
Total Traffic Volume & Performance in Bonneville County, Idaho
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,793 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.2 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. | 20.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 41.8 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $81,482 |
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The average monitored road in Bonneville County, Idaho carries 7,793 vehicles per day. Across its 500 miles of monitored roads, that adds up to 2,674,554 vehicle-miles traveled per day (≈976 million per year). About 1 in 15 vehicles is a truck, fewer than the 1 in 10 across Idaho.
Busier roads than 95% of counties in Idaho
Bonneville's average daily traffic volume is 36% higher than the state average - 7,793 vehicles per day against 5,734 - suggesting more traffic load per road - a busier backdrop for retail sites, at the cost of slower access. Across the whole network, that travel is about 5.9% of Idaho's statewide total. Bonneville carries more traffic than 95% of counties in Idaho.
At 35.2 minutes, the average travel time matches the state level closely. 60% of counties in Idaho have a shorter average travel time than Bonneville's 35.2 minutes.
The congestion ratio of 20.6% is 29% higher, pointing to more pronounced congestion than the state level - a factor for delivery windows and signal timing.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Bonneville County, Idaho
| Traffic | vehicles per day9,048 |
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| Trucks | 9.3% |
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| Average travel time | 40.0 min |
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| Congestion ratio | 30.2% |
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| Drivers’ average age | 41.2 yrs |
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| Drivers’ average income | $77,451 |
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Highways carry a significant share of travel in Bonneville County, Idaho: 41% of all vehicle-miles. The average highway carries 9,048 vehicles per day, 19% more than the average non-highway road in the same area, which carries 7,615 vehicles per day.
With 27% of the road miles (137 miles in 1,006 segments), highways punch above their length, carrying 1,096,329 vehicle-miles traveled per day (≈400 million per year).
By highway travel volume, Bonneville outranks 82% of counties in Idaho.
Lower highway truck share than 79% of counties in Idaho
The concentration of trucks on highways (9.3%) is 34% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Bonneville's highway truck share (9.3%) is lower than 79% of counties in Idaho. Bonneville's highway truck count is higher than 53% of counties in Idaho, at roughly 841 trucks per day.

Non-highway Traffic in Bonneville County, Idaho
| Traffic | vehicles per day7,615 |
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| Trucks | 4.7% |
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| Average travel time | 34.5 min |
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| Congestion ratio | 19.3% |
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| Drivers’ average age | 41.9 yrs |
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| Drivers’ average income | $83,343 |
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A little more than half of the driving in Bonneville County, Idaho happens on local roads: 59% of all vehicle-miles. A typical local road sees 7,615 vehicles per day.
Local roads also make up about 73% of the monitored road miles: 363 miles in 7,077 segments, together carrying 1,578,225 vehicle-miles traveled per day (≈576 million per year). The truck share on non-highway roads is 4.7%.
Drivers from higher-income areas than 91% of counties in Idaho
Compared to highways, non-highway routes see 49% fewer trucks by share.
At 18% higher than the state level, the non-highway congestion ratio of 19.3% signals more friction on local roads.
91% of counties in Idaho see lower average driver income among trip origins than Bonneville. Bonneville's median driver age is lower than 88% of counties in Idaho.