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Petroleum County, Montana Traffic Counts

This page delivers traffic analytics for Petroleum County, Montana. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Petroleum County, Montana among 56 road miles divided in 117 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 2,540 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

Traffic

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

416

Trucks

Trucks

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

11.3%

Average travel time

Average travel time

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

48.6 min

Drivers’ average age

Drivers’ average age

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

55.2 yrs

Drivers’ average income

Drivers’ average income

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

$59,318

Our data indicates an estimated average traffic volume of 416 vehicles per day in Petroleum County, Montana that results in 28,306 vehicle-miles traveled per day (≈10.3 million per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 48.6 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Montana state averages: Petroleum sees 90% lower average daily traffic volume than the state average (416 vehicles per day against 4,202), suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 28,306 vehicle-miles traveled per day (≈10.3 million per year), roughly 0.1% of Montana's statewide total. At 48.6 minutes, the average travel time is 34% higher than the state level. In fact, Petroleum has the lowest average traffic volume of any county in Montana, at 416 vehicles per day. 85% of counties in Montana have a shorter average travel time than Petroleum's 48.6 minutes.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
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Non-highway traffic

Traffic

Traffic

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

416

Trucks

Trucks

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

11.3%

Average travel time

Average travel time

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

48.6 min

Drivers’ average age

Drivers’ average age

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

55.2 yrs

Drivers’ average income

Drivers’ average income

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

$59,318

The non-highway road network in Petroleum County, Montana supports a substantial volume of traffic. The average non-highway road carries 416 vehicles per day. That average covers 56 non-highway road miles divided in 117 segments (average segment length 2,540 ft), together carrying 28,306 vehicle-miles traveled per day (≈10.3 million per year). Trucks constitute 11.3% of non-highway traffic.

Analytical insight

Petroleum's overall average travel time exceeds 85% of counties in Montana. 18% of counties in Montana see lower average driver income among trip origins than Petroleum. The driver population here skews older than 84% of counties in Montana.

Time-of-Day & Seasonal Patterns

Analytical insight

In Petroleum County, Montana, the peak hour concentrates about 8% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Petroleum

Montana
Average

Difference

Traffic

416

4,202

-90.1%

Truck % (Total Traffic)

11.3%

11.7%

-3.0%

Truck % (Highway)

15.0%

Avg. Travel Time

48.6 min

36.2 min

+34.5%

How Petroleum County compares

Petroleum County against nearby areas

Against the 4 nearest areas, Petroleum County carries 71.9% less traffic on a typical road and moves 28.6% of the total daily travel; it has the quietest roads of the five. Smaller and quieter on both counts: a shorter network than the areas around it, carrying lighter traffic across it.

Petroleum 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
Petroleum County41611.3%28,30648.6 minN/A
Fergus County, Montana2,26211.4%213,06538.8 min8.7%
Musselshell County, Montana1,71210.2%84,84649.9 min5.5%
Garfield County, Montana49115.7%43,72468.6 min4.6%
Golden Valley County, Montana1,46015.1%53,60861.8 min4.9%
Montana average4,20211.7%N/A36.2 min12.3%

Petroleum County ranked within Montana

Petroleum County records the lowest average daily traffic volume in Montana.

Where Petroleum County sits among Montana's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasurePetroleum CountyMontana rank
Traffic volume (AADT)416#56 of 56
Average travel time48.6 min#9 of 56
Average driver income$59,318#46 of 56
Average driver age55.2 yrs#10 of 56

The two ends of this table sit far apart: #9 of 56 on average travel time, against #56 of 56 on average daily traffic volume.

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

MontanaDepartment of Transportation

Historical traffic pattern databases

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

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Counties near Petroleum County

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

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