This page delivers traffic analytics for Washington County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Washington County, Illinois among 234 road miles divided in 1,421 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 869 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.
2,994
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
18.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
40.5 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.
6.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$75,215
Our data indicates an estimated average traffic volume of 2,994 vehicles per day in Washington County, Illinois that results in 1,213,455 vehicle-miles traveled per day (≈443 million per year). The traffic stream is comprised of an average of 1 truck for every 5 vehicles. Typical time spent behind the wheel per trip is 40.5 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Illinois state averages: At 2,994 vehicles per day, the average monitored road in Washington carries 65% less traffic than the state average of 8,480 vehicles per day - a critical factor for logistics and site planning. In total volume terms, its road network carries 1,213,455 vehicle-miles traveled per day (≈443 million per year), about 0.5% of Illinois's statewide total. At 40.5 minutes, the average travel time is 19% higher than the state level. The congestion ratio of 6.9% is 66% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 50% of counties in Illinois see less traffic than Washington's 2,994 vehicles per day. Its average travel time of 40.5 minutes is longer than 98% 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.
13,678
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
23.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
58.3 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.
29.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$73,484
A significant volume of traffic in Washington County, Illinois utilizes the highway network. The average highway carries 13,678 vehicles per day, 453% more than the average non-highway road in the same area, which carries 2,473 vehicles per day. That average covers 55 highway road miles divided in 66 segments (average segment length 4,405 ft), together carrying 835,127 vehicle-miles traveled per day (≈305 million per year). 72% of counties in Illinois move less traffic on their highways. Trucks constitute 23.3% of highway traffic.
Analytical insight
At 23.3%, highway truck share is 34% higher than the state average, marking Washington as a significant freight corridor - underscoring the importance of highway access for logistics operators. 63% of counties in Illinois see a lower highway truck share than Washington's 23.3%. By raw truck volume, Washington carries more highway trucks than 85% of counties in Illinois.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,473
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.6 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.
5.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$76,343
The non-highway road network in Washington County, Illinois supports a substantial volume of traffic. The average non-highway road carries 2,473 vehicles per day, 82% less than the average highway in the same area, which carries 13,678 vehicles per day. That average covers 179 non-highway road miles divided in 1,355 segments (average segment length 697 ft), together carrying 378,328 vehicle-miles traveled per day (≈138 million per year). Trucks constitute 8.6% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 63% lower than the highway network. At 72% lower than the state level, the non-highway congestion ratio of 5.8% signals easier movement on local roads. Washington's overall average travel time exceeds 98% of counties in Illinois. 58% of counties in Illinois see lower average driver income among trip origins than Washington. The driver population here skews older than 24% of counties in Illinois.
Time-of-Day & Seasonal Patterns
Analytical insight
In Washington County, Illinois, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Washington
Illinois
Average
Difference
Traffic
2,994
8,480
-64.7%
Truck % (Total Traffic)
18.7%
10.2%
+83.8%
Truck % (Highway)
23.3%
17.3%
+34.3%
Avg. Travel Time
40.5 min
34.1 min
+18.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,994 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Washington skews older than 24% of counties in Illinois.
Approximately 73% of highway traffic and 24% of non-highway traffic consists of vehicles whose trip originates outside Washington County, Illinois. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Drivers on Washington roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $75,215 - useful context for retail siting and customer profiling.
Trucks account for approximately 18.7% of the total traffic mix across all road types, with a significantly higher concentration of 23.3% on highways.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 6:00 PM in the evening - about 71% above the daily average.
The average travel time for drivers is 40.5 minutes, offering a standard metric for commute and delivery route planning.
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)
