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Traffic | vehicles per day14,119 |
|---|---|
Trucks | 7.1% |
Average travel time | 35.4 min |
Congestion ratio | 30.7% |
Drivers’ average age | 45.2 yrs |
Drivers’ average income | $99,445 |
The average monitored road in Cook County, Illinois carries 14,119 vehicles per day. Across its 3,934 miles of monitored roads, that adds up to 63,800,268 vehicle-miles traveled per day (≈23.3 billion per year). Trucks are a smaller part of the mix than across Illinois: 7.1% against 10.2%.
At 14,119 vehicles per day, the average monitored road in Cook carries 67% more traffic than the state average of 8,480, suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. Network-wide, Cook accounts for about 27% of Illinois's statewide total of vehicle-miles. Cook carries more traffic than 99% of counties in Illinois.
The average trip takes 35.4 minutes, on par with the state level. Its average travel time of 35.4 minutes is longer than 77% of counties in Illinois.
The congestion ratio of 30.7% is 49% higher, pointing to more pronounced congestion than the state level - a factor for delivery windows and signal timing.
| Traffic | vehicles per day39,126 |
|---|---|
| Trucks | 11.0% |
| Average travel time | 42.1 min |
| Congestion ratio | 54.0% |
| Drivers’ average age | 44.8 yrs |
| Drivers’ average income | $102,136 |
Highways carry a significant share of travel in Cook County, Illinois: 38% of all vehicle-miles. The average highway carries 39,126 vehicles per day, 187% more than the average non-highway road in the same area, which carries 13,636 vehicles per day.
Highways make up 15% of the monitored road miles (585 miles, 2,956 segments), so they carry more than their share: 24,180,581 vehicle-miles traveled per day (≈8.8 billion per year).
By highway travel volume, Cook ranks first in Illinois.
The concentration of trucks on highways (11.0%) is 36% lower than the state average for similar road classifications. Trucks are a small share of a very large highway flow, so Cook still moves heavy freight volumes alongside its passenger traffic.
By truck concentration, highways here trail 91% of counties in Illinois. By raw truck volume, Cook carries more highway trucks than 96% of counties in Illinois.
| Traffic | vehicles per day13,636 |
|---|---|
| Trucks | 4.6% |
| Average travel time | 35.3 min |
| Congestion ratio | 30.3% |
| Drivers’ average age | 45.5 yrs |
| Drivers’ average income | $98,192 |
Local roads carry more than half of all travel in Cook County, Illinois (62% of vehicle-miles). A typical local road sees 13,636 vehicles per day.
Spread over 3,349 miles and 153,044 segments, 85% of the road network, local roads carry a lighter load per mile: 39,619,687 vehicle-miles traveled per day (≈14.5 billion per year). The truck share on non-highway roads is 4.6%.
The concentration of trucks on non-highway roads is 58% lower than on highways.
At 47% higher than the state level, the non-highway congestion ratio of 30.3% signals more friction on local roads.
Cook's average driver income is higher than 94% of counties in Illinois. Cook's median driver age is lower than 94% of counties in Illinois.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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