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Traffic heat map of Richland County, Montana: 164 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Holly Street and Central Avenue

Richland County, Montana Traffic Counts

How busy are the roads of Richland County, Montana? We measure 164 road miles, divided into 695 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, Holly Street, carries 10,845 vehicles a day, 3.0 times the average road. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
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 Richland County, Montana

Traffic

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

vehicles per day3,596
Trucks

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

11.3%
Average travel time

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

37.3 min
Congestion ratio

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

10.0%
Drivers’ average age

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

44.6 yrs
Drivers’ average income

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

$69,242

Our data shows 3,596 vehicles per day on the average road in Richland County, Montana, and 258,274 vehicle-miles traveled per day (≈94.3 million per year) across its 164 miles of monitored roads. About 1 in 9 vehicles is a truck, in line with Montana (11.7%).

Busier roads than 82% of counties in Montana

Richland's average daily traffic volume is 14% lower than the state average - 3,596 vehicles per day against 4,202 - a critical factor for logistics and site planning. Across the whole network, that travel is about 0.9% of Montana's statewide total. 82% of counties in Montana see less traffic than Richland's 3,596 vehicles per day.

At 37.3 minutes, the average travel time matches the state level closely. On travel time, Richland runs shorter than 64% of counties in Montana.

At 19% lower than the state level, the 10.0% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Richland County, Montana

Trafficvehicles per day4,895
Trucks11.4%
Average travel time40.5 min
Congestion ratio12.9%
Drivers’ average age44.5 yrs
Drivers’ average income$68,694

The vast majority of driving in Richland County, Montana happens on highways: 80% of all vehicle-miles. The average highway carries 4,895 vehicles per day, 479% more than the average non-highway road in the same area, which carries 846 vehicles per day.

With 46% of the road miles (75 miles in 472 segments), highways punch above their length, carrying 207,370 vehicle-miles traveled per day (≈75.7 million per year).

54% of counties in Montana move less traffic on their highways.

Lower highway truck share than 83% of counties in Montana

The concentration of trucks on highways (11.4%) is 24% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

83% of counties in Montana see a higher highway truck share than Richland's 11.4%. 63% of counties in Montana see more highway trucks per day than Richland's roughly 559.

non-highway traffic icon

Non-highway Traffic in Richland County, Montana

Trafficvehicles per day846
Trucks10.8%
Average travel time30.6 min
Congestion ratio3.7%
Drivers’ average age46.3 yrs
Drivers’ average income$73,131

Local roads carry a smaller share of travel in Richland County, Montana, 20% of vehicle-miles; most driving happens on highways. A typical local road sees 846 vehicles per day.

Local roads make up 54% of the monitored road miles (89 miles in 223 segments) but carry less than their share of travel: 50,905 vehicle-miles traveled per day (≈18.6 million per year). Trucks make up 10.8% of non-highway traffic, about 1 in 9 vehicles.

Younger drivers than 91% of counties in Montana

Compared to highways, non-highway routes see 5% fewer trucks by share.

At 69% lower than the state level, the non-highway congestion ratio of 3.7% signals easier movement on local roads.

56% of counties in Montana see lower average driver income among trip origins than Richland. 91% of counties in Montana have an older driver population than Richland.

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 76% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 34% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +19% versus the annual average.
Lowest month:
February is the quietest month, with volumes -23% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Richland County, Montana, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +19% in high season.

Richland County vs. Montana Traffic Comparison

The highway truck share sets Richland County apart: 24% below the Montana average.

MetricRichland CountyMontana averageDifference
Traffic3,5964,202-14.4%
Truck % (Total Traffic)11.3%11.7%-3.2%
Truck % (Highway)11.4%15.0%-23.8%
Avg. Travel Time37.3 min36.2 min+3.2%

How Richland County compares

Richland County has the busiest roads among its nearby counties

Set against the average of the 4 areas nearest to it, Richland County carries 146.7% more traffic on a typical road and is 75.3% more congested; it has the 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.

