
Total Traffic Volume & Performance in Will County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day9,536 |
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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. | 32.1 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. | 22.8% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $116,895 |
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Our data shows 9,536 vehicles per day on the average road in Will County, Illinois, and 14,714,640 vehicle-miles traveled per day (≈5.4 billion per year) across its 1,404 miles of monitored roads. Trucks are 10.2% of traffic, close to the 10.2% across Illinois.
Busier roads than 96% of counties in Illinois
Will's average daily traffic volume is 12% higher than the state average - 9,536 vehicles per day against 8,480 - a critical factor for logistics and site planning. In total volume terms, its road network carries about 6.2% of Illinois's statewide total of vehicle-miles. Will carries more traffic than 96% of counties in Illinois.
Journey times run 6% lower than the state level, at 32.1 minutes on average. 76% of counties in Illinois have a longer average travel time than Will's 32.1 minutes.
Congestion is somewhat higher than the state level, at a ratio of 22.8% (10% higher) - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Will County, Illinois
| Traffic | vehicles per day25,001 |
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| Trucks | 19.3% |
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| Average travel time | 43.4 min |
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| Congestion ratio | 48.6% |
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| Drivers’ average age | 46.2 yrs |
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| Drivers’ average income | $109,534 |
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A significant share of driving in Will County, Illinois, 35% of vehicle-miles, happens on highways. The average highway carries 25,001 vehicles per day, 169% more than the average non-highway road in the same area, which carries 9,283 vehicles per day.
Highways make up 14% of the monitored road miles (204 miles, 494 segments), so they carry more than their share: 5,163,081 vehicle-miles traveled per day (≈1.9 billion per year).
By highway travel volume, that ranks Will in the top 3 counties in Illinois.
More highway trucks than 99% of counties in Illinois
The concentration of trucks on highways (19.3%) is 11% higher than the state average for similar road classifications. The highway traffic mix is typical for Illinois: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 53% of counties in Illinois. By raw truck volume, Will carries more highway trucks than 99% of counties in Illinois.

Non-highway Traffic in Will County, Illinois
| Traffic | vehicles per day9,283 |
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| Trucks | 5.3% |
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| Average travel time | 31.9 min |
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| Congestion ratio | 22.3% |
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| Drivers’ average age | 45.2 yrs |
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| Drivers’ average income | $119,546 |
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Local roads carry more than half of all travel in Will County, Illinois (65% of vehicle-miles). On the average non-highway road, that comes to 9,283 vehicles per day.
Local roads make up 86% of the monitored road miles (1,201 miles in 30,123 segments) but carry less than their share of travel: 9,551,559 vehicle-miles traveled per day (≈3.5 billion per year). About 1 in 19 vehicles on non-highway roads is a truck (5.3%).
Drivers from higher-income areas than 97% of counties in Illinois
Non-highway roads carry a truck concentration that's 72% lower than the highway network.
Non-highway congestion (22.3%) runs slightly higher than the state level (8% higher).
Trip origins here have higher average income than 97% of counties in Illinois. Will's median driver age is lower than 93% of counties in Illinois.