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Traffic heat map of Morgan County, Illinois: 308 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Morton Avenue and I 72

Morgan County, Illinois Traffic Counts

Our Morgan County, Illinois traffic data covers 2,018 road segments over 308 road miles, with an average segment of just 807 ft. Its busiest road, Morton Avenue, carries 15,543 vehicles a day, 4.0 times the average road. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Morgan County, Illinois

Traffic

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

vehicles per day3,912
Trucks

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

11.8%
Average travel time

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

33.4 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

10.7%
Drivers’ average age

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

49.6 yrs
Drivers’ average income

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

$70,720

A typical monitored road in Morgan County, Illinois sees 3,912 vehicles per day, while its 308 miles of monitored roads together handle 864,718 vehicle-miles traveled per day (≈316 million per year). At 11.8%, the truck share runs above the 10.2% across Illinois: about 1 in 8 vehicles.

Traffic 54% below the Illinois average

At 3,912 vehicles per day, the average monitored road in Morgan carries 54% less traffic than the state average of 8,480, suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.4% of Illinois's statewide total of vehicle-miles. 71% of counties in Illinois see less traffic than Morgan's 3,912 vehicles per day.

The average trip takes 33.4 minutes, on par with the state level. 56% of counties in Illinois have a longer average travel time than Morgan's 33.4 minutes.

At 48% lower than the state level, the 10.7% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Morgan County, Illinois

Trafficvehicles per day3,810
Trucks16.9%
Average travel time43.4 min
Congestion ratio9.3%
Drivers’ average age49.9 yrs
Drivers’ average income$72,619

Highways carry about half of all travel in Morgan County, Illinois, 50% of vehicle-miles. The average highway carries 3,810 vehicles per day, about the same as the average non-highway road in the same area (3,922 vehicles per day).

With 32% of the road miles (98 miles in 178 segments), highways punch above their length, carrying 429,081 vehicle-miles traveled per day (≈157 million per year).

Fewer highway trucks than 80% of counties in Illinois

At 16.9%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Illinois: neither freight- nor commuter-dominated.

63% of counties in Illinois see a higher highway truck share than Morgan's 16.9%. 80% of counties in Illinois see more highway trucks per day than Morgan's roughly 645.

non-highway traffic icon

Non-highway Traffic in Morgan County, Illinois

Trafficvehicles per day3,922
Trucks6.7%
Average travel time32.4 min
Congestion ratio10.8%
Drivers’ average age49.5 yrs
Drivers’ average income$70,016

Local roads carry about half of all travel in Morgan County, Illinois, 50% of vehicle-miles. The average non-highway road carries 3,922 vehicles per day.

Spread over 211 miles and 1,840 segments, 68% of the road network, local roads carry a lighter load per mile: 435,638 vehicle-miles traveled per day (≈159 million per year). Trucks make up 6.7% of non-highway traffic, about 1 in 15 vehicles.

Local congestion 47% below the Illinois average

The concentration of trucks on non-highway roads is 60% lower than on highways.

Non-highway congestion (10.8%) runs 47% lower than the state average, pointing to smoother local traffic flow.

Morgan's average driver income is lower than 52% of counties in Illinois. 53% of counties in Illinois have a younger driver population than Morgan.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 67% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 12% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +4% versus the annual average.
Lowest month:
December is the quietest month, with volumes -9% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Morgan County, Illinois, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +4% in high season.

Morgan County vs. Illinois Traffic Comparison

The average daily traffic per road sets Morgan County apart: 54% below the Illinois average. Its truck share, by contrast, is 16% above.

MetricMorgan CountyIllinois averageDifference
Traffic3,9128,480-53.9%
Truck % (Total Traffic)11.8%10.2%+15.8%
Truck % (Highway)16.9%17.3%-2.4%
Avg. Travel Time33.4 min34.1 min-2.1%

How Morgan County compares

Morgan County against nearby counties

Morgan County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the second busiest roads of the five.

