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Traffic heat map of Cascade County, Montana: 497 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Central Avenue

Cascade County, Montana Traffic Counts

Our Cascade County, Montana traffic data covers 4,904 road segments over 497 road miles, with an average segment of just 535 ft. It is one of the top 5 counties in Montana for highway travel volume. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

Total Traffic Volume & Performance in Cascade County, Montana

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day4,266
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

8.0%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

35.6 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

13.9%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

47.7 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$69,737

Our data shows 4,266 vehicles per day on the average road in Cascade County, Montana, and 1,339,087 vehicle-miles traveled per day (≈489 million per year) across its 497 miles of monitored roads. Trucks are a smaller part of the mix than across Montana: 8.0% against 11.7%.

Busier roads than 87% of counties in Montana

Cascade's average daily traffic volume of 4,266 vehicles per day is on par with the state average of 4,202. Network-wide, Cascade accounts for about 4.7% of Montana's statewide total of vehicle-miles. By volume, Cascade's 4,266 vehicles per day outpaces 87% of counties in Montana.

At 35.6 minutes, the average travel time matches the state level closely. On travel time, Cascade runs shorter than 76% of counties in Montana.

The congestion ratio of 13.9% runs slightly higher than the state level (13% higher) - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Cascade County, Montana

Trafficvehicles per day8,341
Trucks9.7%
Average travel time37.4 min
Congestion ratio22.9%
Drivers’ average age47.6 yrs
Drivers’ average income$70,292

A little more than half of the driving in Cascade County, Montana happens on highways: 62% of all vehicle-miles. The average highway carries 8,341 vehicles per day, 161% more than the average non-highway road in the same area, which carries 3,197 vehicles per day.

Highways make up 48% of the monitored road miles (240 miles, 1,019 segments), so they carry more than their share: 829,206 vehicle-miles traveled per day (≈303 million per year).

By highway travel volume, that ranks Cascade in the top 5 counties in Montana.

Lower highway truck share than 96% of counties in Montana

Highway truck concentration here runs 35% lower than the state average, at 9.7%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

96% of counties in Montana see a higher highway truck share than Cascade's 9.7%. Cascade's highway truck count is lower than 54% of counties in Montana, at roughly 812 trucks per day.

non-highway traffic icon

Non-highway Traffic in Cascade County, Montana

Trafficvehicles per day3,197
Trucks5.2%
Average travel time35.1 min
Congestion ratio11.5%
Drivers’ average age48.1 yrs
Drivers’ average income$69,073

Local roads carry a significant share of travel in Cascade County, Montana: 38% of all vehicle-miles. On the average non-highway road, that comes to 3,197 vehicles per day.

Local roads make up 52% of the monitored road miles (256 miles in 3,885 segments) but carry less than their share of travel: 509,881 vehicle-miles traveled per day (≈186 million per year). The truck share on non-highway roads is 5.2%.

Younger drivers than 78% of counties in Montana

The concentration of trucks on non-highway roads is 47% lower than on highways.

The non-highway congestion ratio of 11.5% is in line with the state level.

Cascade's average driver income is higher than 62% of counties in Montana. 78% of counties in Montana have an older driver population than Cascade.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 7:00 AM to 12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 68% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 23% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +13% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Cascade County, Montana, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +13% in high season.

Cascade County vs. Montana Traffic Comparison

The highway truck share sets Cascade County apart: 35% below the Montana average. Its truck share is also 31% below.

MetricCascade CountyMontana averageDifference
Traffic4,2664,202+1.5%
Truck % (Total Traffic)8.0%11.7%-31.4%
Truck % (Highway)9.7%15.0%-35.0%
Avg. Travel Time35.6 min36.2 min-1.6%

How Cascade County compares

Cascade County against nearby counties

Compared with its 4 closest neighbours, Cascade County is 99.0% more congested and carries 108.9% more traffic on a typical road; it has the second busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.

