
Total Traffic Volume & Performance in Henry County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,063 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 18.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.0 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. | 9.1% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $79,346 |
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The average monitored road in Henry County, Illinois carries 3,063 vehicles per day. Across its 534 miles of monitored roads, that adds up to 1,798,000 vehicle-miles traveled per day (≈656 million per year). Freight weighs heavily here: trucks are 18.5% of traffic, against 10.2% across Illinois.
Traffic 64% below the Illinois average
Henry's average daily traffic volume is 64% lower than the state average - 3,063 vehicles per day against 8,480 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 0.8% of Illinois's statewide total. 54% of counties in Illinois see less traffic than Henry's 3,063 vehicles per day.
The average trip takes 32.0 minutes, 6% lower than the state level. On travel time, Henry runs shorter than 77% of counties in Illinois.
At 56% lower than the state level, the 9.1% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Henry County, Illinois
| Traffic | vehicles per day8,385 |
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| Trucks | 26.3% |
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| Average travel time | 52.5 min |
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| Congestion ratio | 17.8% |
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| Drivers’ average age | 50.8 yrs |
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| Drivers’ average income | $77,643 |
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Highways carry more than half of all travel in Henry County, Illinois (58% of vehicle-miles). The average highway carries 8,385 vehicles per day, 208% more than the average non-highway road in the same area, which carries 2,719 vehicles per day.
Highways make up 22% of the monitored road miles (119 miles, 184 segments), so they carry more than their share: 1,036,184 vehicle-miles traveled per day (≈378 million per year).
78% of counties in Illinois move less traffic on their highways.
Higher highway truck share than 77% of counties in Illinois
At 26.3%, highway truck share is 52% higher than the state average. That marks Henry as a major freight corridor, where highway access is what logistics operators compete on.
77% of counties in Illinois see a lower highway truck share than Henry's 26.3%. Henry's highway truck count is higher than 56% of counties in Illinois, at roughly 2,207 trucks per day.

Non-highway Traffic in Henry County, Illinois
| Traffic | vehicles per day2,719 |
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| Trucks | 7.9% |
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| Average travel time | 30.7 min |
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| Congestion ratio | 8.5% |
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| Drivers’ average age | 50.5 yrs |
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| Drivers’ average income | $80,025 |
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Local roads carry a significant share of travel in Henry County, Illinois: 42% of all vehicle-miles. On the average non-highway road, that comes to 2,719 vehicles per day.
Spread over 415 miles and 2,849 segments, 78% of the road network, local roads carry a lighter load per mile: 761,816 vehicle-miles traveled per day (≈278 million per year). The truck share on non-highway roads is 7.9%.
Local congestion 59% below the Illinois average
Compared to highways, non-highway routes see 70% fewer trucks by share.
At 59% lower than the state level, the non-highway congestion ratio of 8.5% signals easier movement on local roads.
73% of counties in Illinois see lower average driver income among trip origins than Henry. The driver population here skews older than 71% of counties in Illinois.