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Traffic heat map of Sheridan County, Montana: 128 miles of roads shaded from blue (light) to red (heavy traffic), busiest on 1st Avenue

Sheridan County, Montana Traffic Counts

TrafficZoom tracks traffic on 128 road miles in Sheridan County, Montana, divided into 510 segments averaging 1,324 ft. Its busiest road, 1st Avenue, carries 3,338 vehicles a day, 3.6 times the average road. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
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 Sheridan County, Montana

Traffic

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

vehicles per day935
Trucks

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

10.9%
Average travel time

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

37.0 min
Congestion ratio

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

3.7%
Drivers’ average age

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

53.5 yrs
Drivers’ average income

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

$67,730

A typical monitored road in Sheridan County, Montana sees 935 vehicles per day, while its 128 miles of monitored roads together handle 72,501 vehicle-miles traveled per day (≈26.5 million per year). About 1 in 9 vehicles is a truck, in line with Montana (11.7%).

Traffic 78% below the Montana average

At 935 vehicles per day, the average monitored road in Sheridan carries 78% less traffic than the state average of 4,202, suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Network-wide, Sheridan accounts for about 0.3% of Montana's statewide total of vehicle-miles. By volume, Sheridan's 935 vehicles per day trails 85% of counties in Montana.

The average trip takes 37.0 minutes, on par with the state level. Its average travel time of 37.0 minutes is shorter than 65% of counties in Montana.

The congestion ratio of 3.7% is 69% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Sheridan County, Montana

Trafficvehicles per day1,615
Trucks12.3%
Average travel time43.1 min
Congestion ratio4.8%
Drivers’ average age53.6 yrs
Drivers’ average income$69,289

Highways carry about half of all travel in Sheridan County, Montana, 54% of vehicle-miles. The average highway carries 1,615 vehicles per day, 294% more than the average non-highway road in the same area, which carries 410 vehicles per day.

Highways make up 32% of the monitored road miles (41 miles, 222 segments), so they carry more than their share: 39,120 vehicle-miles traveled per day (≈14.3 million per year).

The fewest highway trucks of any county in Montana

At 12.3%, highway truck share is 18% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

By truck concentration, highways here trail 78% of counties in Montana. At roughly 118 trucks per day, Sheridan carries the lowest volume of highway trucks in Montana.

non-highway traffic icon

Non-highway Traffic in Sheridan County, Montana

Trafficvehicles per day410
Trucks9.2%
Average travel time32.4 min
Congestion ratio3.0%
Drivers’ average age53.2 yrs
Drivers’ average income$61,944

Local roads carry about half of all travel in Sheridan County, Montana, 46% of vehicle-miles. On the average non-highway road, that comes to 410 vehicles per day.

Spread over 87 miles and 288 segments, 68% of the road network, local roads carry a lighter load per mile: 33,380 vehicle-miles traveled per day (≈12.2 million per year). About 1 in 11 vehicles on non-highway roads is a truck (9.2%).

Local congestion 76% below the Montana average

The concentration of trucks on non-highway roads is 26% lower than on highways.

The non-highway congestion ratio of 3.0% is 76% lower than the state level, suggesting more efficient local mobility than the state average.

Sheridan's average driver income is higher than 53% of counties in Montana. Sheridan's median driver age is higher than 69% of counties in Montana.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 11:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 86% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 24% 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 +15% versus the annual average.
Lowest month:
January is the quietest month, with volumes -19% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Sheridan 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.

Sheridan County vs. Montana Traffic Comparison

The average daily traffic per road sets Sheridan County apart: 78% below the Montana average. Its highway truck share is also 18% below.

MetricSheridan CountyMontana averageDifference
Traffic9354,202-77.8%
Truck % (Total Traffic)10.9%11.7%-6.9%
Truck % (Highway)12.3%15.0%-17.8%
Avg. Travel Time37.0 min36.2 min+2.4%

How Sheridan County compares

Sheridan County against nearby counties

Set against the average of the 4 areas nearest to it, Sheridan County moves 22.3% of the total daily travel and is 29.1% less congested; it has the third 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.

