
Total Traffic Volume & Performance in Fayette County, Illinois
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,633 |
|---|
Trucks The percentage of the total traffic volume composed of heavy vehicles. | 24.5% |
|---|
Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.9 min |
|---|
Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 8.0% |
|---|
Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.5 yrs |
|---|
Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $63,708 |
|---|
Our data shows 2,633 vehicles per day on the average road in Fayette County, Illinois, and 1,175,890 vehicle-miles traveled per day (≈429 million per year) across its 267 miles of monitored roads. Freight weighs heavily here: trucks are 24.5% of traffic, against 10.2% across Illinois.
Traffic 69% below the Illinois average
Fayette sees 69% lower average daily traffic volume than the state average (2,633 vehicles per day against 8,480), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 0.5% of Illinois's statewide total. Fayette carries less traffic than 60% of counties in Illinois.
Journey times here (33.9 minutes on average) closely track the state level. Its average travel time of 33.9 minutes is longer than 56% of counties in Illinois.
The congestion ratio of 8.0% is 61% lower, pointing to smoother traffic flow than the state level - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Fayette County, Illinois
| Traffic | vehicles per day9,159 |
|---|
| Trucks | 31.1% |
|---|
| Average travel time | 53.8 min |
|---|
| Congestion ratio | 18.8% |
|---|
| Drivers’ average age | 48.6 yrs |
|---|
| Drivers’ average income | $67,886 |
|---|
Most travel in Fayette County, Illinois happens on highways, 71% of all vehicle-miles. The average highway carries 9,159 vehicles per day, 296% more than the average non-highway road in the same area, which carries 2,315 vehicles per day.
Highways make up 29% of the monitored road miles (77 miles, 95 segments), so they carry more than their share: 839,251 vehicle-miles traveled per day (≈306 million per year).
By highway travel volume, Fayette outranks 73% of counties in Illinois.
Higher highway truck share than 90% of counties in Illinois
Highway truck concentration here runs 79% higher than the state average, at 31.1%. That marks Fayette as a major freight corridor, where highway access is what logistics operators compete on.
By truck concentration, highways here outrank 90% of counties in Illinois. By raw truck volume, Fayette carries more highway trucks than 81% of counties in Illinois.

Non-highway Traffic in Fayette County, Illinois
| Traffic | vehicles per day2,315 |
|---|
| Trucks | 8.3% |
|---|
| Average travel time | 32.9 min |
|---|
| Congestion ratio | 7.4% |
|---|
| Drivers’ average age | 48.4 yrs |
|---|
| Drivers’ average income | $61,057 |
|---|
At 29% of vehicle-miles, local roads carry a smaller share of the traffic in Fayette County, Illinois than highways. A typical local road sees 2,315 vehicles per day.
Local roads make up 71% of the monitored road miles (190 miles in 1,952 segments) but carry less than their share of travel: 336,639 vehicle-miles traveled per day (≈123 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.3%).
Local congestion 64% below the Illinois average
The concentration of trucks on non-highway roads is 73% lower than on highways.
At 64% lower than the state level, the non-highway congestion ratio of 7.4% signals easier movement on local roads.
Fayette's average driver income is lower than 80% of counties in Illinois. 64% of counties in Illinois have an older driver population than Fayette.