This page delivers traffic analytics for Custer County, Montana. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Custer County, Montana among 259 road miles divided in 634 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 2,156 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.
The average number of vehicles that travel each day over any road in the road network.
2,274
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
15.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.0 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
10.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$67,658
Our data indicates an estimated average traffic volume of 2,274 vehicles per day in Custer County, Montana that results in 375,965 vehicle-miles traveled per day (≈137 million per year). The traffic stream is comprised of an average of 1 truck for every 7 vehicles. Typical time spent behind the wheel per trip is 35.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Montana state averages: Custer's average daily traffic volume is 46% lower than the state average - 2,274 vehicles per day against 4,202 - suggesting less traffic load per road, a critical factor for logistics and site planning. In total volume terms, its road network carries 375,965 vehicle-miles traveled per day (≈137 million per year), about 1.3% of Montana's statewide total. At 35.0 minutes, the average travel time is 3% lower than the state level. The congestion ratio of 10.2% is 17% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Custer's 2,274 vehicles per day outpaces 69% of counties in Montana. Its average travel time of 35.0 minutes is longer than 18% of counties in Montana.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,864
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
17.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.4 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
4.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
56.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$65,918
A significant volume of traffic in Custer County, Montana utilizes the highway network. The average highway carries 1,864 vehicles per day, 20% less than the average non-highway road in the same area, which carries 2,334 vehicles per day. That average covers 119 highway road miles divided in 82 segments (average segment length 7,659 ft), together carrying 261,440 vehicle-miles traveled per day (≈95.4 million per year). That is more highway travel volume than 59% of counties in Montana. Trucks constitute 17.8% of highway traffic.
Analytical insight
At 17.8%, highway truck share is 19% higher than the state average, marking Custer as a significant freight corridor - underscoring the importance of highway access for logistics operators. By truck concentration, highways here outrank 65% of counties in Montana. By raw truck volume, Custer carries more highway trucks than 59% of counties in Montana.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,334
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.9 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
11.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$68,971
The non-highway road network in Custer County, Montana supports a substantial volume of traffic. The average non-highway road carries 2,334 vehicles per day, 25% more than the average highway in the same area, which carries 1,864 vehicles per day. That average covers 140 non-highway road miles divided in 552 segments (average segment length 1,339 ft), together carrying 114,525 vehicle-miles traveled per day (≈41.8 million per year). Trucks constitute 9.7% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 46% lower than on highways. The non-highway congestion ratio of 11.0% is 9% lower than the state level, suggesting more efficient local mobility than the state average. Custer's overall average travel time exceeds 18% of counties in Montana. Custer's average driver income exceeds 51% of counties in Montana. 42% of counties in Montana have a younger driver population than Custer.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 2:00 PM–6:00 PM, with volumes reaching approximately 60% higher than the daily average.
Weekend traffic:
Weekend volumes run about 22% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +34% versus the annual average.
Lowest month:
January is the quietest month, with volumes -41% versus the annual average.
Analytical insight
In Custer County, Montana, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +34% in high season.
Traffic Flow Profile Comparison
Metric
Custer
Montana
Average
Difference
Traffic
2,274
4,202
-45.9%
Truck % (Total Traffic)
15.3%
11.7%
+31.0%
Truck % (Highway)
17.8%
15.0%
+18.6%
Avg. Travel Time
35.0 min
36.2 min
-3.3%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,274 vehicles per day, providing a baseline for daily operations and site assessment.
Custer's average travel time of 35.0 minutes is longer than 18% of counties in Montana.
Approximately 27% of highway traffic and 1% of non-highway traffic consists of vehicles whose trip originates outside Custer County, Montana. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 35.0 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 15.3% of the total traffic mix across all road types, with a significantly higher concentration of 17.8% on highways.
Drivers on Custer roads have a median age of 50 years, and the median household income of the neighborhoods trips originate from averages $67,658 - useful context for retail siting and customer profiling.
Traffic volumes are typically 34% higher during August–October. Volumes drop to their lowest levels in January, averaging 1,344 vehicles per day - a 41% decrease from the annual average.
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)
