This page delivers traffic analytics for Custer County, South Dakota. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Custer County, South Dakota among 247 road miles divided in 1,232 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 1,058 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.
2,656
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
27.2 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
55.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$78,594
Our data indicates an estimated average traffic volume of 2,656 vehicles per day in Custer County, South Dakota that results in 380,827 vehicle-miles traveled per day (≈139 million per year). The traffic stream is comprised of an average of 1 truck for every 12 vehicles. Typical time spent behind the wheel per trip is 27.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Dakota state averages: Custer sees 16% lower average daily traffic volume than the state average (2,656 vehicles per day against 3,156), suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 380,827 vehicle-miles traveled per day (≈139 million per year), roughly 1.6% of South Dakota's statewide total. Journey times run 16% lower than the state level, at 27.2 minutes on average. 83% of counties in South Dakota see less traffic than Custer's 2,656 vehicles per day. 2% of counties in South Dakota have a shorter average travel time than Custer's 27.2 minutes.
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.
6,794
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.
30.7 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
54.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$77,055
A significant volume of traffic in Custer County, South Dakota utilizes the highway network. The average highway carries 6,794 vehicles per day, 231% more than the average non-highway road in the same area, which carries 2,051 vehicles per day. That average covers 63 highway road miles divided in 157 segments (average segment length 2,122 ft), together carrying 184,583 vehicle-miles traveled per day (≈67.4 million per year). By highway travel volume, Custer outranks 58% of counties in South Dakota. Trucks constitute 9.7% of highway traffic.
Analytical insight
Highway truck concentration here runs 29% lower than the state average, at 9.7% - positioning Custer as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 4% of counties in South Dakota. By raw truck volume, Custer carries more highway trucks than 42% of counties in South Dakota.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,051
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
26.7 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
57.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$79,990
The non-highway road network in Custer County, South Dakota supports a substantial volume of traffic. The average non-highway road carries 2,051 vehicles per day, 70% less than the average highway in the same area, which carries 6,794 vehicles per day. That average covers 184 non-highway road miles divided in 1,075 segments (average segment length 902 ft), together carrying 196,244 vehicle-miles traveled per day (≈71.6 million per year). Trucks constitute 7.1% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 27% lower than the highway network. Custer's overall average travel time exceeds 2% of counties in South Dakota. Trip origins here have higher average income than 86% of counties in South Dakota. Custer's median driver age is higher than 94% of counties in South Dakota.
Time-of-Day & Seasonal Patterns
Analytical insight
In Custer County, South Dakota, the peak hour concentrates about 9% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Custer
South Dakota
Average
Difference
Traffic
2,656
3,156
-15.9%
Truck % (Total Traffic)
8.3%
10.3%
-19.1%
Truck % (Highway)
9.7%
13.6%
-28.9%
Avg. Travel Time
27.2 min
32.5 min
-16.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,656 vehicles per day, providing a baseline for daily operations and site assessment.
Custer's highway truck share of 9.7% is higher than 4% of counties in South Dakota.
Drivers on Custer roads have a median age of 56 years, and the median household income of the neighborhoods trips originate from averages $78,594 - useful context for retail siting and customer profiling.
Approximately 44% of highway traffic and 16% of non-highway traffic consists of vehicles whose trip originates outside Custer County, South Dakota. 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 27.2 minutes, offering a standard metric for commute and delivery route planning.
Weekday peaks occur between 9:00 AM and 12:00 PM in the morning and between 2:00 PM and 6:00 PM in the evening - about 110% above the daily 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)
