
Total Traffic Volume & Performance in Broadwater County, Montana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,922 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 13.6% |
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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. | 10.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $69,341 |
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A typical monitored road in Broadwater County, Montana sees 3,922 vehicles per day, while its 123 miles of monitored roads together handle 474,637 vehicle-miles traveled per day (≈173 million per year). At 13.6%, the truck share runs above the 11.7% across Montana: about 1 in 7 vehicles.
Busier roads than 84% of counties in Montana
At 3,922 vehicles per day, the average road in Broadwater carries somewhat less traffic than the state average of 4,202 (7% less). Network-wide, Broadwater accounts for about 1.7% of Montana's statewide total of vehicle-miles. 84% of counties in Montana see less traffic than Broadwater's 3,922 vehicles per day.
At 43.1 minutes, the average travel time is 19% higher than the state level. 73% of counties in Montana have a shorter average travel time than Broadwater's 43.1 minutes.
Congestion runs 18% lower than the state level, at a ratio of 10.0%, which means smoother traffic flow - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Broadwater County, Montana
| Traffic | vehicles per day6,222 |
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| Trucks | 14.0% |
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| Average travel time | 51.5 min |
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| Congestion ratio | 13.9% |
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| Drivers’ average age | 50.6 yrs |
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| Drivers’ average income | $69,607 |
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Nearly all driving in Broadwater County, Montana happens on highways: 92% of every vehicle-mile. The average highway carries 6,222 vehicles per day, 495% more than the average non-highway road in the same area, which carries 1,046 vehicles per day.
Highways make up 58% of the monitored road miles (71 miles, 340 segments), so they carry more than their share: 434,920 vehicle-miles traveled per day (≈159 million per year).
By highway travel volume, Broadwater outranks 67% of counties in Montana.
More highway trucks than 80% of counties in Montana
At 14.0%, highway truck share is 7% lower than the state average. The highway traffic mix is typical for Montana: neither freight- nor commuter-dominated.
Broadwater's highway truck share (14.0%) is lower than 54% of counties in Montana. Broadwater's highway truck count is higher than 80% of counties in Montana, at roughly 870 trucks per day.

Non-highway Traffic in Broadwater County, Montana
| Traffic | vehicles per day1,046 |
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| Trucks | 8.8% |
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| Average travel time | 32.7 min |
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| Congestion ratio | 5.1% |
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| Drivers’ average age | 52.2 yrs |
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| Drivers’ average income | $67,387 |
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Only a small share of travel in Broadwater County, Montana happens on local roads: 8% of vehicle-miles. The average non-highway road carries 1,046 vehicles per day.
Spread over 52 miles and 272 segments, 42% of the road network, local roads carry a lighter load per mile: 39,717 vehicle-miles traveled per day (≈14.5 million per year). Trucks make up 8.8% of non-highway traffic, about 1 in 11 vehicles.
Local congestion 58% below the Montana average
The concentration of trucks on non-highway roads is 37% lower than on highways.
Non-highway congestion (5.1%) runs 58% lower than the state average, pointing to smoother local traffic flow.
Broadwater's average driver income is higher than 58% of counties in Montana. 53% of counties in Montana have a younger driver population than Broadwater.