
Total Traffic Volume & Performance in Tazewell County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,883 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.4 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. | 14.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $82,516 |
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Our data shows 4,883 vehicles per day on the average road in Tazewell County, Illinois, and 3,071,952 vehicle-miles traveled per day (≈1.1 billion per year) across its 634 miles of monitored roads. About 1 in 12 vehicles is a truck, fewer than the 1 in 10 across Illinois.
Shorter trips than 86% of counties in Illinois
At 4,883 vehicles per day, the average monitored road in Tazewell carries 42% less traffic than the state average of 8,480, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Tazewell accounts for about 1.3% of Illinois's statewide total of vehicle-miles. 78% of counties in Illinois see less traffic than Tazewell's 4,883 vehicles per day.
Journey times run 8% lower than the state level, at 31.4 minutes on average. On travel time, Tazewell runs shorter than 86% of counties in Illinois.
Congestion runs 31% lower than the state level, at a ratio of 14.2%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Tazewell County, Illinois
| Traffic | vehicles per day11,045 |
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| Trucks | 12.3% |
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| Average travel time | 37.0 min |
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| Congestion ratio | 26.8% |
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| Drivers’ average age | 47.2 yrs |
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| Drivers’ average income | $87,177 |
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A significant share of driving in Tazewell County, Illinois, 43% of vehicle-miles, happens on highways. The average highway carries 11,045 vehicles per day, 136% more than the average non-highway road in the same area, which carries 4,675 vehicles per day.
Highways make up 19% of the monitored road miles (123 miles, 313 segments), so they carry more than their share: 1,305,861 vehicle-miles traveled per day (≈477 million per year).
That is more highway travel volume than 81% of counties in Illinois.
Lower highway truck share than 84% of counties in Illinois
The concentration of trucks on highways (12.3%) is 29% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 84% of counties in Illinois. Tazewell's highway truck count is lower than 65% of counties in Illinois, at roughly 1,356 trucks per day.

Non-highway Traffic in Tazewell County, Illinois
| Traffic | vehicles per day4,675 |
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| Trucks | 5.2% |
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| Average travel time | 31.2 min |
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| Congestion ratio | 13.8% |
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| Drivers’ average age | 48.3 yrs |
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| Drivers’ average income | $80,643 |
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Local roads carry more than half of all travel in Tazewell County, Illinois (57% of vehicle-miles). A typical local road sees 4,675 vehicles per day.
Spread over 510 miles and 9,274 segments, 81% of the road network, local roads carry a lighter load per mile: 1,766,092 vehicle-miles traveled per day (≈645 million per year). Trucks make up 5.2% of non-highway traffic, about 1 in 19 vehicles.
Drivers from higher-income areas than 79% of counties in Illinois
Compared to highways, non-highway routes see 58% fewer trucks by share.
The non-highway congestion ratio of 13.8% is 33% lower than the state level, suggesting more efficient local mobility than the state average.
79% of counties in Illinois see lower average driver income among trip origins than Tazewell. 70% of counties in Illinois have an older driver population than Tazewell.