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Traffic heat map of Fergus County, Montana: 187 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Northeast Main Street and Main Street

Fergus County, Montana Traffic Counts

TrafficZoom tracks traffic on 187 road miles in Fergus County, Montana, divided into 990 segments averaging 995 ft. Its busiest road, Northeast Main Street, carries 7,156 vehicles a day, 3.2 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 Fergus County, Montana

Traffic

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

vehicles per day2,262
Trucks

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

11.4%
Average travel time

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

38.8 min
Congestion ratio

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

8.7%
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.

$66,056

Our data shows 2,262 vehicles per day on the average road in Fergus County, Montana, and 213,065 vehicle-miles traveled per day (≈77.8 million per year) across its 187 miles of monitored roads. About 1 in 9 vehicles is a truck, in line with Montana (11.7%).

Traffic 46% below the Montana average

At 2,262 vehicles per day, the average monitored road in Fergus carries 46% 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. Across the whole network, that travel is about 0.7% of Montana's statewide total. 67% of counties in Montana see less traffic than Fergus's 2,262 vehicles per day.

The average trip takes 38.8 minutes, 7% higher than the state level. On travel time, Fergus runs shorter than 54% of counties in Montana.

The congestion ratio of 8.7% is 29% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Fergus County, Montana

Trafficvehicles per day2,277
Trucks13.6%
Average travel time58.1 min
Congestion ratio5.0%
Drivers’ average age51.9 yrs
Drivers’ average income$68,540

Highways carry a smaller share of travel in Fergus County, Montana, 20% of vehicle-miles; most driving happens on local roads. The average highway carries 2,277 vehicles per day, about the same as the average non-highway road in the same area (2,261 vehicles per day).

Highways make up 10% of the monitored road miles (18 miles, 60 segments), so they carry more than their share: 42,050 vehicle-miles traveled per day (≈15.3 million per year).

A typical mix of freight and passenger traffic

The concentration of trucks on highways (13.6%) is 9% lower than the state average for similar road classifications. The highway traffic mix is typical for Montana: neither freight- nor commuter-dominated.

By truck concentration, highways here trail 59% of counties in Montana. Fergus's highway truck count is lower than 61% of counties in Montana, at roughly 310 trucks per day.

non-highway traffic icon

Non-highway Traffic in Fergus County, Montana

Trafficvehicles per day2,261
Trucks10.9%
Average travel time37.5 min
Congestion ratio8.9%
Drivers’ average age53.5 yrs
Drivers’ average income$65,931

The vast majority of driving in Fergus County, Montana happens on local roads: 80% of all vehicle-miles. The average non-highway road carries 2,261 vehicles per day.

Local roads also make up about 90% of the monitored road miles: 169 miles in 930 segments, together carrying 171,015 vehicle-miles traveled per day (≈62.4 million per year). About 1 in 9 vehicles on non-highway roads is a truck (10.9%).

Older drivers than 67% of counties in Montana

Non-highway roads carry a truck concentration that's 20% lower than the highway network.

At 26% lower than the state level, the non-highway congestion ratio of 8.9% signals easier movement on local roads.

Fergus's average driver income is lower than 53% of counties in Montana. Fergus's median driver age is higher than 67% 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–4:00 PM, with volumes reaching approximately 93% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 15% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +21% versus the annual average.
Lowest month:
January is the quietest month, with volumes -27% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Fergus County, Montana, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +21% in high season.

Fergus County vs. Montana Traffic Comparison

The average daily traffic per road sets Fergus County apart: 46% below the Montana average.

MetricFergus CountyMontana averageDifference
Traffic2,2624,202-46.2%
Truck % (Total Traffic)11.4%11.7%-2.2%
Truck % (Highway)13.6%15.0%-9.2%
Avg. Travel Time38.8 min36.2 min+7.2%

How Fergus County compares

Fergus County is more congested than any nearby county

Against the 4 nearest areas, Fergus County sees 34.2% shorter typical trips and carries 92.4% more traffic on a typical road; it has the busiest roads of the five. Busier roads and shorter trips together - destinations here sit closer to one another than in the areas around it.

