Chicago, Illinois Traffic Data

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Total traffic

Traffic

Traffic

The average number of vehicles that travel each day over a mile of the road.

11,000

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles or trucks.

4%

Average travel time

Average travel time

The average time of vehicle travel for all vehicles traveling over the county road network.

20 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time.

1

Drivers’ average age

Drivers’ average age

Average age of drivers in vehicles traveling over the county road network.

30

Drivers’ average income

Drivers’ average income

Average income of drivers in vehicles traveling over the county road network.

$125K

Average distance driven

Average distance driven

The mean length of a trip taken by drivers over the county road network.

30 miles
Estimated annual traffic volume: 4,015,000 vehicles. On average, 1 in every 25 vehicles is a truck. Based on an average trip distance of 30 miles and an average travel time of 20 min, the estimated average travel speed is 90.0 mph.

Highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over a mile of the road.

11,000

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles or trucks.

4%

Average travel time

Average travel time

The average time of vehicle travel for all vehicles traveling over the county highway network.

20 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time.

1

Drivers’ average age

Drivers’ average age

Average age of drivers in vehicles traveling over the county highway network.

30

Drivers’ average income

Drivers’ average income

Average income of drivers in vehicles traveling over the county highway network.

$125K

Average distance driven

Average distance driven

The mean length of a trip taken by drivers over the county road network.

30 miles
Annual highway traffic is 4,015,000 vehicles, nearly the same as non-highway traffic. Trucks make up 4% of highway traffic, which means there are approximately 440 daily trucks on highways within Chicago County, or an estimated 160,600 trucks per year.

Non-highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over a mile of the road.

11,000

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles or trucks.

4%

Average travel time

Average travel time

The average time of vehicle travel for all vehicles traveling over the county non-highway roads.

20 min

Congestion ratio

Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time.

1

Drivers’ average age

Drivers’ average age

Average age of drivers in vehicles traveling over the county non-highway roads.

30

Drivers’ average income

Drivers’ average income

Average income of drivers in vehicles traveling over the county non-highway roads.

$125K

Average distance driven

Average distance driven

The mean length of a trip taken by drivers over the county non-highway roads.

30 miles
Non-highway average travel time is 20 min, which is nearly the same as on highways. Average trip distance on non-highway roads is 30 miles, which is nearly the same as on highways. The average age of non-highway drivers is 30, which is nearly the same as on highways. The average income of non-highway drivers is $125K, which is nearly the same as on highways.
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