This page delivers traffic analytics for Clay County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Clay County, Illinois among 167 road miles divided in 1,283 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 689 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.
2,210
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
36.3 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.
7.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.7 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$61,682
Our data indicates an estimated average traffic volume of 2,210 vehicles per day in Clay County, Illinois that results in 315,384 vehicle-miles traveled per day (≈115 million per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 36.3 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Illinois state averages: Clay's average daily traffic volume is 74% lower than the state average - 2,210 vehicles per day against 8,480 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 315,384 vehicle-miles traveled per day (≈115 million per year), roughly 0.1% of Illinois's statewide total. At 36.3 minutes, the average travel time is 6% higher than the state level. At 62% lower than the state level, the 7.8% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. Clay carries more traffic than 22% of counties in Illinois. Its average travel time of 36.3 minutes is longer than 84% 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.
3,780
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
17.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.1 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.
9.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$62,759
A significant volume of traffic in Clay County, Illinois utilizes the highway network. 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. That average covers 29 highway road miles divided in 154 segments (average segment length 1,007 ft), together carrying 124,748 vehicle-miles traveled per day (≈45.5 million per year). Trucks constitute 17.5% of highway traffic.
Analytical insight
At 17.5%, highway truck share is 1% higher than the state average, marking Clay as a significant freight corridor - underscoring the importance of highway access for logistics operators. Clay's highway truck share (17.5%) is higher than 38% of counties in Illinois. Clay's highway truck count is higher than 21% of counties in Illinois, at roughly 663 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,996
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.9 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.
7.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$61,220
The non-highway road network in Clay County, Illinois supports a substantial volume of traffic. The average non-highway road carries 1,996 vehicles per day, 47% less than the average highway in the same area, which carries 3,780 vehicles per day. That average covers 138 non-highway road miles divided in 1,129 segments (average segment length 646 ft), together carrying 190,637 vehicle-miles traveled per day (≈69.6 million per year). Trucks constitute 7.5% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 57% fewer trucks by share. At 63% lower than the state level, the non-highway congestion ratio of 7.6% signals easier movement on local roads. Overall, average travel time here is longer than 84% of counties in Illinois. Trip origins here have higher average income than 13% of counties in Illinois. The driver population here skews older than 57% of counties in Illinois.
Time-of-Day & Seasonal Patterns
Analytical insight
In Clay County, Illinois, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Clay
Illinois
Average
Difference
Traffic
2,210
8,480
-73.9%
Truck % (Total Traffic)
11.5%
10.2%
+12.8%
Truck % (Highway)
17.5%
17.3%
+1.2%
Avg. Travel Time
36.3 min
34.1 min
+6.4%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,210 vehicles per day, providing a baseline for daily operations and site assessment.
Trip origins in Clay have higher average income than 13% of counties in Illinois.
Trucks account for approximately 11.5% of the total traffic mix across all road types, with a significantly higher concentration of 17.5% on highways.
Weekday peaks occur between 7:00 AM and 8:00 AM in the morning and between 3:00 PM and 7:00 PM in the evening - about 64% above the daily average.
Drivers on Clay roads have a median age of 50 years, and the median household income of the neighborhoods trips originate from averages $61,682 - useful context for retail siting and customer profiling.
The average travel time for drivers is 36.3 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)
