
Total Traffic Volume & Performance in Marathon County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,008 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.8 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. | 11.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $79,648 |
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The average monitored road in Marathon County, Wisconsin carries 4,008 vehicles per day. Across its 1,115 miles of monitored roads, that adds up to 3,605,930 vehicle-miles traveled per day (≈1.3 billion per year). About 1 in 10 vehicles is a truck, in line with Wisconsin (10.2%).
Busier roads than 82% of counties in Wisconsin
At 4,008 vehicles per day, the average road in Marathon carries somewhat more traffic than the state average of 3,802 (5% more). Network-wide, Marathon accounts for about 2.7% of Wisconsin's statewide total of vehicle-miles. 82% of counties in Wisconsin see less traffic than Marathon's 4,008 vehicles per day.
At 30.8 minutes, the average travel time matches the state level closely. Its average travel time of 30.8 minutes is shorter than 73% of counties in Wisconsin.
The congestion ratio of 11.6% runs slightly lower than the state level (7% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Marathon County, Wisconsin
| Traffic | vehicles per day9,792 |
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| Trucks | 13.6% |
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| Average travel time | 36.5 min |
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| Congestion ratio | 20.2% |
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| Drivers’ average age | 49.4 yrs |
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| Drivers’ average income | $80,247 |
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Travel in Marathon County, Wisconsin splits roughly evenly, with about half of it (54% of vehicle-miles) on highways. The average highway carries 9,792 vehicles per day, 167% more than the average non-highway road in the same area, which carries 3,666 vehicles per day.
Yet highways are only 18% of the road network, 197 miles in 583 segments, so each mile of them is 3.0 times as busy as the average road mile.
That is more highway travel volume than 89% of counties in Wisconsin.
A typical mix of freight and passenger traffic
At 13.6%, highway truck share is 8% lower than the state average. The highway traffic mix is typical for Wisconsin: neither freight- nor commuter-dominated.
Marathon's highway truck share (13.6%) is lower than 56% of counties in Wisconsin. 58% of counties in Wisconsin see fewer highway trucks per day than Marathon's roughly 1,327.

Non-highway Traffic in Marathon County, Wisconsin
| Traffic | vehicles per day3,666 |
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| Trucks | 6.0% |
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| Average travel time | 30.4 min |
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| Congestion ratio | 11.1% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $79,277 |
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Travel in Marathon County, Wisconsin splits roughly evenly, with about half of it (46% of vehicle-miles) on local roads. The average non-highway road carries 3,666 vehicles per day.
Spread over 917 miles and 9,831 segments, 82% of the road network, local roads carry a lighter load per mile: 1,661,076 vehicle-miles traveled per day (≈606 million per year). Trucks make up 6.0% of non-highway traffic, about 1 in 17 vehicles.
Drivers from higher-income areas than 69% of counties in Wisconsin
The concentration of trucks on non-highway roads is 55% lower than on highways.
Non-highway congestion (11.1%) runs slightly lower than the state level (9% lower).
69% of counties in Wisconsin see lower average driver income among trip origins than Marathon. Marathon's median driver age is lower than 69% of counties in Wisconsin.