
Total Traffic Volume & Performance in Iowa County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,672 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 37.5 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. | 6.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $80,634 |
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Our data shows 1,672 vehicles per day on the average road in Iowa County, Wisconsin, and 842,613 vehicle-miles traveled per day (≈308 million per year) across its 471 miles of monitored roads. Trucks are 10.2% of traffic, close to the 10.2% across Wisconsin.
Longer trips than 96% of counties in Wisconsin
Iowa's average daily traffic volume is 56% lower than the state average - 1,672 vehicles per day against 3,802 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.6% of Wisconsin's statewide total. By volume, Iowa's 1,672 vehicles per day trails 80% of counties in Wisconsin.
Journey times run 17% higher than the state level, at 37.5 minutes on average. On travel time, Iowa runs longer than 96% of counties in Wisconsin.
At 45% lower than the state level, the 6.9% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Iowa County, Wisconsin
| Traffic | vehicles per day6,234 |
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| Trucks | 12.6% |
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| Average travel time | 53.9 min |
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| Congestion ratio | 13.3% |
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| Drivers’ average age | 45.2 yrs |
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| Drivers’ average income | $79,857 |
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Highways carry a significant share of travel in Iowa County, Wisconsin: 45% of all vehicle-miles. The average highway carries 6,234 vehicles per day, 331% more than the average non-highway road in the same area, which carries 1,447 vehicles per day.
That comes from just 13% of the monitored road miles: 61 miles in 193 segments, carrying 376,266 vehicle-miles traveled per day (≈137 million per year).
Lower highway truck share than 70% of counties in Wisconsin
Highway truck concentration here runs 14% lower than the state average, at 12.6%. The highway traffic mix is typical for Wisconsin: neither freight- nor commuter-dominated.
Iowa's highway truck share (12.6%) is lower than 70% of counties in Wisconsin. Iowa's highway truck count is lower than 70% of counties in Wisconsin, at roughly 784 trucks per day.

Non-highway Traffic in Iowa County, Wisconsin
| Traffic | vehicles per day1,447 |
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| Trucks | 8.3% |
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| Average travel time | 36.8 min |
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| Congestion ratio | 6.5% |
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| Drivers’ average age | 50.1 yrs |
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| Drivers’ average income | $81,045 |
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A little more than half of the driving in Iowa County, Wisconsin happens on local roads: 55% of all vehicle-miles. A typical local road sees 1,447 vehicles per day.
Local roads make up 87% of the monitored road miles (410 miles in 3,905 segments) but carry less than their share of travel: 466,347 vehicle-miles traveled per day (≈170 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.3%).
Younger drivers than 79% of counties in Wisconsin
Non-highway roads carry a truck concentration that's 34% lower than the highway network.
Non-highway congestion (6.5%) runs 46% lower than the state average, pointing to smoother local traffic flow.
Iowa's average driver income is higher than 73% of counties in Wisconsin. The driver population here skews younger than 79% of counties in Wisconsin.