
Total Traffic Volume & Performance in Rosebud County, Montana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,524 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 18.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 43.1 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. | 4.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $66,692 |
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A typical monitored road in Rosebud County, Montana sees 1,524 vehicles per day, while its 204 miles of monitored roads together handle 345,807 vehicle-miles traveled per day (≈126 million per year). Freight weighs heavily here: trucks are 18.4% of traffic, against 11.7% across Montana.
Traffic 64% below the Montana average
At 1,524 vehicles per day, the average monitored road in Rosebud carries 64% less traffic than the state average of 4,202, suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 1.2% of Montana's statewide total. Rosebud carries less traffic than 58% of counties in Montana.
At 43.1 minutes, the average travel time is 19% higher than the state level. On travel time, Rosebud runs longer than 71% of counties in Montana.
The congestion ratio of 4.6% is 63% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Rosebud County, Montana
| Traffic | vehicles per day2,939 |
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| Trucks | 19.5% |
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| Average travel time | 68.1 min |
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| Congestion ratio | 6.6% |
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| Drivers’ average age | 46.1 yrs |
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| Drivers’ average income | $63,032 |
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The vast majority of driving in Rosebud County, Montana happens on highways: 88% of all vehicle-miles. The average highway carries 2,939 vehicles per day, 250% more than the average non-highway road in the same area, which carries 841 vehicles per day.
Highways make up 60% of the monitored road miles (122 miles, 314 segments), so they carry more than their share: 305,313 vehicle-miles traveled per day (≈111 million per year).
By highway travel volume, Rosebud outranks 61% of counties in Montana.
Higher highway truck share than 74% of counties in Montana
The concentration of trucks on highways (19.5%) is 30% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
74% of counties in Montana see a lower highway truck share than Rosebud's 19.5%. By raw truck volume, Rosebud carries more highway trucks than 63% of counties in Montana.

Non-highway Traffic in Rosebud County, Montana
| Traffic | vehicles per day841 |
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| Trucks | 9.5% |
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| Average travel time | 31.0 min |
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| Congestion ratio | 3.6% |
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| Drivers’ average age | 50.7 yrs |
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| Drivers’ average income | $70,499 |
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Only a small share of travel in Rosebud County, Montana happens on local roads: 12% of vehicle-miles. A typical local road sees 841 vehicles per day.
Spread over 81 miles and 650 segments, 40% of the road network, local roads carry a lighter load per mile: 40,493 vehicle-miles traveled per day (≈14.8 million per year). About 1 in 11 vehicles on non-highway roads is a truck (9.5%).
Local congestion 70% below the Montana average
Compared to highways, non-highway routes see 51% fewer trucks by share.
The non-highway congestion ratio of 3.6% is 70% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have lower average income than 51% of counties in Montana. 73% of counties in Montana have an older driver population than Rosebud.