
Total Traffic Volume & Performance in Beaverhead County, Montana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,643 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 15.9% |
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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. | 6.5% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $56,324 |
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The average monitored road in Beaverhead County, Montana carries 1,643 vehicles per day. Across its 320 miles of monitored roads, that adds up to 448,606 vehicle-miles traveled per day (≈164 million per year). At 15.9%, the truck share runs above the 11.7% across Montana: about 1 in 6 vehicles.
Traffic 61% below the Montana average
Beaverhead's average daily traffic volume is 61% lower than the state average - 1,643 vehicles per day against 4,202 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Beaverhead accounts for about 1.6% of Montana's statewide total of vehicle-miles. 55% of counties in Montana see more traffic than Beaverhead's 1,643 vehicles per day.
The average trip takes 35.2 minutes, on par with the state level. 80% of counties in Montana have a longer average travel time than Beaverhead's 35.2 minutes.
At 47% lower than the state level, the 6.5% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Beaverhead County, Montana
| Traffic | vehicles per day1,364 |
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| Trucks | 17.8% |
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| Average travel time | 53.2 min |
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| Congestion ratio | 3.9% |
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| Drivers’ average age | 47.4 yrs |
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| Drivers’ average income | $57,475 |
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Highways carry the vast majority of travel in Beaverhead County, Montana, 81% of all vehicle-miles. The average highway carries 1,364 vehicles per day, 22% less than the average non-highway road in the same area, which carries 1,739 vehicles per day.
Highways also make up about 75% of the monitored road miles: 239 miles in 218 segments, together carrying 364,903 vehicle-miles traveled per day (≈133 million per year).
That is more highway travel volume than 63% of counties in Montana.
Fewer highway trucks than 70% of counties in Montana
Highway truck concentration here runs 19% higher than the state average, at 17.8%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 67% of counties in Montana. By raw truck volume, Beaverhead carries fewer highway trucks than 70% of counties in Montana.

Non-highway Traffic in Beaverhead County, Montana
| Traffic | vehicles per day1,739 |
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| Trucks | 7.9% |
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| Average travel time | 29.0 min |
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| Congestion ratio | 7.4% |
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| Drivers’ average age | 46.5 yrs |
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| Drivers’ average income | $55,509 |
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At 19% of vehicle-miles, local roads carry a smaller share of the traffic in Beaverhead County, Montana than highways. On the average non-highway road, that comes to 1,739 vehicles per day.
Local roads make up 25% of the monitored road miles (81 miles in 633 segments) but carry less than their share of travel: 83,703 vehicle-miles traveled per day (≈30.6 million per year). About 1 in 13 vehicles on non-highway roads is a truck (7.9%).
Drivers from lower-income areas than 89% of counties in Montana
The concentration of trucks on non-highway roads is 55% lower than on highways.
At 39% lower than the state level, the non-highway congestion ratio of 7.4% signals easier movement on local roads.
Trip origins here have lower average income than 89% of counties in Montana. 84% of counties in Montana have an older driver population than Beaverhead.