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Traffic | vehicles per day2,210 |
|---|---|
Trucks | 11.5% |
Average travel time | 36.3 min |
Congestion ratio | 7.8% |
Drivers’ average age | 49.7 yrs |
Drivers’ average income | $61,682 |
A typical monitored road in Clay County, Illinois sees 2,210 vehicles per day, while its 167 miles of monitored roads together handle 315,384 vehicle-miles traveled per day (≈115 million per year). Trucks are 11.5% of traffic, close to the 10.2% across Illinois.
Clay sees 74% lower average daily traffic volume than the state average (2,210 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 0.1% of Illinois's statewide total of vehicle-miles. By volume, Clay's 2,210 vehicles per day trails 78% of counties in Illinois.
Journey times run 6% higher than the state level, at 36.3 minutes on average. Its average travel time of 36.3 minutes is longer than 84% of counties in Illinois.
At 62% lower than the state level, the 7.8% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
| Traffic | vehicles per day3,780 |
|---|---|
| Trucks | 17.5% |
| Average travel time | 39.1 min |
| Congestion ratio | 9.5% |
| Drivers’ average age | 50.1 yrs |
| Drivers’ average income | $62,759 |
A significant share of driving in Clay County, Illinois, 40% of vehicle-miles, happens on highways. The average highway carries 3,780 vehicles per day, 89% more than the average non-highway road in the same area, which carries 1,996 vehicles per day.
Highways make up 18% of the monitored road miles (29 miles, 154 segments), so they carry more than their share: 124,748 vehicle-miles traveled per day (≈45.5 million per year).
The concentration of trucks on highways (17.5%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Illinois: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 62% of counties in Illinois. Clay's highway truck count is lower than 79% of counties in Illinois, at roughly 663 trucks per day.
| Traffic | vehicles per day1,996 |
|---|---|
| Trucks | 7.5% |
| Average travel time | 35.9 min |
| Congestion ratio | 7.6% |
| Drivers’ average age | 49.6 yrs |
| Drivers’ average income | $61,220 |
A little more than half of the driving in Clay County, Illinois happens on local roads: 60% of all vehicle-miles. The average non-highway road carries 1,996 vehicles per day.
Local roads make up 82% of the monitored road miles (138 miles in 1,129 segments) but carry less than their share of travel: 190,637 vehicle-miles traveled per day (≈69.6 million per year). The truck share on non-highway roads is 7.5%.
Non-highway roads carry a truck concentration that's 57% lower than the highway network.
Non-highway congestion (7.6%) runs 63% lower than the state average, pointing to smoother local traffic flow.
Clay's average driver income is lower than 87% of counties in Illinois. 57% of counties in Illinois have a younger driver population than Clay.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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