Sheridan 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
Sheridan County93510.9%72,50137.0 min3.7%
Roosevelt County, Montana1,55712.1%228,14436.1 min5.5%
Daniels County, Montana7228.7%21,02527.4 min3.2%
Divide County, North Dakota53311.6%64,66233.5 min3.2%
Williams County, North Dakota2,71910.7%985,41441.2 min9.2%
Montana average4,20211.7%N/A36.2 min12.3%

Sheridan County ranked within Montana

No county-level area in Montana records a lower highway truck volume than Sheridan County.

Sheridan County ranked among 56 county-level areas in Montana (1 = highest); measures without data in every county rank a smaller field, down to 47.
MeasureSheridan CountyMontana rank
Traffic volume (AADT)935#48 of 56
Highway vehicle-miles per day39,120#45 of 47
Truck share on highways12.3%#37 of 47
Highway trucks per day199#47 of 47
Average travel time37.0 min#37 of 56
Average driver income$67,730#27 of 56
Average driver age53.5 yrs#18 of 56

The two ends of this table sit far apart: #18 of 56 on average driver age, against #47 of 47 on highway truck volume.

Busiest roads in Sheridan County, Montana

The three busiest roads in Sheridan County average 1,756 vehicles a day, 88% more than the county average of 935 across all its monitored roads.

1st Avenue is the busiest road, at 3,338 vehicles a day, 398 of them trucks (11.9%). No other road comes close: Theodore Roosevelt Expressway, in second place, carries 1,044. It tops the truck ranking too, with the most trucks.

Raymond Road carries longer journeys than most roads here, with a median trip of 61.9 minutes against 37.0 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
11st AvenueTrunk road · 3,338vehicles398trucks · 11.9%
Road class
Trunk road
Congestion ratio
7.6%
Median trip time
49.6 min
Drivers’ median age
53.8 yrs
Drivers’ average income
$67,655

1st Avenue carries through traffic: the median trip using it lasts 49.6 minutes, against 37.0 for the county.

2Theodore Roosevelt ExpresswayTrunk road · 1,044vehicles129trucks · 12.4%
Road class
Trunk road
Congestion ratio
3.9%
Median trip time
38.2 min
Drivers’ median age
53.4 yrs
Drivers’ average income
$69,988

Theodore Roosevelt Expressway carries 12% more than the county average at its busiest, 129 of them trucks (12.4%, above the county-wide 10.9%).

3Raymond RoadTrunk road · 887vehicles93trucks · 10.5%
Road class
Trunk road
Congestion ratio
2.6%
Median trip time
61.9 min
Drivers’ median age
53.8 yrs
Drivers’ average income
$67,412

Even at its busiest, Raymond Road carries 5% less than the county average; trucks are 10.5% of it, in line with the county-wide 10.9%.

4MT 5Primary road · 530vehicles46trucks · 8.7%
Road class
Primary road
Congestion ratio
3.0%
Median trip time
40.1 min
Drivers’ median age
52.7 yrs
Drivers’ average income
$57,296

MT 5 is a quieter road: its busiest stretch carries 43% less than the county average; trucks are 8.7% of it, below the county-wide 10.9%.

5Reserve HighwaySecondary road · 402vehicles46trucks · 11.4%
Road class
Secondary road
Median trip time
35.8 min
Drivers’ median age
52.1 yrs
Drivers’ average income
$68,029

Even at its busiest, Reserve Highway carries 57% less than the county average; trucks are 11.4% of it, in line with the county-wide 10.9%.

Ranked by trucks per day

Cars and light vehiclesTrucks
11st AvenueTrunk road · #1 by traffic3,338vehicles398trucks · 11.9%
2Theodore Roosevelt ExpresswayTrunk road · #2 by traffic1,044vehicles129trucks · 12.4%
3Raymond RoadTrunk road · #3 by traffic887vehicles93trucks · 10.5%
4MT 5Primary road · #4 by traffic530vehicles46trucks · 8.7%
5Reserve HighwaySecondary road · #5 by traffic402vehicles46trucks · 11.4%
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

SheridanDepartment 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 Sheridan County

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

Need segment-level traffic data?

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