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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day1,004 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 13.9% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 34.6 min |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 45.6 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $78,359 |
Our data shows 1,004 vehicles per day on the average road in McCook County, South Dakota, and 496,446 vehicle-miles traveled per day (≈181 million per year) across its 243 miles of monitored roads. Trucks are 13.9% of traffic, more than the 10.3% across South Dakota.
McCook's average daily traffic volume is 68% lower than the state average - 1,004 vehicles per day against 3,156 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, McCook accounts for about 2.0% of South Dakota's statewide total of vehicle-miles. 57% of counties in South Dakota see more traffic than McCook's 1,004 vehicles per day.
The average trip takes 34.6 minutes, 7% higher than the state level. 62% of counties in South Dakota have a longer average travel time than McCook's 34.6 minutes.
| Traffic | vehicles per day2,952 |
|---|---|
| Trucks | 15.9% |
| Average travel time | 48.9 min |
| Drivers’ average age | 45.0 yrs |
| Drivers’ average income | $76,109 |
Highways carry most of the traffic in McCook County, South Dakota: 77% of all vehicle-miles. The average highway carries 2,952 vehicles per day, 283% more than the average non-highway road in the same area, which carries 771 vehicles per day.
Highways make up 27% of the monitored road miles (67 miles, 130 segments), so they carry more than their share: 383,911 vehicle-miles traveled per day (≈140 million per year).
That is more highway travel volume than 81% of counties in South Dakota.
Highway truck concentration here runs 17% higher than the state average, at 15.9%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 75% of counties in South Dakota. 92% of counties in South Dakota see fewer highway trucks per day than McCook's roughly 469.
| Traffic | vehicles per day771 |
|---|---|
| Trucks | 7.2% |
| Average travel time | 33.0 min |
| Drivers’ average age | 49.0 yrs |
| Drivers’ average income | $81,680 |
At 23% of vehicle-miles, local roads carry a smaller share of the traffic in McCook County, South Dakota than highways. The average non-highway road carries 771 vehicles per day.
Local roads make up 73% of the monitored road miles (177 miles in 1,089 segments) but carry less than their share of travel: 112,534 vehicle-miles traveled per day (≈41.1 million per year). The truck share on non-highway roads is 7.2%.
Compared to highways, non-highway routes see 54% fewer trucks by share.
Trip origins here have higher average income than 85% of counties in South Dakota. McCook's median driver age is lower than 82% of counties in South Dakota.
The average daily traffic per road sets McCook County apart: 68% below the South Dakota average. Its truck share, by contrast, is 35% above.
| Metric | McCook County | South Dakota average | Difference |
|---|---|---|---|
| Traffic | 1,004 | 3,156 | -68.2% |
| Truck % (Total Traffic) | 13.9% | 10.3% | +35.4% |
| Truck % (Highway) | 15.9% | 13.6% | +16.9% |
| Avg. Travel Time | 34.6 min | 32.5 min | +6.7% |
Compared with its 4 closest neighbours, McCook County moves 2.8 times the total daily travel; it has the second busiest roads of the five. It is bigger rather than busier: the extra travel comes from carrying more road, not from heavier roads.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| McCook County | 1,004 | 13.9% | 496,446 | 34.6 min | N/A |
| Hanson County, South Dakota | 944 | 15.1% | 319,897 | 30.0 min | N/A |
| Turner County, South Dakota | 812 | 7.6% | 152,128 | 37.8 min | N/A |
| Lake County, South Dakota | 1,728 | 7.4% | 188,128 | 30.2 min | N/A |
| Miner County, South Dakota | 731 | 10.8% | 59,736 | 48.7 min | N/A |
| South Dakota average | 3,156 | 10.3% | N/A | 32.5 min | 12.9% |
Highway truck volume places McCook County #5 of 49 in South Dakota - the top quarter of the state.
| Measure | McCook County | South Dakota rank |
|---|---|---|
| Traffic volume (AADT) | 1,004 | #38 of 66 |
| Highway vehicle-miles per day | 383,911 | #10 of 49 |
| Truck share on highways | 15.9% | #13 of 49 |
| Highway trucks per day | 469 | #5 of 49 |
| Average travel time | 34.6 min | #41 of 66 |
| Average driver income | $78,359 | #11 of 66 |
| Average driver age | 45.6 yrs | #54 of 66 |
McCook County ranks #5 of 49 on highway truck volume but #54 of 66 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.
Traffic concentrates on a few corridors: the three busiest roads average 6,669 vehicles a day, against 1,004 on the average road in McCook County.
Purple Heart Memorial Highway is the busiest road, at 13,652 vehicles a day, 2,168 of them trucks (15.9%). No other road comes close: Nebraska Street, in second place, carries 4,426. It tops the truck ranking too, with the most trucks.
Trips using US 81 are long: a median of 64.1 minutes against 34.6 county-wide, the mark of a through route.
Purple Heart Memorial Highway carries through traffic: the median trip using it lasts 48.9 minutes, against 34.6 for the county.
At 4.4 times the county average, Nebraska Street draws drivers from neighborhoods averaging $77,758 in household income.
441st Avenue carries 92% more than the county average on its busiest stretch, where the median trip lasts 31.1 minutes.
At 69% more than the county average, SD 38 draws drivers from neighborhoods averaging $84,417 in household income.
254th Street is busy by local standards, at 57% more than the county average on its busiest stretch; trucks are 5.1% of it, below the county-wide 13.9%.
Drivers on 268th Street are on long journeys, a median 62.0 minutes against 34.6 county-wide: a through route more than a local street.
US 81 peaks at 1,214 vehicles a day, 21% more than the county average; trucks are 17.5% of it, above the county-wide 13.9%.
The average monitored road in McCook carries 1,004 vehicles per day, 68% less than the South Dakota average of 3,156.
Trip origins in McCook have higher average income than 85% of counties in South Dakota.
Weekday traffic has two busy windows: a long morning plateau from 7:00 AM to 12:00 PM and a long afternoon plateau from 3:00 PM to 7:00 PM - about 76% above the daily average.
Approximately 76% of highway traffic and 10% of non-highway traffic consists of vehicles whose trip originates outside McCook County, South Dakota. Most highway traffic here starts elsewhere, so the highways serve the wider region more than the local community.
The average trip in McCook takes 34.6 minutes, 7% longer than the South Dakota average of 32.5 minutes, delays at signals and congestion included.
Drivers on McCook roads have a median age of 46 years, and the median household income of the neighborhoods trips originate from averages $78,359, in line with the South Dakota average.
Trucks make up about 13.9% of all traffic in McCook County, South Dakota, rising to 15.9% on highways, where long-haul freight concentrates.
Purple Heart Memorial Highway carries the most, 13,652 vehicles per day on its busiest stretch, followed by Nebraska Street (4,426), 441st Avenue (1,928), SD 38 (1,700), 254th Street (1,577). Figures are AADT, both directions combined.
Purple Heart Memorial Highway, with about 2,168 trucks per day on its busiest stretch, 15.9% of its 13,652 vehicles.
About 13,652 vehicles per day in both directions on its busiest stretch, including 2,168 trucks (15.9%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to McCook County, South Dakota.
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