
Total Traffic Volume & Performance in Macon County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,352 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.2 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. | 15.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $75,679 |
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Our data shows 5,352 vehicles per day on the average road in Macon County, Illinois, and 2,119,631 vehicle-miles traveled per day (≈774 million per year) across its 473 miles of monitored roads. About 1 in 12 vehicles is a truck, fewer than the 1 in 10 across Illinois.
Busier roads than 85% of counties in Illinois
At 5,352 vehicles per day, the average monitored road in Macon carries 37% 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. Across the whole network, that travel is about 0.9% of Illinois's statewide total. Macon carries more traffic than 85% of counties in Illinois.
The average trip takes 35.2 minutes, on par with the state level. 74% of counties in Illinois have a shorter average travel time than Macon's 35.2 minutes.
Congestion runs 23% lower than the state level, at a ratio of 15.9%, which means smoother traffic flow - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Macon County, Illinois
| Traffic | vehicles per day5,532 |
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| Trucks | 12.9% |
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| Average travel time | 38.5 min |
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| Congestion ratio | 13.6% |
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| Drivers’ average age | 49.9 yrs |
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| Drivers’ average income | $85,581 |
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A significant share of driving in Macon County, Illinois, 32% of vehicle-miles, happens on highways. The average highway carries 5,532 vehicles per day, about the same as the average non-highway road in the same area (5,346 vehicles per day).
With 25% of the road miles (119 miles in 240 segments), highways punch above their length, carrying 673,179 vehicle-miles traveled per day (≈246 million per year).
58% of counties in Illinois move less traffic on their highways.
Fewer highway trucks than 81% of counties in Illinois
Highway truck concentration here runs 26% lower than the state average, at 12.9%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Macon's highway truck share (12.9%) is lower than 80% of counties in Illinois. By raw truck volume, Macon carries fewer highway trucks than 81% of counties in Illinois.

Non-highway Traffic in Macon County, Illinois
| Traffic | vehicles per day5,346 |
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| Trucks | 5.8% |
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| Average travel time | 35.1 min |
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| Congestion ratio | 15.9% |
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| Drivers’ average age | 49.6 yrs |
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| Drivers’ average income | $73,389 |
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A little more than half of the driving in Macon County, Illinois happens on local roads: 68% of all vehicle-miles. A typical local road sees 5,346 vehicles per day.
Local roads also make up about 75% of the monitored road miles: 354 miles in 7,387 segments, together carrying 1,446,453 vehicle-miles traveled per day (≈528 million per year). The truck share on non-highway roads is 5.8%.
Local roads carry 55% fewer trucks by share than highways
Compared to highways, non-highway routes see 55% fewer trucks by share.
Non-highway congestion (15.9%) runs 23% lower than the state average, pointing to smoother local traffic flow.
Macon's average driver income is higher than 59% of counties in Illinois. Macon's median driver age is higher than 54% of counties in Illinois.