
Total Traffic Volume & Performance in Clark County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,935 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 12.3% |
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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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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 6.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $67,743 |
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Our data shows 1,935 vehicles per day on the average road in Clark County, Wisconsin, and 991,930 vehicle-miles traveled per day (≈362 million per year) across its 462 miles of monitored roads. At 12.3%, the truck share runs above the 10.2% across Wisconsin: about 1 in 8 vehicles.
Longer trips than 93% of counties in Wisconsin
At 1,935 vehicles per day, the average monitored road in Clark carries 49% less traffic than the state average of 3,802, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 0.7% of Wisconsin's statewide total. By volume, Clark's 1,935 vehicles per day trails 65% of counties in Wisconsin.
At 37.3 minutes, the average travel time is 16% higher than the state level. 93% of counties in Wisconsin have a shorter average travel time than Clark's 37.3 minutes.
At 52% lower than the state level, the 6.0% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Clark County, Wisconsin
| Traffic | vehicles per day4,833 |
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| Trucks | 14.9% |
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| Average travel time | 54.2 min |
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| Congestion ratio | 8.9% |
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| Drivers’ average age | 48.3 yrs |
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| Drivers’ average income | $67,709 |
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Highways carry more than half of all travel in Clark County, Wisconsin (58% of vehicle-miles). The average highway carries 4,833 vehicles per day, 235% more than the average non-highway road in the same area, which carries 1,441 vehicles per day.
With 22% of the road miles (102 miles in 372 segments), highways punch above their length, carrying 579,917 vehicle-miles traveled per day (≈212 million per year).
Fewer highway trucks than 65% of counties in Wisconsin
At 14.9%, the highway truck share matches 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 60% of counties in Wisconsin. By raw truck volume, Clark carries fewer highway trucks than 65% of counties in Wisconsin.

Non-highway Traffic in Clark County, Wisconsin
| Traffic | vehicles per day1,441 |
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| Trucks | 8.6% |
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| Average travel time | 34.4 min |
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| Congestion ratio | 5.5% |
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| Drivers’ average age | 48.8 yrs |
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| Drivers’ average income | $67,766 |
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A significant share of driving in Clark County, Wisconsin, 42% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 1,441 vehicles per day.
Local roads make up 78% of the monitored road miles (360 miles in 2,180 segments) but carry less than their share of travel: 412,013 vehicle-miles traveled per day (≈150 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.6%).
Local congestion 55% below the Wisconsin average
Non-highway roads carry a truck concentration that's 42% lower than the highway network.
The non-highway congestion ratio of 5.5% is 55% lower than the state level, suggesting more efficient local mobility than the state average.
70% of counties in Wisconsin see higher average driver income among trip origins than Clark. The driver population here skews younger than 70% of counties in Wisconsin.