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Traffic heat map of Oglala Lakota County, South Dakota: 175 miles of roads shaded from blue (light) to red (heavy traffic), busiest on SD 407 and Whiteclay Road

Oglala Lakota County, South Dakota Traffic Counts

Our Oglala Lakota County, South Dakota traffic data covers 824 road segments over 175 road miles, with an average segment of just 1,122 ft. Its drivers come from the lowest-income neighborhoods of any county in South Dakota, averaging $50,068. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
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 Oglala Lakota County, South Dakota

Traffic

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

vehicles per day539
Trucks

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

10.2%
Average travel time

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

38.7 min
Drivers’ average age

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

38.0 yrs
Drivers’ average income

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

$50,068

A typical monitored road in Oglala Lakota County, South Dakota sees 539 vehicles per day, while its 175 miles of monitored roads together handle 75,594 vehicle-miles traveled per day (≈27.6 million per year). About 1 in 10 vehicles is a truck, in line with South Dakota (10.3%).

Quieter roads than 92% of counties in South Dakota

Oglala Lakota's average daily traffic volume is 83% lower than the state average - 539 vehicles per day against 3,156 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.3% of South Dakota's statewide total of vehicle-miles. 92% of counties in South Dakota see more traffic than Oglala Lakota's 539 vehicles per day.

The average trip takes 38.7 minutes, 19% higher than the state level. Its average travel time of 38.7 minutes is longer than 60% of counties in South Dakota.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Oglala Lakota County, South Dakota, the peak hour concentrates about 8% of the day's traffic.

Oglala Lakota County vs. South Dakota Traffic Comparison

The average daily traffic per road sets Oglala Lakota County apart: 83% below the South Dakota average. Its average travel time, by contrast, is 19% above.

MetricOglala Lakota CountySouth Dakota averageDifference
Traffic5393,156-82.9%
Truck % (Total Traffic)10.2%10.3%-0.5%
Avg. Travel Time38.7 min32.5 min+19.1%

How Oglala Lakota County compares

Oglala Lakota County has the lowest truck share of its nearby counties

Set against the average of the 4 areas nearest to it, Oglala Lakota County carries 52.7% less traffic on a typical road; 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.

Oglala Lakota County and the 4 nearest county-level areas by centroid distance, with the South Dakota average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Oglala Lakota County53910.2%75,59438.7 minN/A
Bennett County, South Dakota55311.3%32,76934.8 minN/A
Sheridan County, Nebraska68913.5%81,07035.6 minN/A
Fall River County, South Dakota1,96112.0%254,57939.5 minN/A
Dawes County, Nebraska1,35512.6%123,72937.2 minN/A
South Dakota average3,15610.3%N/A32.5 min12.9%

Oglala Lakota County ranked within South Dakota

Oglala Lakota County records the lowest average driver income in South Dakota.

Oglala Lakota County ranked among 66 county-level areas in South Dakota (1 = highest).
MeasureOglala Lakota CountySouth Dakota rank
Traffic volume (AADT)539#61 of 66
Average travel time38.7 min#27 of 66
Average driver income$50,068#66 of 66
Average driver age38.0 yrs#65 of 66

The two ends of this table sit far apart: #27 of 66 on average travel time, against #66 of 66 on average driver income.

Busiest roads in Oglala Lakota County, South Dakota

Traffic concentrates on a few corridors: the three busiest roads average 807 vehicles a day, against 539 on the average road in Oglala Lakota County.

SD 407 leads with 991 vehicles a day, 57 of them trucks (5.8%). Loneman Day School Road carries the most trucks, 71 a day (13.9% of its traffic), although it ranks #5 for all traffic.

Trips using Red Shirt Table Road are long: a median of 82.9 minutes against 38.7 county-wide, the mark of a through route.

Freight stands out on Lone Man Road: trucks are 17.1% of the traffic there, against 10.2% county-wide.

Bureau of Indian Affairs Highway 32 is busy with cars rather than freight: only 4.5% of its traffic is trucks, against 10.2% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1SD 407Secondary road · 991vehicles57trucks · 5.8%
Road class
Secondary road
Median trip time
40.0 min
Drivers’ median age
40.5 yrs
Drivers’ average income
$59,242

SD 407 carries 84% more than the county average at its busiest, 57 of them trucks (5.8%, below the county-wide 10.2%).

2Whiteclay RoadSecondary road · 770vehicles47trucks · 6.1%
Road class
Secondary road
Median trip time
34.9 min
Drivers’ median age
40.8 yrs
Drivers’ average income
$59,087

Whiteclay Road carries 43% more than the county average on its busiest stretch, where the median trip lasts 34.9 minutes.

3Bureau of Indian Affairs Highway 32Tertiary road · 659vehicles30trucks · 4.5%
Road class
Tertiary road
Median trip time
38.8 min
Drivers’ median age
37.4 yrs
Drivers’ average income
$55,473

At 22% more than the county average, Bureau of Indian Affairs Highway 32 draws drivers from neighborhoods averaging $55,473 in household income.

4US 18Primary road · 612vehicles60trucks · 9.8%
Road class
Primary road
Median trip time
35.0 min
Drivers’ median age
37.9 yrs
Drivers’ average income
$54,341

US 18 is busy by local standards, at 14% more than the county average on its busiest stretch; trucks are 9.8% of it, in line with the county-wide 10.2%.

5Loneman Day School RoadSecondary road · 512vehicles71trucks · 13.9%
Road class
Secondary road
Median trip time
73.5 min
Drivers’ median age
37.3 yrs
Drivers’ average income
$46,708

Loneman Day School Road carries through traffic: the median trip using it lasts 73.5 minutes, against 38.7 for the county.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Loneman Day School RoadSecondary road · #5 by traffic512vehicles71trucks · 13.9%
2Lone Man RoadSecondary road · 405vehicles69trucks · 17.1%
Road class
Secondary road
Median trip time
34.1 min
Drivers’ median age
37.5 yrs
Drivers’ average income
$45,946

Lone Man Road is a quieter road: its busiest stretch carries 25% less than the county average; trucks are 17.1% of it, above the county-wide 10.2%.

3US 18Primary road · #4 by traffic612vehicles60trucks · 9.8%
4SD 407Secondary road · #1 by traffic991vehicles57trucks · 5.8%
5Red Shirt Table RoadSecondary road · 470vehicles53trucks · 11.3%
Road class
Secondary road
Median trip time
82.9 min
Drivers’ median age
37.9 yrs
Drivers’ average income
$51,331

Even at its busiest, Red Shirt Table Road carries 13% less than the county average; trucks are 11.3% of it, above the county-wide 10.2%.

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

Oglala LakotaDepartment 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 Oglala Lakota County

The same traffic breakdown for the areas closest to Oglala Lakota County, South Dakota.

Need segment-level traffic data?

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