This page delivers traffic analytics for DuPage County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for DuPage County, Illinois among 970 road miles divided in 31,794 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 161 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
15,271
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
27.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$120,296
Our data indicates an estimated average traffic volume of 15,271 vehicles per day in DuPage County, Illinois that results in 17,222,153 vehicle-miles traveled per day (≈6.3 billion per year). The traffic stream is comprised of an average of 1 truck for every 15 vehicles. Typical time spent behind the wheel per trip is 33.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Illinois state averages: DuPage's average daily traffic volume is 80% higher than the state average - 15,271 vehicles per day against 8,480 - suggesting more traffic load per road, a critical factor for logistics and site planning. In total volume terms, its road network carries 17,222,153 vehicle-miles traveled per day (≈6.3 billion per year), about 7.2% of Illinois's statewide total. At 33.2 minutes, the average travel time is 3% lower than the state level. At 33% higher than the state level, the 27.4% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. DuPage stands out as having the highest traffic volume in Illinois - 15,271 vehicles per day. On travel time, DuPage runs longer than 40% of counties in Illinois.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
36,026
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
41.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
53.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$114,277
A significant volume of traffic in DuPage County, Illinois utilizes the highway network. The average highway carries 36,026 vehicles per day, 145% more than the average non-highway road in the same area, which carries 14,709 vehicles per day. That average covers 170 highway road miles divided in 839 segments (average segment length 1,069 ft), together carrying 6,915,690 vehicle-miles traveled per day (≈2.5 billion per year). No more than 2 other counties in Illinois move more traffic on their highways. Trucks constitute 10.4% of highway traffic.
Analytical insight
Highway truck concentration here runs 40% lower than the state average, at 10.4% - positioning DuPage as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 5% of counties in Illinois see a lower highway truck share than DuPage's 10.4%. 95% of counties in Illinois see fewer highway trucks per day than DuPage's roughly 3,765.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
14,709
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.0 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
26.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$123,132
The non-highway road network in DuPage County, Illinois supports a substantial volume of traffic. The average non-highway road carries 14,709 vehicles per day, 59% less than the average highway in the same area, which carries 36,026 vehicles per day. That average covers 801 non-highway road miles divided in 30,955 segments (average segment length 137 ft), together carrying 10,306,463 vehicle-miles traveled per day (≈3.8 billion per year). Trucks constitute 4.2% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 60% lower than on highways. At 29% higher than the state level, the non-highway congestion ratio of 26.7% signals more friction on local roads. Overall, average travel time here is longer than 40% of counties in Illinois. Trip origins here have higher average income than 99% of counties in Illinois. DuPage's median driver age is higher than 14% of counties in Illinois.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 67% higher than the daily average.
Weekend traffic:
Weekend volumes run about 32% below weekday levels.
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +4% versus the annual average.
Lowest month:
January is the quietest month, with volumes -8% versus the annual average.
Analytical insight
In DuPage County, Illinois, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +4% in high season.
Traffic Flow Profile Comparison
Metric
DuPage
Illinois
Average
Difference
Traffic
15,271
8,480
+80.1%
Truck % (Total Traffic)
6.7%
10.2%
-34.1%
Truck % (Highway)
10.4%
17.3%
-39.7%
Avg. Travel Time
33.2 min
34.1 min
-2.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 15,271 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - DuPage has the highest average traffic volume of any county in Illinois, at 15,271 vehicles per day.
The average travel time for drivers is 33.2 minutes, offering a standard metric for commute and delivery route planning.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 67% above the daily average.
Drivers on DuPage roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $120,296 - useful context for retail siting and customer profiling.
Trucks account for approximately 6.7% of the total traffic mix across all road types, with a significantly higher concentration of 10.4% on highways.
Traffic volumes are typically 4% higher during May–July. Volumes drop to their lowest levels in January, averaging 14,104 vehicles per day - a 8% decrease from the annual average.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
