
Total Traffic Volume & Performance in Jefferson County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,946 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.9 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 8.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $88,757 |
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A typical monitored road in Jefferson County, Wisconsin sees 2,946 vehicles per day, while its 566 miles of monitored roads together handle 2,336,220 vehicle-miles traveled per day (≈853 million per year). About 1 in 9 vehicles is a truck, in line with Wisconsin (10.2%).
Busier roads than 68% of counties in Wisconsin
Jefferson's average daily traffic volume is 23% lower than the state average - 2,946 vehicles per day against 3,802 - suggesting less traffic load per road - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 1.8% of Wisconsin's statewide total of vehicle-miles. 68% of counties in Wisconsin see less traffic than Jefferson's 2,946 vehicles per day.
The average trip takes 31.9 minutes, on par with the state level. On travel time, Jefferson runs shorter than 63% of counties in Wisconsin.
At 31% lower than the state level, the 8.6% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jefferson County, Wisconsin
| Traffic | vehicles per day9,371 |
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| Trucks | 14.9% |
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| Average travel time | 51.4 min |
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| Congestion ratio | 24.4% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $94,168 |
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A little more than half of the driving in Jefferson County, Wisconsin happens on highways: 59% of all vehicle-miles. The average highway carries 9,371 vehicles per day, 253% more than the average non-highway road in the same area, which carries 2,654 vehicles per day.
Highways make up 22% of the monitored road miles (123 miles, 387 segments), so they carry more than their share: 1,373,952 vehicle-miles traveled per day (≈501 million per year).
By highway travel volume, Jefferson outranks 81% of counties in Wisconsin.
More highway trucks than 65% of counties in Wisconsin
The concentration of trucks on highways (14.9%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Wisconsin: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 61% of counties in Wisconsin. Jefferson's highway truck count is higher than 65% of counties in Wisconsin, at roughly 1,395 trucks per day.

Non-highway Traffic in Jefferson County, Wisconsin
| Traffic | vehicles per day2,654 |
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| Trucks | 6.4% |
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| Average travel time | 31.0 min |
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| Congestion ratio | 7.9% |
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| Drivers’ average age | 47.6 yrs |
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| Drivers’ average income | $85,331 |
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Local roads carry a significant share of travel in Jefferson County, Wisconsin: 41% of all vehicle-miles. The average non-highway road carries 2,654 vehicles per day.
Local roads make up 78% of the monitored road miles (443 miles in 8,522 segments) but carry less than their share of travel: 962,268 vehicle-miles traveled per day (≈351 million per year). The truck share on non-highway roads is 6.4%.
Drivers from higher-income areas than 89% of counties in Wisconsin
The concentration of trucks on non-highway roads is 57% lower than on highways.
Non-highway congestion (7.9%) runs 35% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have higher average income than 89% of counties in Wisconsin. Jefferson's median driver age is lower than 73% of counties in Wisconsin.