
Total Traffic Volume & Performance in Big Horn County, Montana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,458 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 18.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 43.0 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. | 5.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $57,632 |
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The average monitored road in Big Horn County, Montana carries 1,458 vehicles per day. Across its 398 miles of monitored roads, that adds up to 803,677 vehicle-miles traveled per day (≈293 million per year). Freight weighs heavily here: trucks are 18.5% of traffic, against 11.7% across Montana.
Traffic 65% below the Montana average
Big Horn sees 65% lower average daily traffic volume than the state average (1,458 vehicles per day against 4,202), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 2.8% of Montana's statewide total of vehicle-miles. 64% of counties in Montana see more traffic than Big Horn's 1,458 vehicles per day.
Journey times run 19% higher than the state level, at 43.0 minutes on average. On travel time, Big Horn runs longer than 69% of counties in Montana.
The congestion ratio of 5.2% is 58% 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 Big Horn County, Montana
| Traffic | vehicles per day2,443 |
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| Trucks | 20.0% |
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| Average travel time | 57.2 min |
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| Congestion ratio | 6.7% |
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| Drivers’ average age | 45.7 yrs |
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| Drivers’ average income | $58,641 |
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The vast majority of driving in Big Horn County, Montana happens on highways: 87% of all vehicle-miles. The average highway carries 2,443 vehicles per day, 133% more than the average non-highway road in the same area, which carries 1,050 vehicles per day.
Highways make up 60% of the monitored road miles (241 miles, 402 segments), so they carry more than their share: 700,102 vehicle-miles traveled per day (≈256 million per year).
By highway travel volume, Big Horn outranks 85% of counties in Montana.
Higher highway truck share than 80% of counties in Montana
Highway truck concentration here runs 33% higher than the state average, at 20.0%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Big Horn's highway truck share (20.0%) is higher than 80% of counties in Montana. Big Horn's highway truck count is higher than 70% of counties in Montana, at roughly 488 trucks per day.

Non-highway Traffic in Big Horn County, Montana
| Traffic | vehicles per day1,050 |
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| Trucks | 8.5% |
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| Average travel time | 37.2 min |
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| Congestion ratio | 4.6% |
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| Drivers’ average age | 42.8 yrs |
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| Drivers’ average income | $53,029 |
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Local roads carry only a small share of the traffic in Big Horn County, Montana, 13% of all vehicle-miles. A typical local road sees 1,050 vehicles per day.
Local roads make up 40% of the monitored road miles (157 miles in 970 segments) but carry less than their share of travel: 103,575 vehicle-miles traveled per day (≈37.8 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.5%).
Younger drivers than 93% of counties in Montana
Compared to highways, non-highway routes see 58% fewer trucks by share.
Non-highway congestion (4.6%) runs 62% lower than the state average, pointing to smoother local traffic flow.
85% of counties in Montana see higher average driver income among trip origins than Big Horn. Big Horn's median driver age is lower than 93% of counties in Montana.