Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.

Get insights →
Home
United States
IllinoisMason
traffic map

Mason County, Illinois Traffic Counts

This page delivers traffic analytics for Mason County, Illinois. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Mason County, Illinois among 155 road miles divided in 1,470 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 555 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
Find my place
total traffic icon

Total Traffic Volume & Performance

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

1,766

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

9.1%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

41.0 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.

5.7%

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

51.5 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$65,654

Our data indicates an estimated average traffic volume of 1,766 vehicles per day in Mason County, Illinois that results in 236,597 vehicle-miles traveled per day (≈86.4 million per year). The traffic stream is comprised of an average of 1 truck for every 11 vehicles. Typical time spent behind the wheel per trip is 41.0 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Illinois state averages: Mason's average daily traffic volume is 79% lower than the state average - 1,766 vehicles per day against 8,480 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Mason accounts for about 0.1% of Illinois's statewide total, at 236,597 vehicle-miles traveled per day (≈86.4 million per year). Journey times run 20% higher than the state level, at 41.0 minutes on average. At 72% lower than the state level, the 5.7% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. 10% of counties in Illinois see less traffic than Mason's 1,766 vehicles per day. On travel time, Mason runs longer than 99% of counties in Illinois.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
non-highway traffic icon

Non-highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

1,766

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

9.1%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

41.0 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.

5.7%

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

51.5 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$65,654

The non-highway road network in Mason County, Illinois supports a substantial volume of traffic. The average non-highway road carries 1,766 vehicles per day. That average covers 155 non-highway road miles divided in 1,470 segments (average segment length 555 ft), together carrying 236,597 vehicle-miles traveled per day (≈86.4 million per year). Trucks constitute 9.1% of non-highway traffic.

Analytical insight

Non-highway congestion (5.7%) runs 72% lower than the state average, pointing to smoother local traffic flow. Mason's overall average travel time exceeds 99% of counties in Illinois. Trip origins here have higher average income than 28% of counties in Illinois. Mason's median driver age is higher than 82% of counties in Illinois.

Time-of-Day & Seasonal Patterns

Analytical insight

In Mason County, Illinois, the peak hour concentrates about 7% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Mason

Illinois
Average

Difference

Traffic

1,766

8,480

-79.2%

Truck % (Total Traffic)

9.1%

10.2%

-10.7%

Truck % (Highway)

17.3%

Avg. Travel Time

41.0 min

34.1 min

+20.2%

How Mason County compares

Mason County against nearby areas

Set against the average of the 4 areas nearest to it, Mason County moves 23.2% of the total daily travel and is 36.8% less congested; it has the quietest roads of the five. Trips here run longer without running slower: distance, not congestion, is what drivers spend their time on.

Mason County and the 4 nearest county-level areas by centroid distance, with the Illinois average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Mason County1,7669.1%236,59741.0 min5.7%
Menard County, Illinois2,1807.2%181,45431.6 min7.4%
Fulton County, Illinois2,3137.8%596,75534.2 min7.7%
Tazewell County, Illinois4,8838.2%3,071,95231.4 min14.2%
Cass County, Illinois1,9868.3%222,52235.8 min6.9%
Illinois average8,48010.2%N/A34.1 min20.6%

Mason County ranked within Illinois

On average travel time, Mason County is among the three highest county-level areas in Illinois.

Where Mason County sits among Illinois's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasureMason CountyIllinois rank
Traffic volume (AADT)1,766#92 of 102
Average travel time41.0 min#2 of 102
Average driver income$65,654#74 of 102
Average driver age51.5 yrs#19 of 102

Mason County ranks #2 of 102 on average travel time but #92 of 102 on average daily traffic volume. Some of the longest trips in Illinois on some of its emptiest roads - distance, not congestion, is what sets travel time here.

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.
TrafficZoom methodology
link arrow icon
Data current as of:
Q3 2026

Explore further

TrafficZoom platform

— street-level analytics and custom corridor reports.

Map AI

— demographics, housing and mobility data.

Counties near Mason County

The same traffic breakdown for the areas closest to Mason County, Illinois.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.

Get access now
Get a demo
Ticon websiteC-Site website
© 2026 TICON. All rights reserved.