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Traffic | vehicles per day2,074 |
|---|---|
Trucks | 22.1% |
Average travel time | 33.6 min |
Congestion ratio | 7.6% |
Drivers’ average age | 49.9 yrs |
Drivers’ average income | $66,248 |
The average monitored road in Johnson County, Illinois carries 2,074 vehicles per day. Across its 181 miles of monitored roads, that adds up to 633,704 vehicle-miles traveled per day (≈231 million per year). Freight weighs heavily here: trucks are 22.1% of traffic, against 10.2% across Illinois.
Johnson sees 76% lower average daily traffic volume than the state average (2,074 vehicles per day against 8,480), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.3% of Illinois's statewide total of vehicle-miles. Johnson carries less traffic than 83% of counties in Illinois.
Journey times here (33.6 minutes on average) closely track the state level. On travel time, Johnson runs shorter than 55% of counties in Illinois.
At 63% lower than the state level, the 7.6% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
| Traffic | vehicles per day3,638 |
|---|---|
| Trucks | 27.5% |
| Average travel time | 51.7 min |
| Congestion ratio | 8.5% |
| Drivers’ average age | 50.0 yrs |
| Drivers’ average income | $68,645 |
Most travel in Johnson County, Illinois happens on highways, 73% of all vehicle-miles. The average highway carries 3,638 vehicles per day, 99% more than the average non-highway road in the same area, which carries 1,829 vehicles per day.
With 40% of the road miles (72 miles in 189 segments), highways punch above their length, carrying 463,074 vehicle-miles traveled per day (≈169 million per year).
Highway truck concentration here runs 58% higher than the state average, at 27.5%. That marks Johnson as a major freight corridor, where highway access is what logistics operators compete on.
83% of counties in Illinois see a lower highway truck share than Johnson's 27.5%. 57% of counties in Illinois see more highway trucks per day than Johnson's roughly 999.
| Traffic | vehicles per day1,829 |
|---|---|
| Trucks | 7.7% |
| Average travel time | 30.8 min |
| Congestion ratio | 7.5% |
| Drivers’ average age | 49.8 yrs |
| Drivers’ average income | $64,139 |
At 27% of vehicle-miles, local roads carry a smaller share of the traffic in Johnson County, Illinois than highways. A typical local road sees 1,829 vehicles per day.
Local roads make up 60% of the monitored road miles (109 miles in 1,205 segments) but carry less than their share of travel: 170,630 vehicle-miles traveled per day (≈62.3 million per year). About 1 in 13 vehicles on non-highway roads is a truck (7.7%).
Non-highway roads carry a truck concentration that's 72% lower than the highway network.
Non-highway congestion (7.5%) runs 64% lower than the state average, pointing to smoother local traffic flow.
71% of counties in Illinois see higher average driver income among trip origins than Johnson. 61% of counties in Illinois have a younger driver population than Johnson.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.