Fergus 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
Fergus County2,26211.4%213,06538.8 min8.7%
Judith Basin County, Montana1,42515.6%165,10579.6 min4.0%
Petroleum County, Montana41611.3%28,30648.6 minN/A
Golden Valley County, Montana1,46015.1%53,60861.8 min4.9%
Wheatland County, Montana1,40213.4%104,44845.8 min3.6%
Montana average4,20211.7%N/A36.2 min12.3%

Fergus County ranked within Montana

Fergus County sits in the bottom quarter of the Montana field on highway travel volume, at #44 of 47.

Fergus County ranked among 56 county-level areas in Montana (1 = highest); measures without data in every county rank a smaller field, down to 47.
MeasureFergus CountyMontana rank
Traffic volume (AADT)2,262#19 of 56
Highway vehicle-miles per day42,050#44 of 47
Truck share on highways13.6%#28 of 47
Highway trucks per day310#29 of 47
Average travel time38.8 min#30 of 56
Average driver income$66,056#30 of 56
Average driver age53.5 yrs#19 of 56

The two ends of this table sit far apart: #19 of 56 on average daily traffic volume, against #44 of 47 on highway travel volume.

Busiest roads in Fergus County, Montana

Traffic concentrates on a few corridors: the three busiest roads average 6,245 vehicles a day, against 2,262 on the average road in Fergus County.

Northeast Main Street is the busiest road, at 7,156 vehicles a day, 613 of them trucks (8.6%). It tops the truck ranking too, with the most trucks.

US 87 carries longer journeys than most roads here, with a median trip of 55.3 minutes against 38.8 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Northeast Main StreetPrimary road · 7,156vehicles613trucks · 8.6%
Road class
Primary road
Congestion ratio
22.9%
Median trip time
29.2 min
Drivers’ median age
53.5 yrs
Drivers’ average income
$62,107

Delays build on Northeast Main Street: its congestion ratio of 23% over free-flow time is well above the county's 9%.

2Main StreetPrimary road · 6,165vehicles434trucks · 7.0%
Road class
Primary road
Congestion ratio
20.1%
Median trip time
31.9 min
Drivers’ median age
53.9 yrs
Drivers’ average income
$56,885

Travel on Main Street's busiest stretch runs 20% over free-flow time, against 9% across the county, so expect slower peak hours.

31st AvenuePrimary road · 5,414vehicles426trucks · 7.9%
Road class
Primary road
Congestion ratio
12.3%
Median trip time
38.3 min
Drivers’ median age
53.5 yrs
Drivers’ average income
$63,675

At 2.4 times the county average, 1st Avenue draws drivers from neighborhoods averaging $63,675 in household income.

46th AvenuePrimary road · 4,861vehicles318trucks · 6.5%
Road class
Primary road
Median trip time
33.0 min
Drivers’ median age
53.8 yrs
Drivers’ average income
$67,140

The busiest stretch of 6th Avenue carries 2.1 times the county average; trucks are 6.5% of it, below the county-wide 11.4%.

5MT 87-700 BypassPrimary road · 3,984vehicles274trucks · 6.9%
Road class
Primary road
Median trip time
41.3 min
Drivers’ median age
53.0 yrs
Drivers’ average income
$67,485

MT 87-700 Bypass is busy by local standards, at 76% more than the county average on its busiest stretch; trucks are 6.9% of it, below the county-wide 11.4%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Northeast Main StreetPrimary road · #1 by traffic7,156vehicles613trucks · 8.6%
2US 87Trunk road · 3,364vehicles524trucks · 15.6%
Road class
Trunk road
Median trip time
55.3 min
Drivers’ median age
53.2 yrs
Drivers’ average income
$62,935

US 87 peaks at 3,364 vehicles a day, 49% more than the county average; trucks are 15.6% of it, above the county-wide 11.4%.

3Main StreetPrimary road · #2 by traffic6,165vehicles434trucks · 7.0%
41st AvenuePrimary road · #3 by traffic5,414vehicles426trucks · 7.9%
56th AvenuePrimary road · #4 by traffic4,861vehicles318trucks · 6.5%
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

FergusDepartment 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 Fergus County

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

Need segment-level traffic data?

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