
Total Traffic Volume & Performance in Jackson County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,295 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.3 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. | 8.8% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 44.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $58,895 |
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A typical monitored road in Jackson County, Illinois sees 3,295 vehicles per day, while its 268 miles of monitored roads together handle 904,755 vehicle-miles traveled per day (≈330 million per year). Trucks are a smaller part of the mix than across Illinois: 6.4% against 10.2%.
Traffic 61% below the Illinois average
Jackson sees 61% lower average daily traffic volume than the state average (3,295 vehicles per day against 8,480), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.4% of Illinois's statewide total of vehicle-miles. By volume, Jackson's 3,295 vehicles per day outpaces 61% of counties in Illinois.
The average trip takes 34.3 minutes, on par with the state level. On travel time, Jackson runs longer than 65% of counties in Illinois.
The congestion ratio of 8.8% is 57% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jackson County, Illinois
| Traffic | vehicles per day12,199 |
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| Trucks | 5.7% |
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| Average travel time | 33.6 min |
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| Congestion ratio | 23.5% |
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| Drivers’ average age | 45.8 yrs |
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| Drivers’ average income | $60,875 |
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A significant share of driving in Jackson County, Illinois, 31% of vehicle-miles, happens on highways. The average highway carries 12,199 vehicles per day, 327% more than the average non-highway road in the same area, which carries 2,856 vehicles per day.
Highways make up 11% of the monitored road miles (29 miles, 211 segments), so they carry more than their share: 283,604 vehicle-miles traveled per day (≈104 million per year).
The lowest highway truck share of any county in Illinois
At 5.7%, highway truck share is 67% lower than the state average. Highways here carry mainly commuter and local trips, with little through freight.
By share, Jackson has the lowest highway truck concentration in Illinois, at 5.7%. Jackson's highway truck count is lower than 88% of counties in Illinois, at roughly 695 trucks per day.

Non-highway Traffic in Jackson County, Illinois
| Traffic | vehicles per day2,856 |
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| Trucks | 6.7% |
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| Average travel time | 34.3 min |
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| Congestion ratio | 8.1% |
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| Drivers’ average age | 42.5 yrs |
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| Drivers’ average income | $57,812 |
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A little more than half of the driving in Jackson County, Illinois happens on local roads: 69% of all vehicle-miles. A typical local road sees 2,856 vehicles per day.
Spread over 238 miles and 4,273 segments, 89% of the road network, local roads carry a lighter load per mile: 621,150 vehicle-miles traveled per day (≈227 million per year). Trucks make up 6.7% of non-highway traffic, about 1 in 15 vehicles.
Younger drivers than 96% of counties in Illinois
Unusually, non-highway roads carry a truck concentration that's 18% higher than the highway network.
The non-highway congestion ratio of 8.1% is 61% lower than the state level, suggesting more efficient local mobility than the state average.
94% of counties in Illinois see higher average driver income among trip origins than Jackson. Jackson's median driver age is lower than 96% of counties in Illinois.