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Franklin County, Illinois Traffic Counts

This page delivers traffic analytics for Franklin County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Franklin County, Illinois among 234 road miles divided in 3,566 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 346 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

3,546

Trucks

16.2%

Average travel time

33.3 min

Congestion ratio

10.5%

Drivers’ average age

49.3 yrs

Drivers’ average income

$59,620

Our data indicates an estimated average traffic volume of 3,546 vehicles per day in Franklin County, Illinois that results in 1,158,256 vehicle-miles traveled per day (≈423 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 33.3 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Illinois state averages: Franklin sees 58% lower average daily traffic volume than the state average (3,546 vehicles per day against 8,480), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Franklin accounts for about 0.5% of Illinois's statewide total, at 1,158,256 vehicle-miles traveled per day (≈423 million per year). At 33.3 minutes, the average travel time is 2% lower than the state level. At 49% lower than the state level, the 10.5% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. Franklin carries more traffic than 66% of counties in Illinois. Its average travel time of 33.3 minutes is longer than 43% of counties in Illinois.

Highway vs. Non-Highway Traffic Analysis

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Highway Traffic

Traffic

14,202

Trucks

26.4%

Average travel time

47.7 min

Congestion ratio

30.5%

Drivers’ average age

48.6 yrs

Drivers’ average income

$63,157

A significant volume of traffic in Franklin County, Illinois utilizes the highway network. The average highway carries 14,202 vehicles per day, 325% more than the average non-highway road in the same area, which carries 3,344 vehicles per day. That average covers 38 highway road miles divided in 66 segments (average segment length 3,000 ft), together carrying 585,674 vehicle-miles traveled per day (≈214 million per year). By highway travel volume, Franklin outranks 56% of counties in Illinois. Trucks constitute 26.4% of highway traffic.

Analytical insight

The concentration of trucks on highways (26.4%) is 52% higher than the state average for similar road classifications. This indicates Franklin serves as a significant freight corridor. For logistics operators, this validates the importance of highway access. Franklin's highway truck share (26.4%) is higher than 78% of counties in Illinois. 93% of counties in Illinois see fewer highway trucks per day than Franklin's roughly 3,751.
non-highway traffic icon

Non-highway traffic

Traffic

3,344

Trucks

5.9%

Average travel time

33.0 min

Congestion ratio

10.1%

Drivers’ average age

49.5 yrs

Drivers’ average income

$58,687

The non-highway road network in Franklin County, Illinois supports a substantial volume of traffic. The average non-highway road carries 3,344 vehicles per day, 76% less than the average highway in the same area, which carries 14,202 vehicles per day. That average covers 196 non-highway road miles divided in 3,500 segments (average segment length 296 ft), together carrying 572,582 vehicle-miles traveled per day (≈209 million per year). Trucks constitute 5.9% of non-highway traffic.

Analytical insight

Non-highway roads carry a truck concentration that's 78% lower than the highway network. The non-highway congestion ratio of 10.1% is 51% lower than the state level, suggesting more efficient local mobility than the state average. 43% of counties in Illinois see shorter overall travel times than Franklin. Franklin's average driver income exceeds 8% of counties in Illinois. The driver population here skews older than 44% of counties in Illinois.

Time-of-Day & Seasonal Patterns

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Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 65% higher than the daily average.
Weekend traffic:
Weekend volumes run about 11% below weekday levels.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +16% versus the annual average.
Lowest month:
January is the quietest month, with volumes -22% versus the annual average.

Analytical insight

In Franklin County, Illinois, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +16% in high season.

Traffic Flow Profile Comparison

Metric

Franklin

Illinois
Average

Difference

Traffic

3,546

8,480

-58.2%

Truck % (Total Traffic)

16.2%

10.2%

+59.6%

Truck % (Highway)

26.4%

17.3%

+52.4%

Avg. Travel Time

33.3 min

34.1 min

-2.4%

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

IllinoisDepartment of Transportation

Historical traffic pattern databases

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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