina, 45% of vehicle-miles, happens on highways. The average highway carries 18,319 vehicles per day, 145% more than the average non-highway road in the same area, which carries 7,474 vehicles per day.
Highways make up 18% of the monitored road miles (210 miles, 1,300 segments), so they carry more than their share: 4,565,963 vehicle-miles traveled per day (≈1.7 billion per year).
No more than 4 other counties in South Carolina move more traffic on their highways.
More highway trucks than 86% of counties in South Carolina
The concentration of trucks on highways (16.4%) is 20% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 60% of counties in South Carolina. Spartanburg's highway truck count is higher than 86% of counties in South Carolina, at roughly 2,997 trucks per day.

Non-highway Traffic in Spartanburg County, South Carolina
| Traffic | vehicles per day7,474 |
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| Trucks | 5.3% |
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| Average travel time | 32.3 min |
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| Congestion ratio | 16.7% |
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| Drivers’ average age | 45.8 yrs |
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| Drivers’ average income | $73,056 |
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A little more than half of the driving in Spartanburg County, South Carolina happens on local roads: 55% of all vehicle-miles. On the average non-highway road, that comes to 7,474 vehicles per day.
Spread over 949 miles and 30,072 segments, 82% of the road network, local roads carry a lighter load per mile: 5,680,353 vehicle-miles traveled per day (≈2.1 billion per year). The truck share on non-highway roads is 5.3%.
Younger drivers than 78% of counties in South Carolina
The concentration of trucks on non-highway roads is 68% lower than on highways.
At 16.7%, the non-highway congestion ratio matches the state level closely.
Trip origins here have higher average income than 71% of counties in South Carolina. Spartanburg's median driver age is lower than 78% of counties in South Carolina.