Morgan 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
Morgan County3,91211.8%864,71833.4 min10.7%
Scott County, Illinois1,58818.4%270,82534.9 min4.7%
Cass County, Illinois1,9868.3%222,52235.8 min6.9%
Sangamon County, Illinois7,35910.7%4,957,44331.2 min15.8%
Greene County, Illinois2,31811.4%229,16835.1 min7.4%
Illinois average8,48010.2%N/A34.1 min20.6%

Morgan County ranked within Illinois

Morgan County sits in the bottom quarter of the Illinois field on highway truck volume, at #66 of 82.

Morgan County ranked among 102 county-level areas in Illinois (1 = highest); measures without data in every county rank a smaller field, down to 82.
MeasureMorgan CountyIllinois rank
Traffic volume (AADT)3,912#30 of 102
Highway vehicle-miles per day429,081#47 of 82
Truck share on highways16.9%#52 of 82
Highway trucks per day645#66 of 82
Average travel time33.4 min#58 of 102
Average driver income$70,720#54 of 102
Average driver age49.6 yrs#48 of 102

Busiest roads in Morgan County, Illinois

The three busiest roads in Morgan County average 12,662 vehicles a day, 3.2 times the county average of 3,912 across all its monitored roads.

Morton Avenue leads with 15,543 vehicles a day, 640 of them trucks (4.1%). I 72 carries the most trucks, 2,282 a day (18.9% of its traffic), although it ranks #2 for all traffic.

Trips using I 72 are long: a median of 46.9 minutes against 33.4 county-wide, the mark of a through route.

Few trucks use Main Street: 3.9% of its traffic, under half the county's 11.8%.

Freight stands out on I 72: trucks are 18.9% of the traffic there, against 11.8% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Morton AvenuePrimary road · 15,543vehicles640trucks · 4.1%
Road class
Primary road
Congestion ratio
23.7%
Median trip time
30.5 min
Drivers’ median age
50.0 yrs
Drivers’ average income
$71,075

Delays build on Morton Avenue: its congestion ratio of 24% over free-flow time is well above the county's 11%.

2I 72Motorway · 12,040vehicles2,282trucks · 18.9%
Road class
Motorway
Congestion ratio
12.8%
Median trip time
46.9 min
Drivers’ median age
50.1 yrs
Drivers’ average income
$75,179

I 72 peaks at 12,040 vehicles a day, 3.1 times the county average; trucks are 18.9% of it, above the county-wide 11.8%.

3Main StreetSecondary road · 10,403vehicles409trucks · 3.9%
Road class
Secondary road
Congestion ratio
25.2%
Median trip time
41.7 min
Drivers’ median age
49.1 yrs
Drivers’ average income
$57,854

Travel on Main Street's busiest stretch runs 25% over free-flow time, against 11% across the county, so expect slower peak hours.

4Old Route 36Primary road · 6,894vehicles732trucks · 10.6%
Road class
Primary road
Congestion ratio
13.8%
Median trip time
34.4 min
Drivers’ median age
49.7 yrs
Drivers’ average income
$73,640

Old Route 36 is busy by local standards, at 76% more than the county average on its busiest stretch; trucks are 10.6% of it, below the county-wide 11.8%.

5US 67Motorway · 6,436vehicles865trucks · 13.4%
Road class
Motorway
Congestion ratio
9.0%
Median trip time
34.8 min
Drivers’ median age
48.9 yrs
Drivers’ average income
$70,475

US 67 peaks at 6,436 vehicles a day, 65% more than the county average; trucks are 13.4% of it, above the county-wide 11.8%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 72Motorway · #2 by traffic12,040vehicles2,282trucks · 18.9%
2US 67Motorway · #5 by traffic6,436vehicles865trucks · 13.4%
3Old Route 36Primary road · #4 by traffic6,894vehicles732trucks · 10.6%
4United States Route 67Motorway · 4,855vehicles712trucks · 14.7%
Road class
Motorway
Congestion ratio
6.7%
Median trip time
37.4 min
Drivers’ median age
50.7 yrs
Drivers’ average income
$72,124

United States Route 67 carries 24% more than the county average at its busiest, 712 of them trucks (14.7%, above the county-wide 11.8%).

5Morton AvenuePrimary road · #1 by traffic15,543vehicles640trucks · 4.1%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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

MorganDepartment of Transportation

Demographic Baseline for O-D Modeling

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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Counties near Morgan County

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

Need segment-level traffic data?

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