
Total Traffic Volume & Performance in Glacier County, Montana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,770 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 56.0 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. | 6.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $54,016 |
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The average monitored road in Glacier County, Montana carries 1,770 vehicles per day. Across its 181 miles of monitored roads, that adds up to 230,707 vehicle-miles traveled per day (≈84.2 million per year). About 1 in 10 vehicles is a truck, in line with Montana (11.7%).
Longer trips than 93% of counties in Montana
Glacier sees 58% lower average daily traffic volume than the state average (1,770 vehicles per day against 4,202), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.8% of Montana's statewide total. Glacier carries more traffic than 53% of counties in Montana.
Journey times run 55% higher than the state level, at 56.0 minutes on average. On travel time, Glacier runs longer than 93% of counties in Montana.
The congestion ratio of 6.9% is 44% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Glacier County, Montana
| Traffic | vehicles per day2,610 |
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| Trucks | 10.9% |
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| Average travel time | 48.7 min |
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| Congestion ratio | 7.4% |
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| Drivers’ average age | 44.0 yrs |
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| Drivers’ average income | $53,988 |
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A little more than half of the driving in Glacier County, Montana happens on highways: 55% of all vehicle-miles. The average highway carries 2,610 vehicles per day, 114% more than the average non-highway road in the same area, which carries 1,222 vehicles per day.
With 37% of the road miles (67 miles in 359 segments), highways punch above their length, carrying 126,999 vehicle-miles traveled per day (≈46.4 million per year).
Fewer highway trucks than 87% of counties in Montana
Highway truck concentration here runs 27% lower than the state average, at 10.9%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
85% of counties in Montana see a higher highway truck share than Glacier's 10.9%. 87% of counties in Montana see more highway trucks per day than Glacier's roughly 285.

Non-highway Traffic in Glacier County, Montana
| Traffic | vehicles per day1,222 |
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| Trucks | 9.7% |
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| Average travel time | 60.7 min |
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| Congestion ratio | 6.6% |
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| Drivers’ average age | 41.9 yrs |
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| Drivers’ average income | $54,049 |
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Local roads carry a significant share of travel in Glacier County, Montana: 45% of all vehicle-miles. On the average non-highway road, that comes to 1,222 vehicles per day.
Spread over 115 miles and 549 segments, 63% of the road network, local roads carry a lighter load per mile: 103,708 vehicle-miles traveled per day (≈37.9 million per year). The truck share on non-highway roads is 9.7%.
Drivers from lower-income areas than 95% of counties in Montana
Non-highway roads carry a truck concentration that's 11% lower than the highway network.
The non-highway congestion ratio of 6.6% is 45% lower than the state level, suggesting more efficient local mobility than the state average.
Glacier's average driver income is lower than 95% of counties in Montana. Glacier's median driver age is lower than 95% of counties in Montana.