
Total Traffic Volume & Performance in Bannock County, Idaho
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,356 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.1% |
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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. | 16.8% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 42.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $72,082 |
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The average monitored road in Bannock County, Idaho carries 4,356 vehicles per day. Across its 357 miles of monitored roads, that adds up to 1,864,634 vehicle-miles traveled per day (≈681 million per year). Trucks are 10.1% of traffic, close to the 9.7% across Idaho.
Busier roads than 77% of counties in Idaho
Bannock sees 24% lower average daily traffic volume than the state average (4,356 vehicles per day against 5,734), suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. Network-wide, Bannock accounts for about 4.1% of Idaho's statewide total of vehicle-miles. 77% of counties in Idaho see less traffic than Bannock's 4,356 vehicles per day.
Journey times here (35.0 minutes on average) closely track the state level. On travel time, Bannock runs longer than 56% of counties in Idaho.
The congestion ratio of 16.8% runs slightly higher than the state level (5% higher).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Bannock County, Idaho
| Traffic | vehicles per day8,241 |
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| Trucks | 13.1% |
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| Average travel time | 42.0 min |
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| Congestion ratio | 24.0% |
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| Drivers’ average age | 43.8 yrs |
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| Drivers’ average income | $74,996 |
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Highways carry more than half of all travel in Bannock County, Idaho (65% of vehicle-miles). The average highway carries 8,241 vehicles per day, 105% more than the average non-highway road in the same area, which carries 4,022 vehicles per day.
With 39% of the road miles (140 miles in 342 segments), highways punch above their length, carrying 1,214,465 vehicle-miles traveled per day (≈443 million per year).
That puts Bannock among the top 5 counties in Idaho for highway travel volume.
More highway trucks than 71% of counties in Idaho
The concentration of trucks on highways (13.1%) is 7% lower than the state average for similar road classifications. The highway traffic mix is typical for Idaho: neither freight- nor commuter-dominated.
Bannock's highway truck share (13.1%) is higher than 62% of counties in Idaho. 71% of counties in Idaho see fewer highway trucks per day than Bannock's roughly 1,083.

Non-highway Traffic in Bannock County, Idaho
| Traffic | vehicles per day4,022 |
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| Trucks | 4.4% |
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| Average travel time | 34.4 min |
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| Congestion ratio | 16.2% |
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| Drivers’ average age | 42.5 yrs |
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| Drivers’ average income | $70,136 |
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A significant share of driving in Bannock County, Idaho, 35% of vehicle-miles, happens on local roads. A typical local road sees 4,022 vehicles per day.
Spread over 218 miles and 3,981 segments, 61% of the road network, local roads carry a lighter load per mile: 650,168 vehicle-miles traveled per day (≈237 million per year). Trucks make up 4.4% of non-highway traffic, about 1 in 23 vehicles.
Younger drivers than 86% of counties in Idaho
The concentration of trucks on non-highway roads is 67% lower than on highways.
The non-highway congestion ratio of 16.2% is in line with the state level.
Bannock's average driver income is higher than 56% of counties in Idaho. Bannock's median driver age is lower than 86% of counties in Idaho.