Need segment-level traffic data?
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.

TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,327 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 20.1% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 42.1 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 6.7% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 50.1 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $74,572 |
A typical monitored road in Powell County, Montana sees 2,327 vehicles per day, while its 185 miles of monitored roads together handle 584,984 vehicle-miles traveled per day (≈214 million per year). About 1 in 5 vehicles is a truck, well above the 11.7% across Montana - a freight-heavy mix.
At 2,327 vehicles per day, the average monitored road in Powell carries 45% less traffic than the state average of 4,202, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 2.1% of Montana's statewide total of vehicle-miles. By volume, Powell's 2,327 vehicles per day outpaces 73% of counties in Montana.
Journey times run 17% higher than the state level, at 42.1 minutes on average. On travel time, Powell runs longer than 65% of counties in Montana.
At 45% lower than the state level, the 6.7% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
| Traffic | vehicles per day3,503 |
|---|---|
| Trucks | 21.4% |
| Average travel time | 59.7 min |
| Congestion ratio | 7.7% |
| Drivers’ average age | 48.6 yrs |
| Drivers’ average income | $73,973 |
The vast majority of driving in Powell County, Montana happens on highways: 88% of all vehicle-miles. The average highway carries 3,503 vehicles per day, 116% more than the average non-highway road in the same area, which carries 1,620 vehicles per day.
With 64% of the road miles (119 miles in 222 segments), highways punch above their length, carrying 515,325 vehicle-miles traveled per day (≈188 million per year).
By highway travel volume, Powell outranks 80% of counties in Montana.
Highway truck concentration here runs 43% higher than the state average, at 21.4%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Powell's highway truck share (21.4%) is higher than 93% of counties in Montana. By raw truck volume, Powell carries more highway trucks than 85% of counties in Montana.
| Traffic | vehicles per day1,620 |
|---|---|
| Trucks | 11.0% |
| Average travel time | 31.6 min |
| Congestion ratio | 6.1% |
| Drivers’ average age | 54.9 yrs |
| Drivers’ average income | $77,935 |
Local roads carry only a small share of the traffic in Powell County, Montana, 12% of all vehicle-miles. The average non-highway road carries 1,620 vehicles per day.
Local roads make up 36% of the monitored road miles (66 miles in 369 segments) but carry less than their share of travel: 69,659 vehicle-miles traveled per day (≈25.4 million per year). About 1 in 9 vehicles on non-highway roads is a truck (11.0%).
Non-highway roads carry a truck concentration that's 49% lower than the highway network.
Non-highway congestion (6.1%) runs 49% lower than the state average, pointing to smoother local traffic flow.
Powell's average driver income is higher than 84% of counties in Montana. 56% of counties in Montana have an older driver population than Powell.
The truck share sets Powell County apart: 72% above the Montana average. Its average daily traffic per road, by contrast, is 45% below.
| Metric | Powell County | Montana average | Difference |
|---|---|---|---|
| Traffic | 2,327 | 4,202 | -44.6% |
| Truck % (Total Traffic) | 20.1% | 11.7% | +72.5% |
| Truck % (Highway) | 21.4% | 15.0% | +42.6% |
| Avg. Travel Time | 42.1 min | 36.2 min | +16.5% |
Compared with its 4 closest neighbours, Powell County is 43.4% less congested and carries 48.3% less traffic on a typical road; it has the fourth busiest roads of the five. Freight passes through here that never reaches the areas around it: the truck share is high precisely because the local car traffic is not.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Powell County | 2,327 | 20.1% | 584,984 | 42.1 min | 6.7% |
| Lewis and Clark County, Montana | 4,942 | 8.1% | 1,349,800 | 44.2 min | 15.0% |
| Missoula County, Montana | 7,276 | 9.8% | 2,532,447 | 35.0 min | 16.8% |
| Granite County, Montana | 1,479 | 19.0% | 486,499 | 29.9 min | 5.1% |
| Lake County, Montana | 4,307 | 9.1% | 875,237 | 39.6 min | 10.6% |
| Montana average | 4,202 | 11.7% | N/A | 36.2 min | 12.3% |
Powell County sits in the top quarter of the Montana field on truck share on highways, at #4 of 47.
| Measure | Powell County | Montana rank |
|---|---|---|
| Traffic volume (AADT) | 2,327 | #16 of 56 |
| Highway vehicle-miles per day | 515,325 | #10 of 47 |
| Truck share on highways | 21.4% | #4 of 47 |
| Highway trucks per day | 748 | #8 of 47 |
| Average travel time | 42.1 min | #20 of 56 |
| Average driver income | $74,572 | #10 of 56 |
| Average driver age | 50.1 yrs | #32 of 56 |
The top three roads on this list in Powell County average 6,172 vehicles a day, 2.7 times the county average of 2,327 across all its monitored roads.
I 90 tops the list with 10,633 vehicles a day, 2,422 of them trucks (22.8%). That is 2.3 times the next road, Main Street (4,533). It tops the truck ranking too, with the most trucks on the list.
Trips using US 12 are long: a median of 69.7 minutes against 42.1 county-wide, the mark of a through route.
North Interchange is busy with cars rather than freight: only 6.7% of its traffic is trucks, against 20.1% county-wide.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
On its busiest stretch, I 90 carries 4.6 times the county average; trucks are 22.8% of it, above the county-wide 20.1%.
Trips on Main Street are short, a median 25.5 minutes against 42.1 county-wide, so it mostly serves local errands and commutes.
North Interchange is a local road at heart: the median trip using it lasts 22.8 minutes, against 42.1 for the county.
US 12 is busy by local standards, at 37% more than the county average on its busiest stretch; trucks are 13.6% of it, below the county-wide 20.1%.
Frontage Road is a quieter road: its busiest stretch carries about the same as the county average; trucks are 12.5% of it, below the county-wide 20.1%.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
The average monitored road in Powell carries 2,327 vehicles per day, 45% less than the Montana average of 4,202.
Powell carries more traffic than 73% of counties in Montana, averaging 2,327 vehicles per day.
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 58% above the daily average.
The average trip in Powell takes 42.1 minutes, 17% longer than the Montana average of 36.2 minutes, delays at signals and congestion included.
Approximately 61% of highway traffic and 1% of non-highway traffic consists of vehicles whose trip originates outside Powell County, Montana. Most highway traffic here starts elsewhere, so the highways serve the wider region more than the local community.
Trucks make up about 20.1% of all traffic in Powell County, Montana, with about the same share on highways (21.4%).
Drivers on Powell roads have a median age of 50 years, older than the Montana average of 47, and the median household income of the neighborhoods trips originate from averages $74,572, in line with the Montana average.
About 10,633 vehicles per day in both directions on its busiest stretch, including 2,422 trucks (22.8%). 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 Powell County, Montana.
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.