
Total Traffic Volume & Performance in Nez Perce County, Idaho
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day8,098 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.9 min |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $73,833 |
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A typical monitored road in Nez Perce County, Idaho sees 8,098 vehicles per day, while its 236 miles of monitored roads together handle 1,053,614 vehicle-miles traveled per day (≈385 million per year). About 1 in 16 vehicles is a truck, fewer than the 1 in 10 across Idaho.
Busier roads than 98% of counties in Idaho
At 8,098 vehicles per day, the average monitored road in Nez Perce carries 41% more traffic than the state average of 5,734, suggesting more demand on each road - a busier backdrop for retail sites, at the cost of slower access. In total volume terms, its road network carries about 2.3% of Idaho's statewide total of vehicle-miles. By volume, Nez Perce's 8,098 vehicles per day outpaces 98% of counties in Idaho.
Journey times here (32.9 minutes on average) closely track the state level. Its average travel time of 32.9 minutes is shorter than 56% of counties in Idaho.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Nez Perce County, Idaho
| Traffic | vehicles per day4,884 |
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| Trucks | 9.1% |
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| Average travel time | 36.2 min |
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| Drivers’ average age | 46.4 yrs |
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| Drivers’ average income | $67,693 |
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Highways carry a significant share of travel in Nez Perce County, Idaho: 43% of all vehicle-miles. The average highway carries 4,884 vehicles per day, 45% less than the average non-highway road in the same area, which carries 8,803 vehicles per day.
Their share of road miles is similar, 42% (99 miles in 423 segments), carrying 451,056 vehicle-miles traveled per day (≈165 million per year).
56% of counties in Idaho move less traffic on their highways.
Lower highway truck share than 82% of counties in Idaho
Highway truck concentration here runs 35% lower than the state average, at 9.1%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
82% of counties in Idaho see a higher highway truck share than Nez Perce's 9.1%. By raw truck volume, Nez Perce carries fewer highway trucks than 71% of counties in Idaho.

Non-highway Traffic in Nez Perce County, Idaho
| Traffic | vehicles per day8,803 |
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| Trucks | 4.3% |
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| Average travel time | 32.1 min |
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| Drivers’ average age | 49.3 yrs |
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| Drivers’ average income | $76,250 |
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A little more than half of the driving in Nez Perce County, Idaho happens on local roads: 57% of all vehicle-miles. The average non-highway road carries 8,803 vehicles per day.
Their share of road miles is similar, 58% (137 miles in 1,930 segments), carrying 602,558 vehicle-miles traveled per day (≈220 million per year). The truck share on non-highway roads is 4.3%.
Drivers from higher-income areas than 70% of counties in Idaho
Compared to highways, non-highway routes see 53% fewer trucks by share.
70% of counties in Idaho see lower average driver income among trip origins than Nez Perce. Nez Perce's median driver age is higher than 60% of counties in Idaho.