This page delivers traffic analytics for Sanborn County, South Dakota. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Sanborn County, South Dakota among 118 road miles divided in 659 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 947 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.
1,255
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
12.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.7 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$73,453
Our data indicates an estimated average traffic volume of 1,255 vehicles per day in Sanborn County, South Dakota that results in 140,889 vehicle-miles traveled per day (≈51.4 million per year). The traffic stream is comprised of an average of 1 truck for every 8 vehicles. Typical time spent behind the wheel per trip is 39.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Dakota state averages: Sanborn's average daily traffic volume is 60% lower than the state average - 1,255 vehicles per day against 3,156 - suggesting less traffic load per road, a critical factor for logistics and site planning. In total volume terms, its road network carries 140,889 vehicle-miles traveled per day (≈51.4 million per year), about 0.6% of South Dakota's statewide total. At 39.7 minutes, the average travel time is 22% higher than the state level. Sanborn carries more traffic than 60% of counties in South Dakota. Its average travel time of 39.7 minutes is longer than 65% of counties in South Dakota.
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.
1,694
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
13.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
45.5 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$69,182
A significant volume of traffic in Sanborn County, South Dakota utilizes the highway network. The average highway carries 1,694 vehicles per day, 75% more than the average non-highway road in the same area, which carries 965 vehicles per day. That average covers 64 highway road miles divided in 262 segments (average segment length 1,287 ft), together carrying 103,679 vehicle-miles traveled per day (≈37.8 million per year). Trucks constitute 13.3% of highway traffic.
Analytical insight
The concentration of trucks on highways (13.3%) is 2% lower than the state average for similar road classifications. This indicates Sanborn serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 42% of counties in South Dakota. Sanborn's highway truck count is higher than 19% of counties in South Dakota, at roughly 225 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
965
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
36.0 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
52.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$81,034
The non-highway road network in Sanborn County, South Dakota supports a substantial volume of traffic. The average non-highway road carries 965 vehicles per day, 43% less than the average highway in the same area, which carries 1,694 vehicles per day. That average covers 54 non-highway road miles divided in 397 segments (average segment length 722 ft), together carrying 37,210 vehicle-miles traveled per day (≈13.6 million per year). Trucks constitute 9.0% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 32% lower than the highway network. 65% of counties in South Dakota see shorter overall travel times than Sanborn. Sanborn's average driver income exceeds 62% of counties in South Dakota. 45% of counties in South Dakota have a younger driver population than Sanborn.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 80% higher than the daily average.
Weekend traffic:
Weekend volumes run about 15% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +11% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average.
Analytical insight
In Sanborn County, South Dakota, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +11% in high season.
Traffic Flow Profile Comparison
Metric
Sanborn
South Dakota
Average
Difference
Traffic
1,255
3,156
-60.2%
Truck % (Total Traffic)
12.2%
10.3%
+18.4%
Truck % (Highway)
13.3%
13.6%
-2.1%
Avg. Travel Time
39.7 min
32.5 min
+22.4%
Frequently Asked Questions
The average daily traffic volume is calculated at 1,255 vehicles per day, providing a baseline for daily operations and site assessment.
Sanborn's average travel time of 39.7 minutes is longer than 65% of counties in South Dakota.
The average travel time for drivers is 39.7 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 12.2% of the total traffic mix across all road types, with a significantly higher concentration of 13.3% on highways.
Drivers on Sanborn roads have a median age of 49 years, and the median household income of the neighborhoods trips originate from averages $73,453 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 80% above the daily average.
Approximately 56% of highway traffic and 15% of non-highway traffic consists of vehicles whose trip originates outside Sanborn 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.
Traffic volumes are typically 11% higher during August–October. Volumes drop to their lowest levels in January, averaging 1,061 vehicles per day - a 15% 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)
