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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,906 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 13.1% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 33.8 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 9.7% |
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. | $61,916 |
Our data shows 2,906 vehicles per day on the average road in Knox County, Illinois, and 1,353,672 vehicle-miles traveled per day (≈494 million per year) across its 463 miles of monitored roads. Trucks are 13.1% of traffic, more than the 10.2% across Illinois.
Knox's average daily traffic volume is 66% lower than the state average - 2,906 vehicles per day against 8,480 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 0.6% of Illinois's statewide total. 51% of counties in Illinois see more traffic than Knox's 2,906 vehicles per day.
Journey times here (33.8 minutes on average) closely track the state level. On travel time, Knox runs longer than 51% of counties in Illinois.
The congestion ratio of 9.7% is 53% lower, pointing to smoother traffic flow than the state level - free-flowing roads make scheduled deliveries highly predictable.
| Traffic | vehicles per day7,352 |
|---|---|
| Trucks | 18.9% |
| Average travel time | 49.0 min |
| Congestion ratio | 18.6% |
| Drivers’ average age | 50.6 yrs |
| Drivers’ average income | $67,358 |
Travel in Knox County, Illinois splits roughly evenly, with about half of it (54% of vehicle-miles) on highways. The average highway carries 7,352 vehicles per day, 169% more than the average non-highway road in the same area, which carries 2,732 vehicles per day.
With 21% of the road miles (95 miles in 125 segments), highways punch above their length, carrying 730,643 vehicle-miles traveled per day (≈267 million per year).
That is more highway travel volume than 67% of counties in Illinois.
At 18.9%, highway truck share is 9% higher than the state average. The highway traffic mix is typical for Illinois: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 57% of counties in Illinois. By raw truck volume, Knox carries fewer highway trucks than 62% of counties in Illinois.
| Traffic | vehicles per day2,732 |
|---|---|
| Trucks | 6.4% |
| Average travel time | 33.2 min |
| Congestion ratio | 9.4% |
| Drivers’ average age | 50.2 yrs |
| Drivers’ average income | $59,522 |
Travel in Knox County, Illinois splits roughly evenly, with about half of it (46% of vehicle-miles) on local roads. On the average non-highway road, that comes to 2,732 vehicles per day.
Local roads make up 79% of the monitored road miles (368 miles in 3,194 segments) but carry less than their share of travel: 623,029 vehicle-miles traveled per day (≈227 million per year). The truck share on non-highway roads is 6.4%.
Non-highway roads carry a truck concentration that's 66% lower than the highway network.
Non-highway congestion (9.4%) runs 54% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have lower average income than 85% of counties in Illinois. The driver population here skews older than 67% of counties in Illinois.
The average daily traffic per road sets Knox County apart: 66% below the Illinois average. Its truck share, by contrast, is 29% above.
| Metric | Knox County | Illinois average | Difference |
|---|---|---|---|
| Traffic | 2,906 | 8,480 | -65.7% |
| Truck % (Total Traffic) | 13.1% | 10.2% | +29.1% |
| Truck % (Highway) | 18.9% | 17.3% | +9.1% |
| Avg. Travel Time | 33.8 min | 34.1 min | -1.1% |
Knox 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. Traffic volume here matches the areas around it, but more of that traffic is trucks - a difference in what routes through, not in how much.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Knox County | 2,906 | 13.1% | 1,353,672 | 33.8 min | 9.7% |
| Warren County, Illinois | 1,793 | 11.6% | 500,342 | 32.4 min | 6.7% |
| Peoria County, Illinois | 5,744 | 7.3% | 3,763,203 | 34.0 min | 16.8% |
| Stark County, Illinois | 1,249 | 8.9% | 123,747 | 36.7 min | 4.3% |
| Fulton County, Illinois | 2,313 | 7.8% | 596,755 | 34.2 min | 7.7% |
| Illinois average | 8,480 | 10.2% | N/A | 34.1 min | 20.6% |
Knox County sits in the bottom quarter of the Illinois field on average driver income, at #87 of 102.
| Measure | Knox County | Illinois rank |
|---|---|---|
| Traffic volume (AADT) | 2,906 | #53 of 102 |
| Highway vehicle-miles per day | 730,643 | #28 of 82 |
| Truck share on highways | 18.9% | #47 of 82 |
| Highway trucks per day | 1,390 | #51 of 82 |
| Average travel time | 33.8 min | #50 of 102 |
| Average driver income | $61,916 | #87 of 102 |
| Average driver age | 50.3 yrs | #34 of 102 |
The three busiest roads in Knox County average 16,122 vehicles a day, 5.5 times the county average of 2,906 across all its monitored roads.
Bickerdyke Bridge is the busiest road, at 17,628 vehicles a day, 853 of them trucks (4.8%). I 74 is practically level with it at 17,170. I 74 carries the most trucks, 3,395 a day (19.8% of its traffic), although it ranks #2 for all traffic.
I 74 carries longer journeys than most roads here, with a median trip of 53.4 minutes against 33.8 county-wide.
Few trucks use Bickerdyke Bridge: 4.8% of its traffic, under half the county's 13.1%.
Bickerdyke Bridge draws drivers from lower-income areas: their neighborhoods average $44,320 in household income, 28% below the county's $61,916.
Travel on Bickerdyke Bridge's busiest stretch runs 40% over free-flow time, against 10% across the county, so expect slower peak hours.
I 74 leans on freight: 3,395 trucks a day, 19.8% of its traffic against 13.1% county-wide.
On its busiest stretch, Chicago-Kansas City Expressway carries 4.7 times the county average; trucks are 18.1% of it, above the county-wide 13.1%.
Henderson Street peaks at 12,787 vehicles a day, 4.4 times the county average; trucks are 4.4% of it, below the county-wide 13.1%.
Seminary Street is one of the more congested roads here: trips take 23% longer than at free-flow speed, against 10% county-wide.
US 34 carries 2.6 times the county average at its busiest, 662 of them trucks (8.7%, below the county-wide 13.1%).
The average monitored road in Knox carries 2,906 vehicles per day, 66% less than the Illinois average of 8,480.
Trip origins in Knox have lower average income than 85% of counties in Illinois.
The average trip in Knox takes 33.8 minutes, about the same as the Illinois average, delays at signals and congestion included.
Drivers on Knox 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 $61,916, 35% below the Illinois average.
Trucks make up about 13.1% of all traffic in Knox County, Illinois, rising to 18.9% on highways, where long-haul freight concentrates.
Bickerdyke Bridge carries the most, 17,628 vehicles per day on its busiest stretch, followed by I 74 (17,170), Chicago-Kansas City Expressway (13,568), Henderson Street (12,787), Seminary Street (9,979). Figures are AADT, both directions combined.
I 74, with about 3,395 trucks per day on its busiest stretch, 19.8% of its 17,170 vehicles.
About 17,628 vehicles per day in both directions on its busiest stretch, including 853 trucks (4.8%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

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