
Total Traffic Volume & Performance in Judith Basin County, Montana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,425 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 15.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 79.6 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. | 4.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 55.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $60,822 |
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The average monitored road in Judith Basin County, Montana carries 1,425 vehicles per day. Across its 83 miles of monitored roads, that adds up to 165,105 vehicle-miles traveled per day (≈60.3 million per year). Trucks are 15.6% of traffic, more than the 11.7% across Montana.
The longest trips of any county in Montana
Judith Basin's average daily traffic volume is 66% lower than the state average - 1,425 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. Across the whole network, that travel is about 0.6% of Montana's statewide total. 65% of counties in Montana see more traffic than Judith Basin's 1,425 vehicles per day.
The average trip takes 79.6 minutes, 120% higher than the state level. At 79.6 minutes, Judith Basin also has the highest average travel time in Montana.
At 68% lower than the state level, the 4.0% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Judith Basin County, Montana
| Traffic | vehicles per day2,128 |
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| Trucks | 15.9% |
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| Average travel time | 64.6 min |
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| Congestion ratio | 5.2% |
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| Drivers’ average age | 55.8 yrs |
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| Drivers’ average income | $61,350 |
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Nearly all driving in Judith Basin County, Montana happens on highways: 97% of every vehicle-mile. The average highway carries 2,128 vehicles per day, 360% more than the average non-highway road in the same area, which carries 463 vehicles per day.
Highways make up 80% of the monitored road miles (66 miles, 245 segments), so they carry more than their share: 159,364 vehicle-miles traveled per day (≈58.2 million per year).
A typical mix of freight and passenger traffic
The concentration of trucks on highways (15.9%) is 6% higher than the state average for similar road classifications. The highway traffic mix is typical for Montana: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 54% of counties in Montana. 54% of counties in Montana see fewer highway trucks per day than Judith Basin's roughly 338.

Non-highway Traffic in Judith Basin County, Montana
| Traffic | vehicles per day463 |
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| Trucks | 8.2% |
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| Average travel time | 100.1 min |
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| Congestion ratio | 2.3% |
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| Drivers’ average age | 56.8 yrs |
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| Drivers’ average income | $57,337 |
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With 3% of vehicle-miles, local roads play a minor role in how Judith Basin County, Montana travels. On the average non-highway road, that comes to 463 vehicles per day.
Local roads make up 20% of the monitored road miles (17 miles in 179 segments) but carry less than their share of travel: 5,740 vehicle-miles traveled per day (≈2.1 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.2%).
Local congestion 81% below the Montana average
The concentration of trucks on non-highway roads is 48% lower than on highways.
Non-highway congestion (2.3%) runs 81% lower than the state average, pointing to smoother local traffic flow.
Judith Basin's average driver income is lower than 80% of counties in Montana. The driver population here skews older than 87% of counties in Montana.