
Total Traffic Volume & Performance in Winnebago County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day6,473 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.9 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. | 19.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $81,056 |
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The average monitored road in Winnebago County, Illinois carries 6,473 vehicles per day. Across its 823 miles of monitored roads, that adds up to 5,336,855 vehicle-miles traveled per day (≈1.9 billion per year). Trucks are 9.7% of traffic, close to the 10.2% across Illinois.
Busier roads than 88% of counties in Illinois
Winnebago's average daily traffic volume is 24% lower than the state average - 6,473 vehicles per day against 8,480 - 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 2.2% of Illinois's statewide total of vehicle-miles. By volume, Winnebago's 6,473 vehicles per day outpaces 88% of counties in Illinois.
The average trip takes 34.9 minutes, on par with the state level. 72% of counties in Illinois have a shorter average travel time than Winnebago's 34.9 minutes.
The congestion ratio of 19.3% runs slightly lower than the state level (6% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Winnebago County, Illinois
| Traffic | vehicles per day13,132 |
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| Trucks | 20.4% |
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| Average travel time | 46.1 min |
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| Congestion ratio | 25.8% |
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| Drivers’ average age | 49.8 yrs |
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| Drivers’ average income | $87,688 |
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Highways carry a smaller share of travel in Winnebago County, Illinois, 30% of vehicle-miles; most driving happens on local roads. The average highway carries 13,132 vehicles per day, 107% more than the average non-highway road in the same area, which carries 6,352 vehicles per day.
With 13% of the road miles (106 miles in 267 segments), highways punch above their length, carrying 1,595,714 vehicle-miles traveled per day (≈582 million per year).
By highway travel volume, Winnebago outranks 86% of counties in Illinois.
More highway trucks than 77% of counties in Illinois
The concentration of trucks on highways (20.4%) is 18% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
51% of counties in Illinois see a lower highway truck share than Winnebago's 20.4%. By raw truck volume, Winnebago carries more highway trucks than 77% of counties in Illinois.

Non-highway Traffic in Winnebago County, Illinois
| Traffic | vehicles per day6,352 |
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| Trucks | 5.1% |
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| Average travel time | 34.7 min |
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| Congestion ratio | 19.2% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $79,887 |
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Most travel in Winnebago County, Illinois happens on local roads, 70% of all vehicle-miles. A typical local road sees 6,352 vehicles per day.
Their share of road miles is similar, 87% (717 miles in 14,692 segments), carrying 3,741,142 vehicle-miles traveled per day (≈1.4 billion per year). Trucks make up 5.1% of non-highway traffic, about 1 in 20 vehicles.
Drivers from higher-income areas than 76% of counties in Illinois
Compared to highways, non-highway routes see 75% fewer trucks by share.
Non-highway congestion (19.2%) runs slightly lower than the state level (7% lower).
Trip origins here have higher average income than 76% of counties in Illinois. 61% of counties in Illinois have an older driver population than Winnebago.