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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,802 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 15.6% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 33.1 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 9.5% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 50.3 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $74,825 |
Our data shows 2,802 vehicles per day on the average road in Montgomery County, Illinois, and 1,134,009 vehicle-miles traveled per day (≈414 million per year) across its 288 miles of monitored roads. About 1 in 6 vehicles is a truck, well above the 10.2% across Illinois - a freight-heavy mix.
At 2,802 vehicles per day, the average monitored road in Montgomery carries 67% 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. Across the whole network, that travel is about 0.5% of Illinois's statewide total. By volume, Montgomery's 2,802 vehicles per day trails 53% of counties in Illinois.
Journey times here (33.1 minutes on average) closely track the state level. On travel time, Montgomery runs shorter than 61% of counties in Illinois.
The congestion ratio of 9.5% is 54% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.
| Traffic | vehicles per day10,689 |
|---|---|
| Trucks | 20.4% |
| Average travel time | 62.5 min |
| Congestion ratio | 23.7% |
| Drivers’ average age | 47.9 yrs |
| Drivers’ average income | $86,731 |
A little more than half of the driving in Montgomery County, Illinois happens on highways: 63% of all vehicle-miles. The average highway carries 10,689 vehicles per day, 298% more than the average non-highway road in the same area, which carries 2,688 vehicles per day.
Yet highways are only 20% of the road network, 58 miles in 35 segments, so each mile of them is 3.1 times as busy as the average road mile.
64% of counties in Illinois move less traffic on their highways.
The concentration of trucks on highways (20.4%) is 18% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Montgomery's highway truck share (20.4%) is higher than 52% of counties in Illinois. Montgomery's highway truck count is higher than 63% of counties in Illinois, at roughly 2,182 trucks per day.
| Traffic | vehicles per day2,688 |
|---|---|
| Trucks | 7.6% |
| Average travel time | 32.7 min |
| Congestion ratio | 9.3% |
| Drivers’ average age | 51.0 yrs |
| Drivers’ average income | $68,030 |
A significant share of driving in Montgomery County, Illinois, 37% of vehicle-miles, happens on local roads. A typical local road sees 2,688 vehicles per day.
Local roads make up 80% of the monitored road miles (230 miles in 2,433 segments) but carry less than their share of travel: 421,502 vehicle-miles traveled per day (≈154 million per year). Trucks make up 7.6% of non-highway traffic, about 1 in 13 vehicles.
Compared to highways, non-highway routes see 63% fewer trucks by share.
At 55% lower than the state level, the non-highway congestion ratio of 9.3% signals easier movement on local roads.
57% of counties in Illinois see lower average driver income among trip origins than Montgomery. 68% of counties in Illinois have a younger driver population than Montgomery.
Of the four measures, average daily traffic per road differs most: Montgomery County runs 67% below the Illinois average. Its truck share, by contrast, is 54% above.
| Metric | Montgomery County | Illinois average | Difference |
|---|---|---|---|
| Traffic | 2,802 | 8,480 | -67.0% |
| Truck % (Total Traffic) | 15.6% | 10.2% | +53.6% |
| Truck % (Highway) | 20.4% | 17.3% | +17.8% |
| Avg. Travel Time | 33.1 min | 34.1 min | -2.8% |
Nothing in this table sets Montgomery County sharply apart from the 4 areas nearest to it, though it has the second busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Montgomery County | 2,802 | 15.6% | 1,134,009 | 33.1 min | 9.5% |
| Christian County, Illinois | 3,092 | 8.6% | 655,096 | 34.2 min | 9.7% |
| Bond County, Illinois | 2,277 | 23.2% | 740,171 | 29.1 min | 7.6% |
| Macoupin County, Illinois | 2,801 | 12.5% | 988,577 | 32.1 min | 8.1% |
| Fayette County, Illinois | 2,633 | 24.5% | 1,175,890 | 33.9 min | 8.0% |
| Illinois average | 8,480 | 10.2% | N/A | 34.1 min | 20.6% |
Montgomery County sits close to the Illinois median on every measure below - no single figure sets it apart from the state as a whole.
| Measure | Montgomery County | Illinois rank |
|---|---|---|
| Traffic volume (AADT) | 2,802 | #55 of 102 |
| Highway vehicle-miles per day | 712,507 | #30 of 82 |
| Truck share on highways | 20.4% | #40 of 82 |
| Highway trucks per day | 2,182 | #31 of 82 |
| Average travel time | 33.1 min | #63 of 102 |
| Average driver income | $74,825 | #44 of 102 |
| Average driver age | 50.3 yrs | #33 of 102 |
The three busiest roads in Montgomery County average 15,222 vehicles a day, 5.4 times the county average of 2,802 across all its monitored roads.
I 55 leads with 24,764 vehicles a day, 5,055 of them trucks (20.4%). No other road comes close: Union Avenue, in second place, carries 11,729. It tops the truck ranking too, with the most trucks.
I 55 carries longer journeys than most roads here, with a median trip of 62.5 minutes against 33.1 county-wide.
Few trucks use Union Avenue: 5.2% of its traffic, under half the county's 15.6%.
Travel on I 55's busiest stretch runs 24% over free-flow time, against 9% across the county, so expect slower peak hours.
Union Avenue is one of the more congested roads here: trips take 27% longer than at free-flow speed, against 9% county-wide.
The busiest stretch of Main Street carries 3.3 times the county average; trucks are 5.2% of it, below the county-wide 15.6%.
On its busiest stretch, IL 16 / IL 127 carries 2.9 times the county average; trucks are 8.7% of it, below the county-wide 15.6%.
Springfield Road peaks at 8,162 vehicles a day, 2.9 times the county average; trucks are 8.2% of it, below the county-wide 15.6%.
Illinois Route 16 carries 2.5 times the county average at its busiest, 591 of them trucks (8.4%, below the county-wide 15.6%).
The average monitored road in Montgomery carries 2,802 vehicles per day, 67% less than the Illinois average of 8,480.
The driver population in Montgomery skews older than 68% of counties in Illinois.
Approximately 65% of highway traffic and 10% of non-highway traffic consists of vehicles whose trip originates outside Montgomery County, Illinois. Most highway traffic here starts elsewhere, so the highways serve the wider region more than the local community.
Drivers on Montgomery roads have a median age of 50 years, older than the Illinois average of 46, and the median household income of the neighborhoods trips originate from averages $74,825, 21% below the Illinois average.
Trucks make up about 15.6% of all traffic in Montgomery County, Illinois, rising to 20.4% on highways, where long-haul freight concentrates.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM - about 68% above the daily average.
The average trip in Montgomery takes 33.1 minutes, about the same as the Illinois average, delays at signals and congestion included.
I 55 carries the most, 24,764 vehicles per day on its busiest stretch, followed by Union Avenue (11,729), Main Street (9,172), IL 16 / IL 127 (8,191), Springfield Road (8,162). Figures are AADT, both directions combined.
I 55, with about 5,055 trucks per day on its busiest stretch, 20.4% of its 24,764 vehicles.
About 24,764 vehicles per day in both directions on its busiest stretch, including 5,055 trucks (20.4%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

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Historical traffic pattern databases
The same traffic breakdown for the areas closest to Montgomery County, Illinois.
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