
Total Traffic Volume & Performance in Sumner County, Kansas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,378 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 19.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 37.3 min |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $67,307 |
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A typical monitored road in Sumner County, Kansas sees 2,378 vehicles per day, while its 358 miles of monitored roads together handle 1,029,265 vehicle-miles traveled per day (≈376 million per year). Freight weighs heavily here: trucks are 19.7% of traffic, against 10.2% across Kansas.
Traffic 44% below the Kansas average
Sumner sees 44% lower average daily traffic volume than the state average (2,378 vehicles per day against 4,243), suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 1.4% of Kansas's statewide total of vehicle-miles. By volume, Sumner's 2,378 vehicles per day outpaces 65% of counties in Kansas.
At 37.3 minutes, the average travel time is 17% higher than the state level. On travel time, Sumner runs longer than 68% of counties in Kansas.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Sumner County, Kansas
| Traffic | vehicles per day7,542 |
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| Trucks | 27.9% |
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| Average travel time | 55.4 min |
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| Drivers’ average age | 47.9 yrs |
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| Drivers’ average income | $71,366 |
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A little more than half of the driving in Sumner County, Kansas happens on highways: 56% of all vehicle-miles. The average highway carries 7,542 vehicles per day, 237% more than the average non-highway road in the same area, which carries 2,235 vehicles per day.
Yet highways are only 19% of the road network, 67 miles in 83 segments, so each mile of them is 3.0 times as busy as the average road mile.
That is more highway travel volume than 78% of counties in Kansas.
The highest highway truck share of any county in Kansas
Highway truck concentration here runs 94% higher than the state average, at 27.9%. That marks Sumner as a major freight corridor, where highway access is what logistics operators compete on.
Sumner also posts the highest highway truck share in Kansas - 27.9%. Sumner also moves the highest raw count of highway trucks in Kansas, at roughly 2,416 per day.

Non-highway Traffic in Sumner County, Kansas
| Traffic | vehicles per day2,235 |
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| Trucks | 9.2% |
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| Average travel time | 36.8 min |
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| Drivers’ average age | 49.9 yrs |
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| Drivers’ average income | $65,720 |
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A significant share of driving in Sumner County, Kansas, 44% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 2,235 vehicles per day.
Spread over 292 miles and 3,011 segments, 81% of the road network, local roads carry a lighter load per mile: 451,925 vehicle-miles traveled per day (≈165 million per year). The truck share on non-highway roads is 9.2%.
Local roads carry 67% fewer trucks by share than highways
Non-highway roads carry a truck concentration that's 67% lower than the highway network.
Trip origins here have higher average income than 51% of counties in Kansas. 52% of counties in Kansas have an older driver population than Sumner.