This page delivers traffic analytics for Alexander County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Alexander County, Illinois among 99 road miles divided in 912 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 576 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.
2,547
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
17.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
43.2 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.
7.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.7 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$49,823
Our data indicates an estimated average traffic volume of 2,547 vehicles per day in Alexander County, Illinois that results in 243,078 vehicle-miles traveled per day (≈88.7 million per year). The traffic stream is comprised of an average of 1 truck for every 6 vehicles. Typical time spent behind the wheel per trip is 43.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Illinois state averages: Alexander sees 70% lower average daily traffic volume than the state average (2,547 vehicles per day against 8,480), suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 243,078 vehicle-miles traveled per day (≈88.7 million per year), roughly 0.1% of Illinois's statewide total. At 43.2 minutes, the average travel time is 27% higher than the state level. Congestion runs 64% lower than the state level, at a ratio of 7.3% - smoother traffic flow - crucial for traffic control improvement and logistics planning. By volume, Alexander's 2,547 vehicles per day outpaces 38% of counties in Illinois. At 43.2 minutes, Alexander also has the highest average travel time 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.
3,562
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
52.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
48.2 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.
7.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$56,868
A significant volume of traffic in Alexander County, Illinois utilizes the highway network. The average highway carries 3,562 vehicles per day, 41% more than the average non-highway road in the same area, which carries 2,520 vehicles per day. That average covers 11 highway road miles divided in 24 segments (average segment length 2,413 ft), together carrying 41,180 vehicle-miles traveled per day (≈15.0 million per year). Trucks constitute 52.5% of highway traffic.
Analytical insight
At 52.5%, highway truck share is 203% higher than the state average, marking Alexander as a significant freight corridor - underscoring the importance of highway access for logistics operators. At 52.5%, Alexander's highway truck concentration is the highest in Illinois. Alexander's highway truck count is higher than 48% of counties in Illinois, at roughly 1,868 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,520
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
43.1 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.
7.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.7 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$49,452
The non-highway road network in Alexander County, Illinois supports a substantial volume of traffic. The average non-highway road carries 2,520 vehicles per day, 29% less than the average highway in the same area, which carries 3,562 vehicles per day. That average covers 88 non-highway road miles divided in 888 segments (average segment length 526 ft), together carrying 201,898 vehicle-miles traveled per day (≈73.7 million per year). Trucks constitute 10.1% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 81% lower than on highways. At 64% lower than the state level, the non-highway congestion ratio of 7.3% signals easier movement on local roads. Overall, Alexander has the highest average travel time in Illinois, at 43.2 minutes. At $49,823, the average driver income for trips originating here is the lowest in Illinois. Alexander's median driver age is higher than 84% of counties in Illinois.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 76% higher than the daily average.
Weekend traffic:
Weekend volumes run about 5% below weekday levels.
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +11% versus the annual average.
Lowest month:
January is the quietest month, with volumes -34% versus the annual average.
Analytical insight
In Alexander County, Illinois, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +11% in high season.
Traffic Flow Profile Comparison
Metric
Alexander
Illinois
Average
Difference
Traffic
2,547
8,480
-70.0%
Truck % (Total Traffic)
17.3%
10.2%
+70.0%
Truck % (Highway)
52.5%
17.3%
+202.7%
Avg. Travel Time
43.2 min
34.1 min
+26.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,547 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Alexander has the highest highway truck share of any county in Illinois, at 52.5%.
Traffic volumes are typically 11% higher during April–June. Volumes drop to their lowest levels in January, averaging 1,688 vehicles per day - a 34% decrease from the annual average.
Trucks account for approximately 17.3% of the total traffic mix across all road types, with a significantly higher concentration of 52.5% on highways.
Drivers on Alexander roads have a median age of 52 years, and the median household income of the neighborhoods trips originate from averages $49,823 - useful context for retail siting and customer profiling.
Approximately 94% of highway traffic and 34% of non-highway traffic consists of vehicles whose trip originates outside Alexander 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.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 3:00 PM and 6:00 PM in the evening - about 76% above the daily average.
The average travel time for drivers is 43.2 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)