Cascade County and the 4 nearest county-level areas by centroid distance, with the Montana average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Cascade County4,2668.0%1,339,08735.6 min13.9%
Teton County, Montana85010.9%172,24333.3 min4.8%
Meagher County, Montana9519.4%38,66838.5 min4.1%
Lewis and Clark County, Montana4,9428.1%1,349,80044.2 min15.0%
Judith Basin County, Montana1,42515.6%165,10579.6 min4.0%
Montana average4,20211.7%N/A36.2 min12.3%

Cascade County ranked within Montana

Cascade County sits in the bottom quarter of the Montana field on truck share on highways, at #45 of 47.

Cascade County ranked among 56 county-level areas in Montana (1 = highest); measures without data in every county rank a smaller field, down to 47.
MeasureCascade CountyMontana rank
Traffic volume (AADT)4,266#8 of 56
Highway vehicle-miles per day829,206#5 of 47
Truck share on highways9.7%#45 of 47
Highway trucks per day812#26 of 47
Average travel time35.6 min#43 of 56
Average driver income$69,737#22 of 56
Average driver age47.7 yrs#44 of 56

Cascade County ranks #5 of 47 on highway travel volume but #45 of 47 on truck share on highways. It carries some of the heaviest highway traffic in Montana, but very little of it is freight - this is commuter and local car volume, not through-trucking.

Busiest roads in Cascade County, Montana

The three busiest roads in Cascade County average 32,957 vehicles a day, 7.7 times the county average of 4,266 across all its monitored roads.

Central Avenue is the busiest road, at 34,426 vehicles a day, 2,417 of them trucks (7.0%). It tops the truck ranking too, with the most trucks.

Central Avenue carries longer journeys than most roads here, with a median trip of 47.6 minutes against 35.6 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Central AvenueTrunk road · 34,426vehicles2,417trucks · 7.0%
Road class
Trunk road
Congestion ratio
44.7%
Median trip time
47.6 min
Drivers’ median age
47.2 yrs
Drivers’ average income
$57,701

Central Avenue is one of the more congested roads here: trips take 45% longer than at free-flow speed, against 14% county-wide.

2First Avenue North BridgePrimary road · 32,375vehicles1,389trucks · 4.3%
Road class
Primary road
Median trip time
36.0 min
Drivers’ median age
47.7 yrs
Drivers’ average income
$58,524

First Avenue North Bridge carries 7.6 times the county average at its busiest, 1,389 of them trucks (4.3%, below the county-wide 8.0%).

310th AvenueTrunk road · 32,070vehicles1,339trucks · 4.2%
Road class
Trunk road
Congestion ratio
38.9%
Median trip time
34.6 min
Drivers’ median age
47.4 yrs
Drivers’ average income
$67,386

10th Avenue carries 7.5 times the county average on its busiest stretch, where the median trip lasts 34.6 minutes.

4Country Club BoulevardTrunk road · 27,186vehicles1,521trucks · 5.6%
Road class
Trunk road
Congestion ratio
31.6%
Median trip time
25.6 min
Drivers’ median age
48.4 yrs
Drivers’ average income
$76,691

Trips on Country Club Boulevard are short, a median 25.6 minutes against 35.6 county-wide, so it mostly serves local errands and commutes.

5Smelter Avenue NortheastTrunk road · 23,361vehicles1,886trucks · 8.1%
Road class
Trunk road
Congestion ratio
52.2%
Median trip time
36.9 min
Drivers’ median age
48.3 yrs
Drivers’ average income
$71,302

Delays build on Smelter Avenue Northeast: its congestion ratio of 52% over free-flow time is well above the county's 14%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Central AvenueTrunk road · #1 by traffic34,426vehicles2,417trucks · 7.0%
2Smelter Avenue NortheastTrunk road · #5 by traffic23,361vehicles1,886trucks · 8.1%
3Country Club BoulevardTrunk road · #4 by traffic27,186vehicles1,521trucks · 5.6%
4First Avenue North BridgePrimary road · #2 by traffic32,375vehicles1,389trucks · 4.3%
510th AvenueTrunk road · #3 by traffic32,070vehicles1,339trucks · 4.2%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

CascadeDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Cascade County

The same traffic breakdown for the areas closest to Cascade County, Montana.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.