Need segment-level traffic data?
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.

TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day1,870 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 8.2% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 30.6 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 6.6% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 53.2 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $77,135 |
The average monitored road in Putnam County, Illinois carries 1,870 vehicles per day. Across its 84 miles of monitored roads, that adds up to 169,376 vehicle-miles traveled per day (≈61.8 million per year). Trucks are a smaller part of the mix than across Illinois: 8.2% against 10.2%.
Putnam's average daily traffic volume is 78% lower than the state average - 1,870 vehicles per day against 8,480 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries less than 0.1% of Illinois's statewide total of vehicle-miles. By volume, Putnam's 1,870 vehicles per day trails 88% of counties in Illinois.
The average trip takes 30.6 minutes, 10% lower than the state level. On travel time, Putnam runs shorter than 93% of counties in Illinois.
Congestion runs 68% lower than the state level, at a ratio of 6.6%, which means smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
| Traffic | vehicles per day1,373 |
|---|---|
| Trucks | 20.8% |
| Average travel time | 30.3 min |
| Congestion ratio | 4.3% |
| Drivers’ average age | 52.4 yrs |
| Drivers’ average income | $73,035 |
With 3% of vehicle-miles, highways play a minor role in how Putnam County, Illinois travels. The average highway carries 1,373 vehicles per day, 27% less than the average non-highway road in the same area, which carries 1,879 vehicles per day.
Highways make up 5% of the monitored road miles (4 miles in 10 segments) but carry less than their share of travel: 4,964 vehicle-miles traveled per day (≈1.8 million per year).
At 20.8%, highway truck share is 20% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
53% of counties in Illinois see a lower highway truck share than Putnam's 20.8%. By raw volume, Putnam carries the lowest number of highway trucks in Illinois - roughly 257 trucks per day.
| Traffic | vehicles per day1,879 |
|---|---|
| Trucks | 7.8% |
| Average travel time | 30.7 min |
| Congestion ratio | 6.6% |
| Drivers’ average age | 53.2 yrs |
| Drivers’ average income | $77,265 |
Local roads carry nearly all of the traffic in Putnam County, Illinois, 97% of all vehicle-miles. On the average non-highway road, that comes to 1,879 vehicles per day.
Local roads also make up about 95% of the monitored road miles: 80 miles in 576 segments, together carrying 164,411 vehicle-miles traveled per day (≈60.0 million per year). The truck share on non-highway roads is 7.8%.
Non-highway roads carry a truck concentration that's 63% lower than the highway network.
Non-highway congestion (6.6%) runs 68% lower than the state average, pointing to smoother local traffic flow.
66% of counties in Illinois see lower average driver income among trip origins than Putnam. Putnam's median driver age is higher than 94% of counties in Illinois.
Putnam County's biggest difference from the Illinois average is its average daily traffic per road, 78% below it. Its highway truck share, by contrast, is 20% above.
| Metric | Putnam County | Illinois average | Difference |
|---|---|---|---|
| Traffic | 1,870 | 8,480 | -77.9% |
| Truck % (Total Traffic) | 8.2% | 10.2% | -19.8% |
| Truck % (Highway) | 20.8% | 17.3% | +20.0% |
| Avg. Travel Time | 30.6 min | 34.1 min | -10.2% |
Set against the average of the 4 areas nearest to it, Putnam County moves 12.5% of the total daily travel and runs 8.5 percentage points less truck traffic; it has the fourth busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Putnam County | 1,870 | 8.2% | 169,376 | 30.6 min | 6.6% |
| Marshall County, Illinois | 1,931 | 17.2% | 479,108 | 38.7 min | 6.6% |
| Bureau County, Illinois | 2,273 | 23.2% | 1,346,252 | 30.5 min | 8.3% |
| LaSalle County, Illinois | 3,388 | 17.1% | 3,463,088 | 31.8 min | 11.0% |
| Stark County, Illinois | 1,249 | 8.9% | 123,747 | 36.7 min | 4.3% |
| Illinois average | 8,480 | 10.2% | N/A | 34.1 min | 20.6% |
Putnam County records the lowest highway travel volume and highway truck volume in Illinois.
| Measure | Putnam County | Illinois rank |
|---|---|---|
| Traffic volume (AADT) | 1,870 | #90 of 102 |
| Highway vehicle-miles per day | 4,964 | #82 of 82 |
| Truck share on highways | 20.8% | #39 of 82 |
| Highway trucks per day | 286 | #82 of 82 |
| Average travel time | 30.6 min | #95 of 102 |
| Average driver income | $77,135 | #35 of 102 |
| Average driver age | 53.2 yrs | #7 of 102 |
The two ends of this table sit far apart: #7 of 102 on average driver age, against #82 of 82 on highway travel volume.
Traffic concentrates on a few corridors: the three busiest roads average 3,992 vehicles a day, against 1,870 on the average road in Putnam County.
IL 29 is the busiest road, at 4,283 vehicles a day, 437 of them trucks (10.2%). I 180 carries the most trucks on the list, 559 a day (21.0% of its traffic), although it is not among the 5 busiest roads overall.
Freight stands out on I 180: trucks are 21.0% of the traffic there, against 8.2% county-wide.
Trips using County Road 100 are long: a median of 54.6 minutes against 30.6 county-wide, the mark of a through route.
IL 29 carries 2.3 times the county average on its busiest stretch, where the median trip lasts 39.1 minutes.
At 2.1 times the county average, IL 71 draws drivers from neighborhoods averaging $74,181 in household income.
Drivers on North Street are on long journeys, a median 50.5 minutes against 30.6 county-wide: a through route more than a local street.
The busiest stretch of County Road 100 carries 2.0 times the county average; trucks are 8.3% of it, in line with the county-wide 8.2%.
County Highway 16 carries 82% more than the county average on its busiest stretch, where the median trip lasts 27.5 minutes.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
At 43% more than the county average, I 180 draws drivers from neighborhoods averaging $73,215 in household income.
The average monitored road in Putnam carries 1,870 vehicles per day, 78% less than the Illinois average of 8,480.
Yes - Putnam carries the lowest raw volume of highway trucks of any county in Illinois, at roughly 257 trucks per day.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–6:00 PM - about 75% above the daily average.
Drivers on Putnam roads have a median age of 53 years, older than the Illinois average of 46, and the median household income of the neighborhoods trips originate from averages $77,135, 19% below the Illinois average.
Trucks make up about 8.2% of all traffic in Putnam County, Illinois, rising to 20.8% on highways, where long-haul freight concentrates.
The average trip in Putnam takes 30.6 minutes, 10% shorter than the Illinois average of 34.1 minutes, delays at signals and congestion included.
Approximately 24% of highway traffic and 24% of non-highway traffic consists of vehicles whose trip originates outside Putnam County, Illinois. Even highway traffic is mostly local, so these roads mainly serve residents and commuters.
IL 29 carries the most, 4,283 vehicles per day on its busiest stretch, followed by IL 71 (3,996), North Street (3,698), County Road 100 (3,651), County Highway 16 (3,404). Figures are AADT, both directions combined.
About 4,283 vehicles per day in both directions on its busiest stretch, including 437 trucks (10.2%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.
About 559 trucks per day on its busiest stretch, 21.0% of its 2,667 vehicles.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Putnam County, Illinois.
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.