
Total Traffic Volume & Performance in Aurora County, South Dakota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,109 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 15.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 37.3 min |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $71,518 |
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A typical monitored road in Aurora County, South Dakota sees 1,109 vehicles per day, while its 126 miles of monitored roads together handle 376,657 vehicle-miles traveled per day (≈137 million per year). Freight weighs heavily here: trucks are 15.5% of traffic, against 10.3% across South Dakota.
Traffic 65% below the South Dakota average
At 1,109 vehicles per day, the average monitored road in Aurora carries 65% less traffic than the state average of 3,156, 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 1.5% of South Dakota's statewide total of vehicle-miles. 51% of counties in South Dakota see less traffic than Aurora's 1,109 vehicles per day.
The average trip takes 37.3 minutes, 15% higher than the state level. On travel time, Aurora runs longer than 51% of counties in South Dakota.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Aurora County, South Dakota
| Traffic | vehicles per day4,913 |
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| Trucks | 16.3% |
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| Average travel time | 51.3 min |
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| Drivers’ average age | 48.8 yrs |
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| Drivers’ average income | $70,434 |
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The vast majority of driving in Aurora County, South Dakota happens on highways: 85% of all vehicle-miles. The average highway carries 4,913 vehicles per day, 518% more than the average non-highway road in the same area, which carries 795 vehicles per day.
Highways make up 47% of the monitored road miles (59 miles, 40 segments), so they carry more than their share: 320,133 vehicle-miles traveled per day (≈117 million per year).
By highway travel volume, Aurora outranks 77% of counties in South Dakota.
More highway trucks than 90% of counties in South Dakota
Highway truck concentration here runs 20% higher than the state average, at 16.3%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Aurora's highway truck share (16.3%) is higher than 81% of counties in South Dakota. 90% of counties in South Dakota see fewer highway trucks per day than Aurora's roughly 800.

Non-highway Traffic in Aurora County, South Dakota
| Traffic | vehicles per day795 |
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| Trucks | 11.2% |
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| Average travel time | 36.1 min |
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| Drivers’ average age | 49.4 yrs |
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| Drivers’ average income | $74,881 |
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At 15% of vehicle-miles, local roads carry a smaller share of the traffic in Aurora County, South Dakota than highways. On the average non-highway road, that comes to 795 vehicles per day.
Spread over 67 miles and 485 segments, 53% of the road network, local roads carry a lighter load per mile: 56,524 vehicle-miles traveled per day (≈20.6 million per year). The truck share on non-highway roads is 11.2%.
Local roads carry 31% fewer trucks by share than highways
The concentration of trucks on non-highway roads is 31% lower than on highways.
Trip origins here have lower average income than 51% of counties in South Dakota. 57% of counties in South Dakota have an older driver population than Aurora.