
Total Traffic Volume & Performance in Iron County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,150 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 13.9% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.9 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. | 8.8% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 57.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $58,074 |
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A typical monitored road in Iron County, Wisconsin sees 2,150 vehicles per day, while its 124 miles of monitored roads together handle 211,186 vehicle-miles traveled per day (≈77.1 million per year). Trucks are 13.9% of traffic, more than the 10.2% across Wisconsin.
Shorter trips than 83% of counties in Wisconsin
Iron sees 43% lower average daily traffic volume than the state average (2,150 vehicles per day against 3,802), 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 0.2% of Wisconsin's statewide total of vehicle-miles. Iron carries less traffic than 58% of counties in Wisconsin.
At 29.9 minutes, the average travel time is 7% lower than the state level. On travel time, Iron runs shorter than 83% of counties in Wisconsin.
At 30% lower than the state level, the 8.8% congestion ratio signals smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Iron County, Wisconsin
| Traffic | vehicles per day3,485 |
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| Trucks | 15.2% |
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| Average travel time | 41.8 min |
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| Congestion ratio | 9.9% |
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| Drivers’ average age | 58.6 yrs |
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| Drivers’ average income | $58,328 |
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Highways carry most of the traffic in Iron County, Wisconsin: 77% of all vehicle-miles. The average highway carries 3,485 vehicles per day, 203% more than the average non-highway road in the same area, which carries 1,150 vehicles per day.
With 41% of the road miles (52 miles in 478 segments), highways punch above their length, carrying 163,295 vehicle-miles traveled per day (≈59.6 million per year).
Fewer highway trucks than 95% of counties in Wisconsin
The concentration of trucks on highways (15.2%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Wisconsin: neither freight- nor commuter-dominated.
Iron's highway truck share (15.2%) is higher than 67% of counties in Wisconsin. Iron's highway truck count is lower than 95% of counties in Wisconsin, at roughly 528 trucks per day.

Non-highway Traffic in Iron County, Wisconsin
| Traffic | vehicles per day1,150 |
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| Trucks | 9.6% |
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| Average travel time | 21.0 min |
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| Congestion ratio | 8.0% |
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| Drivers’ average age | 55.9 yrs |
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| Drivers’ average income | $57,606 |
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Local roads carry a smaller share of travel in Iron County, Wisconsin, 23% of vehicle-miles; most driving happens on highways. A typical local road sees 1,150 vehicles per day.
Local roads make up 59% of the monitored road miles (73 miles in 638 segments) but carry less than their share of travel: 47,891 vehicle-miles traveled per day (≈17.5 million per year). The truck share on non-highway roads is 9.6%.
Drivers from lower-income areas than 99% of counties in Wisconsin
Non-highway roads carry a truck concentration that's 37% lower than the highway network.
At 34% lower than the state level, the non-highway congestion ratio of 8.0% signals easier movement on local roads.
Iron's average driver income is lower than 99% of counties in Wisconsin. 97% of counties in Wisconsin have a younger driver population than Iron.