
Total Traffic Volume & Performance in Payette County, Idaho
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,588 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 13.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.0 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. | 9.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $69,459 |
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The average monitored road in Payette County, Idaho carries 3,588 vehicles per day. Across its 122 miles of monitored roads, that adds up to 781,121 vehicle-miles traveled per day (≈285 million per year). At 13.5%, the truck share runs above the 9.7% across Idaho: about 1 in 7 vehicles.
Congestion 41% below the Idaho average
Payette sees 37% lower average daily traffic volume than the state average (3,588 vehicles per day against 5,734), suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Across the whole network, that travel is about 1.7% of Idaho's statewide total. Payette carries more traffic than 60% of counties in Idaho.
Journey times here (35.0 minutes on average) closely track the state level. 58% of counties in Idaho have a shorter average travel time than Payette's 35.0 minutes.
At 41% lower than the state level, the 9.4% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Payette County, Idaho
| Traffic | vehicles per day7,456 |
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| Trucks | 14.8% |
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| Average travel time | 39.3 min |
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| Congestion ratio | 17.4% |
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| Drivers’ average age | 46.5 yrs |
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| Drivers’ average income | $68,145 |
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The vast majority of driving in Payette County, Idaho happens on highways: 85% of all vehicle-miles. The average highway carries 7,456 vehicles per day, 232% more than the average non-highway road in the same area, which carries 2,246 vehicles per day.
With 52% of the road miles (63 miles in 490 segments), highways punch above their length, carrying 662,058 vehicle-miles traveled per day (≈242 million per year).
That is more highway travel volume than 71% of counties in Idaho.
More highway trucks than 76% of counties in Idaho
At 14.8%, highway truck share is 5% higher than the state average. The highway traffic mix is typical for Idaho: neither freight- nor commuter-dominated.
74% of counties in Idaho see a lower highway truck share than Payette's 14.8%. 76% of counties in Idaho see fewer highway trucks per day than Payette's roughly 1,106.

Non-highway Traffic in Payette County, Idaho
| Traffic | vehicles per day2,246 |
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| Trucks | 6.3% |
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| Average travel time | 33.6 min |
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| Congestion ratio | 6.7% |
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| Drivers’ average age | 48.3 yrs |
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| Drivers’ average income | $73,754 |
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At 15% of vehicle-miles, local roads carry a smaller share of the traffic in Payette County, Idaho than highways. A typical local road sees 2,246 vehicles per day.
Spread over 59 miles and 1,412 segments, 48% of the road network, local roads carry a lighter load per mile: 119,063 vehicle-miles traveled per day (≈43.5 million per year). Trucks make up 6.3% of non-highway traffic, about 1 in 16 vehicles.
Local congestion 59% below the Idaho average
Compared to highways, non-highway routes see 57% fewer trucks by share.
The non-highway congestion ratio of 6.7% is 59% lower than the state level, suggesting more efficient local mobility than the state average.
58% of counties in Idaho see higher average driver income among trip origins than Payette. The driver population here skews older than 51% of counties in Idaho.