
Total Traffic Volume & Performance in Jersey County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,778 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.3% |
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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. | 10.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $80,631 |
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The average monitored road in Jersey County, Illinois carries 3,778 vehicles per day. Across its 142 miles of monitored roads, that adds up to 403,938 vehicle-miles traveled per day (≈147 million per year). Trucks are 9.3% of traffic, close to the 10.2% across Illinois.
Shorter trips than 87% of counties in Illinois
Jersey's average daily traffic volume is 55% lower than the state average - 3,778 vehicles per day against 8,480 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.2% of Illinois's statewide total. By volume, Jersey's 3,778 vehicles per day outpaces 69% of counties in Illinois.
At 31.4 minutes, the average travel time is 8% lower than the state level. On travel time, Jersey runs shorter than 87% of counties in Illinois.
The congestion ratio of 10.7% is 48% lower, pointing to smoother traffic flow than the state level - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jersey County, Illinois
| Traffic | vehicles per day10,218 |
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| Trucks | 11.1% |
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| Average travel time | 31.4 min |
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| Congestion ratio | 24.5% |
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| Drivers’ average age | 51.0 yrs |
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| Drivers’ average income | $77,519 |
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A significant share of driving in Jersey County, Illinois, 33% of vehicle-miles, happens on highways. The average highway carries 10,218 vehicles per day, 289% more than the average non-highway road in the same area, which carries 2,626 vehicles per day.
Highways make up 14% of the monitored road miles (19 miles, 310 segments), so they carry more than their share: 132,590 vehicle-miles traveled per day (≈48.4 million per year).
Lower highway truck share than 90% of counties in Illinois
The concentration of trucks on highways (11.1%) is 36% 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.
90% of counties in Illinois see a higher highway truck share than Jersey's 11.1%. 78% of counties in Illinois see more highway trucks per day than Jersey's roughly 1,131.

Non-highway Traffic in Jersey County, Illinois
| Traffic | vehicles per day2,626 |
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| Trucks | 8.5% |
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| Average travel time | 31.4 min |
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| Congestion ratio | 8.3% |
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| Drivers’ average age | 51.2 yrs |
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| Drivers’ average income | $82,707 |
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Local roads carry more than half of all travel in Jersey County, Illinois (67% of vehicle-miles). The average non-highway road carries 2,626 vehicles per day.
Local roads make up 86% of the monitored road miles (123 miles in 1,733 segments) but carry less than their share of travel: 271,349 vehicle-miles traveled per day (≈99.0 million per year). Trucks make up 8.5% of non-highway traffic, about 1 in 12 vehicles.
Local congestion 60% below the Illinois average
The concentration of trucks on non-highway roads is 23% lower than on highways.
At 60% lower than the state level, the non-highway congestion ratio of 8.3% signals easier movement on local roads.
Trip origins here have higher average income than 75% of counties in Illinois. 78% of counties in Illinois have a younger driver population than Jersey.