Richland 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
Richland County3,59611.3%258,27437.3 min10.0%
Dawson County, Montana2,43518.1%333,76738.8 min10.1%
Roosevelt County, Montana1,55712.1%228,14436.1 min5.5%
McCone County, Montana83812.3%85,87236.1 min3.9%
Wibaux County, Montana1,00120.5%94,82840.8 min3.3%
Montana average4,20211.7%N/A36.2 min12.3%

Richland County ranked within Montana

Average driver age places Richland County #51 of 56 in Montana - the bottom quarter of the state.

Richland County ranked among 56 county-level areas in Montana (1 = highest); measures without data in every county rank a smaller field, down to 47.
MeasureRichland CountyMontana rank
Traffic volume (AADT)3,596#11 of 56
Highway vehicle-miles per day207,370#22 of 47
Truck share on highways11.4%#39 of 47
Highway trucks per day559#30 of 47
Average travel time37.3 min#36 of 56
Average driver income$69,242#25 of 56
Average driver age44.6 yrs#51 of 56

Richland County ranks #11 of 56 on average daily traffic volume but #51 of 56 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Richland County, Montana

The three busiest roads in Richland County average 8,397 vehicles a day, 2.3 times the county average of 3,596 across all its monitored roads.

Holly Street leads with 10,845 vehicles a day, 880 of them trucks (8.1%). It tops the truck ranking too, with the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Holly StreetTrunk road · 10,845vehicles880trucks · 8.1%
Road class
Trunk road
Congestion ratio
24.0%
Median trip time
48.4 min
Drivers’ median age
45.8 yrs
Drivers’ average income
$61,952

Delays build on Holly Street: its congestion ratio of 24% over free-flow time is well above the county's 10%.

2Central AvenueTrunk road · 8,453vehicles703trucks · 8.3%
Road class
Trunk road
Congestion ratio
19.3%
Median trip time
33.1 min
Drivers’ median age
42.4 yrs
Drivers’ average income
$65,653

Travel on Central Avenue's busiest stretch runs 19% over free-flow time, against 10% across the county, so expect slower peak hours.

3Ellery AvenueTrunk road · 5,893vehicles630trucks · 10.7%
Road class
Trunk road
Congestion ratio
6.7%
Median trip time
40.1 min
Drivers’ median age
43.6 yrs
Drivers’ average income
$71,742

At 64% more than the county average, Ellery Avenue draws drivers from neighborhoods averaging $71,742 in household income.

4Lewis and Clark TrailTrunk road · 5,811vehicles617trucks · 10.6%
Road class
Trunk road
Congestion ratio
13.2%
Median trip time
26.2 min
Drivers’ median age
42.6 yrs
Drivers’ average income
$66,833

Trips on Lewis and Clark Trail are short, a median 26.2 minutes against 37.3 county-wide, so it mostly serves local errands and commutes.

59th StreetTrunk road · 5,459vehicles571trucks · 10.5%
Road class
Trunk road
Congestion ratio
6.0%
Median trip time
36.7 min
Drivers’ median age
43.2 yrs
Drivers’ average income
$70,891

9th Street is busy by local standards, at 52% more than the county average on its busiest stretch; trucks are 10.5% of it, below the county-wide 11.3%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Holly StreetTrunk road · #1 by traffic10,845vehicles880trucks · 8.1%
2Central AvenueTrunk road · #2 by traffic8,453vehicles703trucks · 8.3%
3Ellery AvenueTrunk road · #3 by traffic5,893vehicles630trucks · 10.7%
4Lewis and Clark TrailTrunk road · #4 by traffic5,811vehicles617trucks · 10.6%
59th StreetTrunk road · #5 by traffic5,459vehicles571trucks · 10.5%
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

RichlandDepartment 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 Richland County

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

Need segment-level traffic data?

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