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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day939 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 19.3% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 42.3 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 3.7% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 56.1 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $62,455 |
Our data shows 939 vehicles per day on the average road in Prairie County, Montana, and 168,155 vehicle-miles traveled per day (≈61.4 million per year) across its 100 miles of monitored roads. About 1 in 5 vehicles is a truck, well above the 11.7% across Montana - a freight-heavy mix.
Prairie sees 78% lower average daily traffic volume than the state average (939 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. Network-wide, Prairie accounts for about 0.6% of Montana's statewide total of vehicle-miles. Prairie carries less traffic than 84% of counties in Montana.
Journey times run 17% higher than the state level, at 42.3 minutes on average. 67% of counties in Montana have a shorter average travel time than Prairie's 42.3 minutes.
The congestion ratio of 3.7% is 70% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.
| Traffic | vehicles per day1,972 |
|---|---|
| Trucks | 19.8% |
| Average travel time | 49.6 min |
| Congestion ratio | 4.7% |
| Drivers’ average age | 55.9 yrs |
| Drivers’ average income | $62,679 |
Nearly all driving in Prairie County, Montana happens on highways: 95% of every vehicle-mile. The average highway carries 1,972 vehicles per day, 303% more than the average non-highway road in the same area, which carries 490 vehicles per day.
With 75% of the road miles (75 miles in 47 segments), highways punch above their length, carrying 159,527 vehicle-miles traveled per day (≈58.2 million per year).
At 19.8%, highway truck share is 32% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
78% of counties in Montana see a lower highway truck share than Prairie's 19.8%. By raw truck volume, Prairie carries more highway trucks than 61% of counties in Montana.
| Traffic | vehicles per day490 |
|---|---|
| Trucks | 10.9% |
| Average travel time | 39.1 min |
| Congestion ratio | 3.3% |
| Drivers’ average age | 59.5 yrs |
| Drivers’ average income | $50,607 |
Only a small share of travel in Prairie County, Montana happens on local roads: 5% of vehicle-miles. On the average non-highway road, that comes to 490 vehicles per day.
Local roads make up 25% of the monitored road miles (25 miles in 108 segments) but carry less than their share of travel: 8,628 vehicle-miles traveled per day (≈3.1 million per year). The truck share on non-highway roads is 10.9%.
Non-highway roads carry a truck concentration that's 45% lower than the highway network.
The non-highway congestion ratio of 3.3% is 73% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have lower average income than 65% of counties in Montana. 89% of counties in Montana have a younger driver population than Prairie.
The average daily traffic per road sets Prairie County apart: 78% below the Montana average. Its truck share, by contrast, is 65% above.
| Metric | Prairie County | Montana average | Difference |
|---|---|---|---|
| Traffic | 939 | 4,202 | -77.7% |
| Truck % (Total Traffic) | 19.3% | 11.7% | +65.5% |
| Truck % (Highway) | 19.8% | 15.0% | +31.9% |
| Avg. Travel Time | 42.3 min | 36.2 min | +16.8% |
Compared with its 4 closest neighbours, Prairie County is 45.9% less congested and carries 42.6% less traffic on a typical road; it has the fourth busiest roads of the five. Quiet roads and long journeys - a rural pattern, where the distance between destinations rather than the traffic on the way is what takes the time.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Prairie County | 939 | 19.3% | 168,155 | 42.3 min | 3.7% |
| Custer County, Montana | 2,274 | 15.3% | 375,965 | 35.0 min | 10.2% |
| Dawson County, Montana | 2,435 | 18.1% | 333,767 | 38.8 min | 10.1% |
| McCone County, Montana | 838 | 12.3% | 85,872 | 36.1 min | 3.9% |
| Wibaux County, Montana | 1,001 | 20.5% | 94,828 | 40.8 min | 3.3% |
| Montana average | 4,202 | 11.7% | N/A | 36.2 min | 12.3% |
Prairie County sits in the top quarter of the Montana field on average driver age, at #7 of 56.
| Measure | Prairie County | Montana rank |
|---|---|---|
| Traffic volume (AADT) | 939 | #47 of 56 |
| Highway vehicle-miles per day | 159,527 | #29 of 47 |
| Truck share on highways | 19.8% | #11 of 47 |
| Highway trucks per day | 390 | #19 of 47 |
| Average travel time | 42.3 min | #19 of 56 |
| Average driver income | $62,455 | #37 of 56 |
| Average driver age | 56.1 yrs | #7 of 56 |
Prairie County ranks #7 of 56 on average driver age but #47 of 56 on average daily traffic volume - the two describe the same roads and are worth reading together rather than either on its own.
Traffic concentrates on a few corridors: the three busiest roads average 2,347 vehicles a day, against 939 on the average road in Prairie County.
Lewis and Clark Trail is the busiest road, at 4,184 vehicles a day, 789 of them trucks (18.9%). That is 90% more than the next road, I 94 (2,208). It also carries the most trucks.
C B Route is a local road at heart: the median trip using it lasts 14.0 minutes, against 42.3 for the county.
MT 253 is busy with cars rather than freight: only 6.7% of its traffic is trucks, against 19.3% county-wide.
Drivers on MT 253 come from neighborhoods with an average household income of $45,192, 28% below the county average of $62,455.
Lewis and Clark Trail carries 4.5 times the county average at its busiest, 789 of them trucks (18.9%, in line with the county-wide 19.3%).
Trips on I 94 are short, a median 31.3 minutes against 42.3 county-wide, so it mostly serves local errands and commutes.
Even at its busiest, MT 253 carries 31% less than the county average; trucks are 6.7% of it, below the county-wide 19.3%.
Spring Street is a local road at heart: the median trip using it lasts 28.4 minutes, against 42.3 for the county.
C B Route is a quieter road: its busiest stretch carries 83% less than the county average; trucks are 11.4% of it, below the county-wide 19.3%.
The average monitored road in Prairie carries 939 vehicles per day, 78% less than the Montana average of 4,202.
The driver population in Prairie skews older than 89% of counties in Montana.
The average trip in Prairie takes 42.3 minutes, 17% longer than the Montana average of 36.2 minutes, delays at signals and congestion included.
Drivers on Prairie roads have a median age of 56 years, older than the Montana average of 47, and the median household income of the neighborhoods trips originate from averages $62,455, 14% below the Montana average.
Weekday traffic has two busy windows: AM peak 9:00 AM–12:00 PM and a long afternoon plateau from 12:00 PM to 6:00 PM - about 63% above the daily average.
Lewis and Clark Trail carries the most, 4,184 vehicles per day on its busiest stretch, followed by I 94 (2,208), MT 253 (648), Spring Street (564), C B Route (164). Figures are AADT, both directions combined.
Lewis and Clark Trail, with about 789 trucks per day on its busiest stretch, 18.9% of its 4,184 vehicles.
About 4,184 vehicles per day in both directions on its busiest stretch, including 789 trucks (18.9%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Prairie County, Montana.
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