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Traffic | vehicles per day2,285 |
|---|---|
Trucks | 11.2% |
Average travel time | 31.3 min |
Drivers’ average age | 51.2 yrs |
Drivers’ average income | $72,186 |
The average monitored road in Grant County, South Dakota carries 2,285 vehicles per day. Across its 168 miles of monitored roads, that adds up to 218,622 vehicle-miles traveled per day (≈79.8 million per year). About 1 in 9 vehicles is a truck, in line with South Dakota (10.3%).
At 2,285 vehicles per day, the average monitored road in Grant carries 28% less traffic than the state average of 3,156, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. In total volume terms, its road network carries about 0.9% of South Dakota's statewide total of vehicle-miles. 77% of counties in South Dakota see less traffic than Grant's 2,285 vehicles per day.
At 31.3 minutes, the average travel time matches the state level closely. Its average travel time of 31.3 minutes is shorter than 83% of counties in South Dakota.
| Traffic | vehicles per day4,228 |
|---|---|
| Trucks | 13.8% |
| Average travel time | 31.9 min |
| Drivers’ average age | 51.3 yrs |
| Drivers’ average income | $70,495 |
Highways carry more than half of all travel in Grant County, South Dakota (60% of vehicle-miles). The average highway carries 4,228 vehicles per day, 269% more than the average non-highway road in the same area, which carries 1,144 vehicles per day.
Highways make up 31% of the monitored road miles (52 miles, 246 segments), so they carry more than their share: 131,056 vehicle-miles traveled per day (≈47.8 million per year).
Highway truck concentration here (13.8%) closely tracks the state average for similar road classifications. The highway traffic mix is typical for South Dakota: neither freight- nor commuter-dominated.
56% of counties in South Dakota see a higher highway truck share than Grant's 13.8%. Grant's highway truck count is higher than 56% of counties in South Dakota, at roughly 584 trucks per day.
| Traffic | vehicles per day1,144 |
|---|---|
| Trucks | 7.3% |
| Average travel time | 31.0 min |
| Drivers’ average age | 50.6 yrs |
| Drivers’ average income | $74,482 |
A significant share of driving in Grant County, South Dakota, 40% of vehicle-miles, happens on local roads. A typical local road sees 1,144 vehicles per day.
Local roads make up 69% of the monitored road miles (116 miles in 419 segments) but carry less than their share of travel: 87,566 vehicle-miles traveled per day (≈32.0 million per year). About 1 in 14 vehicles on non-highway roads is a truck (7.3%).
Compared to highways, non-highway routes see 47% fewer trucks by share.
51% of counties in South Dakota see lower average driver income among trip origins than Grant. Grant's median driver age is higher than 65% of counties in South Dakota.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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