
Total Traffic Volume & Performance in Power County, Idaho
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,964 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 13.9% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.0 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. | 7.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $72,469 |
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A typical monitored road in Power County, Idaho sees 1,964 vehicles per day, while its 186 miles of monitored roads together handle 598,769 vehicle-miles traveled per day (≈219 million per year). Trucks are 13.9% of traffic, more than the 9.7% across Idaho.
Shorter trips than 93% of counties in Idaho
Power sees 66% lower average daily traffic volume than the state average (1,964 vehicles per day against 5,734), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Power accounts for about 1.3% of Idaho's statewide total of vehicle-miles. By volume, Power's 1,964 vehicles per day trails 84% of counties in Idaho.
Journey times run 14% lower than the state level, at 29.0 minutes on average. 93% of counties in Idaho have a longer average travel time than Power's 29.0 minutes.
At 52% lower than the state level, the 7.7% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Power County, Idaho
| Traffic | vehicles per day5,539 |
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| Trucks | 15.2% |
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| Average travel time | 51.3 min |
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| Congestion ratio | 13.2% |
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| Drivers’ average age | 43.7 yrs |
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| Drivers’ average income | $69,203 |
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The vast majority of driving in Power County, Idaho happens on highways: 84% of all vehicle-miles. The average highway carries 5,539 vehicles per day, 255% more than the average non-highway road in the same area, which carries 1,560 vehicles per day.
Highways make up 48% of the monitored road miles (89 miles, 106 segments), so they carry more than their share: 502,055 vehicle-miles traveled per day (≈183 million per year).
That is more highway travel volume than 62% of counties in Idaho.
Higher highway truck share than 76% of counties in Idaho
At 15.2%, highway truck share is 8% higher than the state average. The highway traffic mix is typical for Idaho: neither freight- nor commuter-dominated.
Power's highway truck share (15.2%) is higher than 76% of counties in Idaho. By raw truck volume, Power carries more highway trucks than 59% of counties in Idaho.

Non-highway Traffic in Power County, Idaho
| Traffic | vehicles per day1,560 |
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| Trucks | 7.1% |
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| Average travel time | 26.4 min |
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| Congestion ratio | 7.1% |
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| Drivers’ average age | 44.6 yrs |
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| Drivers’ average income | $78,836 |
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At 16% of vehicle-miles, local roads carry a smaller share of the traffic in Power County, Idaho than highways. On the average non-highway road, that comes to 1,560 vehicles per day.
Spread over 97 miles and 939 segments, 52% of the road network, local roads carry a lighter load per mile: 96,714 vehicle-miles traveled per day (≈35.3 million per year). Trucks make up 7.1% of non-highway traffic, about 1 in 14 vehicles.
Local congestion 56% below the Idaho average
Compared to highways, non-highway routes see 53% fewer trucks by share.
The non-highway congestion ratio of 7.1% is 56% lower than the state level, suggesting more efficient local mobility than the state average.
60% of counties in Idaho see lower average driver income among trip origins than Power. The driver population here skews younger than 65% of counties in Idaho.