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Traffic heat map of Chouteau County, Montana: 155 miles of roads shaded from blue (light) to red (heavy traffic)

Chouteau County, Montana Traffic Counts

The average road here carries 1,171 vehicles a day, 72% less than the Montana average of 4,202. This page breaks down traffic in Chouteau County, Montana across 155 miles of monitored roads split into 605 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Chouteau County, Montana

Traffic

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

vehicles per day1,171
Trucks

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

12.8%
Average travel time

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

51.8 min
Congestion ratio

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

3.5%
Drivers’ average age

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

52.1 yrs
Drivers’ average income

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

$60,956

The average monitored road in Chouteau County, Montana carries 1,171 vehicles per day. Across its 155 miles of monitored roads, that adds up to 198,452 vehicle-miles traveled per day (≈72.4 million per year). About 1 in 8 vehicles is a truck, in line with Montana (11.7%).

Longer trips than 91% of counties in Montana

Chouteau sees 72% lower average daily traffic volume than the state average (1,171 vehicles per day against 4,202), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Network-wide, Chouteau accounts for about 0.7% of Montana's statewide total of vehicle-miles. Chouteau carries less traffic than 73% of counties in Montana.

The average trip takes 51.8 minutes, 43% higher than the state level. On travel time, Chouteau runs longer than 91% of counties in Montana.

At 72% lower than the state level, the 3.5% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Chouteau County, Montana

Trafficvehicles per day1,841
Trucks13.4%
Average travel time63.5 min
Congestion ratio4.3%
Drivers’ average age52.2 yrs
Drivers’ average income$64,439

Highways carry the vast majority of travel in Chouteau County, Montana, 81% of all vehicle-miles. The average highway carries 1,841 vehicles per day, 146% more than the average non-highway road in the same area, which carries 748 vehicles per day.

With 51% of the road miles (79 miles in 234 segments), highways punch above their length, carrying 160,824 vehicle-miles traveled per day (≈58.7 million per year).

Fewer highway trucks than 67% of counties in Montana

The concentration of trucks on highways (13.4%) is 10% lower than the state average for similar road classifications. The highway traffic mix is typical for Montana: neither freight- nor commuter-dominated.

61% of counties in Montana see a higher highway truck share than Chouteau's 13.4%. 67% of counties in Montana see more highway trucks per day than Chouteau's roughly 248.

non-highway traffic icon

Non-highway Traffic in Chouteau County, Montana

Trafficvehicles per day748
Trucks9.9%
Average travel time44.5 min
Congestion ratio2.9%
Drivers’ average age51.8 yrs
Drivers’ average income$56,076

At 19% of vehicle-miles, local roads carry a smaller share of the traffic in Chouteau County, Montana than highways. The average non-highway road carries 748 vehicles per day.

Local roads make up 49% of the monitored road miles (76 miles in 371 segments) but carry less than their share of travel: 37,628 vehicle-miles traveled per day (≈13.7 million per year). The truck share on non-highway roads is 9.9%.

Local congestion 76% below the Montana average

Compared to highways, non-highway routes see 26% fewer trucks by share.

At 76% lower than the state level, the non-highway congestion ratio of 2.9% signals easier movement on local roads.

Chouteau's average driver income is lower than 75% of counties in Montana. 58% of counties in Montana have a younger driver population than Chouteau.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 5:00 PM–6:00 PM, with volumes reaching approximately 96% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 16% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +15% versus the annual average.
Lowest month:
January is the quietest month, with volumes -22% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Chouteau County, Montana, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +15% in high season.

Chouteau County vs. Montana Traffic Comparison

Of the four measures, average daily traffic per road differs most: Chouteau County runs 72% below the Montana average. Its average travel time, by contrast, is 43% above.

MetricChouteau CountyMontana averageDifference
Traffic1,1714,202-72.1%
Truck % (Total Traffic)12.8%11.7%+9.5%
Truck % (Highway)13.4%15.0%-10.2%
Avg. Travel Time51.8 min36.2 min+43.3%

How Chouteau County compares

Chouteau County is the least congested of its nearby counties

Compared with its 4 closest neighbours, Chouteau County is 57.2% less congested and carries 54.0% less traffic on a typical road; it has the fourth busiest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.

Chouteau 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
Chouteau County1,17112.8%198,45251.8 min3.5%
Hill County, Montana3,54012.3%241,98540.0 min10.5%
Liberty County, Montana95211.5%40,68744.5 min3.9%
Cascade County, Montana4,2668.0%1,339,08735.6 min13.9%
Judith Basin County, Montana1,42515.6%165,10579.6 min4.0%
Montana average4,20211.7%N/A36.2 min12.3%

Chouteau County ranked within Montana

Chouteau County sits in the top quarter of the Montana field on average travel time, at #6 of 56.

Chouteau County ranked among 56 county-level areas in Montana (1 = highest); measures without data in every county rank a smaller field, down to 47.
MeasureChouteau CountyMontana rank
Traffic volume (AADT)1,171#41 of 56
Highway vehicle-miles per day160,824#28 of 47
Truck share on highways13.4%#29 of 47
Highway trucks per day248#32 of 47
Average travel time51.8 min#6 of 56
Average driver income$60,956#42 of 56
Average driver age52.1 yrs#24 of 56

Busiest roads in Chouteau County, Montana

The top three roads on this list in Chouteau County average 2,243 vehicles a day, 92% more than the county average of 1,171 across all its monitored roads.

Line-Be Road tops the list with 2,898 vehicles a day, 609 of them trucks (21.0%). It tops the truck ranking too, with the most trucks on the list.

Trips on Line-Be Road are short, a median of 18.7 minutes against 51.8 county-wide, so it serves mostly local traffic.

Line-Be Road draws drivers from lower-income areas: their neighborhoods average $37,071 in household income, 39% below the county's $60,956.

Line-Be Road skews younger: its drivers' median age is 40.6, compared with 52.1 county-wide.

Ranked by daily traffic (AADT)

Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.

Cars and light vehiclesTrucks
1Line-Be RoadTertiary road · 2,898vehicles609trucks · 21.0%
Road class
Tertiary road
Median trip time
18.7 min
Drivers’ median age
40.6 yrs
Drivers’ average income
$37,071

Line-Be Road leans on freight: 609 trucks a day, 21.0% of its traffic against 12.8% county-wide.

2US 87Trunk road · 2,152vehicles265trucks · 12.3%
Road class
Trunk road
Congestion ratio
4.4%
Median trip time
62.7 min
Drivers’ median age
56.5 yrs
Drivers’ average income
$67,170

US 87 carries 84% more than the county average at its busiest, 265 of them trucks (12.3%, in line with the county-wide 12.8%).

3Geraldine AvenueTertiary road · 1,679vehicles86trucks · 5.1%
Road class
Tertiary road
Median trip time
77.3 min
Drivers’ median age
51.7 yrs
Drivers’ average income
$62,083

Geraldine Avenue carries through traffic: the median trip using it lasts 77.3 minutes, against 51.8 for the county.

4Saint Charles StreetSecondary road · 1,446vehicles122trucks · 8.4%
Road class
Secondary road
Congestion ratio
3.2%
Median trip time
43.1 min
Drivers’ median age
56.5 yrs
Drivers’ average income
$67,841

Saint Charles Street carries 23% more than the county average on its busiest stretch, where the median trip lasts 43.1 minutes.

5Broadway AvenueTrunk road · 1,313vehicles147trucks · 11.2%
Road class
Trunk road
Congestion ratio
3.0%
Median trip time
66.7 min
Drivers’ median age
58.4 yrs
Drivers’ average income
$57,396

At 12% more than the county average, Broadway Avenue draws drivers from neighborhoods averaging $57,396 in household income.

Ranked by trucks per day

Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.

Cars and light vehiclesTrucks
1Line-Be RoadTertiary road · #1 by traffic2,898vehicles609trucks · 21.0%
2US 87Trunk road · #2 by traffic2,152vehicles265trucks · 12.3%
3Broadway AvenueTrunk road · #5 by traffic1,313vehicles147trucks · 11.2%
4Saint Charles StreetSecondary road · #4 by traffic1,446vehicles122trucks · 8.4%
513th StreetSecondary road · 1,191vehicles99trucks · 8.3%
Road class
Secondary road
Congestion ratio
2.9%
Median trip time
49.0 min
Drivers’ median age
57.5 yrs
Drivers’ average income
$67,171

Even at its busiest, 13th Street carries about the same as the county average; trucks are 8.3% of it, below the county-wide 12.8%.

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

ChouteauDepartment 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 Chouteau County

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

Need segment-level traffic data?

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