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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day3,850 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 13.3% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 31.2 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 12.0% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 48.2 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $93,545 |
The average monitored road in Boone County, Illinois carries 3,850 vehicles per day. Across its 314 miles of monitored roads, that adds up to 1,616,463 vehicle-miles traveled per day (≈590 million per year). At 13.3%, the truck share runs above the 10.2% across Illinois: about 1 in 7 vehicles.
At 3,850 vehicles per day, the average monitored road in Boone carries 55% less traffic than the state average of 8,480, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.7% of Illinois's statewide total. Boone carries more traffic than 70% of counties in Illinois.
At 31.2 minutes, the average travel time is 8% lower than the state level. Its average travel time of 31.2 minutes is shorter than 88% of counties in Illinois.
At 42% lower than the state level, the 12.0% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
| Traffic | vehicles per day18,353 |
|---|---|
| Trucks | 22.4% |
| Average travel time | 53.7 min |
| Congestion ratio | 27.8% |
| Drivers’ average age | 49.3 yrs |
| Drivers’ average income | $93,215 |
A significant share of driving in Boone County, Illinois, 43% of vehicle-miles, happens on highways. The average highway carries 18,353 vehicles per day, 388% more than the average non-highway road in the same area, which carries 3,761 vehicles per day.
That comes from just 11% of the monitored road miles: 33 miles in 28 segments, carrying 696,120 vehicle-miles traveled per day (≈254 million per year).
By highway travel volume, Boone outranks 62% of counties in Illinois.
The concentration of trucks on highways (22.4%) is 29% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Boone's highway truck share (22.4%) is higher than 62% of counties in Illinois. 98% of counties in Illinois see fewer highway trucks per day than Boone's roughly 4,113.
| Traffic | vehicles per day3,761 |
|---|---|
| Trucks | 6.5% |
| Average travel time | 31.1 min |
| Congestion ratio | 11.9% |
| Drivers’ average age | 48.1 yrs |
| Drivers’ average income | $93,637 |
A little more than half of the driving in Boone County, Illinois happens on local roads: 57% of all vehicle-miles. A typical local road sees 3,761 vehicles per day.
Local roads make up 89% of the monitored road miles (281 miles in 4,553 segments) but carry less than their share of travel: 920,343 vehicle-miles traveled per day (≈336 million per year). About 1 in 15 vehicles on non-highway roads is a truck (6.5%).
The concentration of trucks on non-highway roads is 71% lower than on highways.
The non-highway congestion ratio of 11.9% is 43% lower than the state level, suggesting more efficient local mobility than the state average.
Boone's average driver income is higher than 90% of counties in Illinois. Boone's median driver age is lower than 69% of counties in Illinois.
Boone County's biggest difference from the Illinois average is its average daily traffic per road, 55% below it. Its truck share, by contrast, is 31% above.
| Metric | Boone County | Illinois average | Difference |
|---|---|---|---|
| Traffic | 3,850 | 8,480 | -54.6% |
| Truck % (Total Traffic) | 13.3% | 10.2% | +31.0% |
| Truck % (Highway) | 22.4% | 17.3% | +29.3% |
| Avg. Travel Time | 31.2 min | 34.1 min | -8.4% |
Against the 4 nearest areas, Boone County moves 38.7% of the total daily travel and is 27.7% less congested; it has the fourth busiest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Boone County | 3,850 | 13.3% | 1,616,463 | 31.2 min | 12.0% |
| Winnebago County, Illinois | 6,473 | 9.7% | 5,336,855 | 34.9 min | 19.3% |
| McHenry County, Illinois | 9,188 | 6.8% | 5,331,104 | 34.3 min | 24.0% |
| Rock County, Wisconsin | 4,173 | 12.3% | 3,531,638 | 34.1 min | 12.2% |
| Walworth County, Wisconsin | 3,334 | 9.6% | 2,511,832 | 32.4 min | 10.6% |
| Illinois average | 8,480 | 10.2% | N/A | 34.1 min | 20.6% |
On highway truck volume, Boone County is among the three highest county-level areas in Illinois.
| Measure | Boone County | Illinois rank |
|---|---|---|
| Traffic volume (AADT) | 3,850 | #31 of 102 |
| Highway vehicle-miles per day | 696,120 | #32 of 82 |
| Truck share on highways | 22.4% | #32 of 82 |
| Highway trucks per day | 4,113 | #3 of 82 |
| Average travel time | 31.2 min | #90 of 102 |
| Average driver income | $93,545 | #11 of 102 |
| Average driver age | 48.2 yrs | #71 of 102 |
The two ends of this table sit far apart: #3 of 82 on highway truck volume, against #90 of 102 on average travel time.
Traffic concentrates on a few corridors: the three busiest roads average 24,249 vehicles a day, against 3,850 on the average road in Boone County.
Jane Addams Memorial Tollway leads with 42,099 vehicles a day, 9,433 of them trucks (22.4%). No other road comes close: Belvidere Road, in second place, carries 15,456. It also carries the most trucks.
Jane Addams Memorial Tollway carries longer journeys than most roads here, with a median trip of 53.7 minutes against 31.2 county-wide.
Trucks make up 22.4% of traffic on Jane Addams Memorial Tollway, against 13.3% across all roads in the county.
Belvidere Road is busy with cars rather than freight: only 6.2% of its traffic is trucks, against 13.3% county-wide.
A main artery: Jane Addams Memorial Tollway's busiest stretch carries 10.9 times the county average; trucks are 22.4% of it, above the county-wide 13.3%.
Travel on Belvidere Road's busiest stretch runs 40% over free-flow time, against 12% across the county, so expect slower peak hours.
The busiest stretch of US 20 carries 3.9 times the county average; trucks are 9.8% of it, below the county-wide 13.3%.
State Street is one of the more congested roads here: trips take 36% longer than at free-flow speed, against 12% county-wide.
On its busiest stretch, N State Street carries 3.7 times the county average; trucks are 6.2% of it, below the county-wide 13.3%.
Genoa Road peaks at 12,988 vehicles a day, 3.4 times the county average; trucks are 9.7% of it, below the county-wide 13.3%.
Grant Highway carries 3.6 times the county average at its busiest, 929 of them trucks (6.8%, below the county-wide 13.3%).
The average monitored road in Boone carries 3,850 vehicles per day, 55% less than the Illinois average of 8,480.
The driver population in Boone skews younger than 69% of counties in Illinois.
Weekday traffic has two busy windows: AM peak 10:00 AM–12:00 PM and a long afternoon plateau from 3:00 PM to 7:00 PM - about 79% above the daily average.
The average trip in Boone takes 31.2 minutes, 8% shorter than the Illinois average of 34.1 minutes, delays at signals and congestion included.
Drivers on Boone roads have a median age of 48 years, and the median household income of the neighborhoods trips originate from averages $93,545, in line with the Illinois average.
Approximately 75% of highway traffic and 13% of non-highway traffic consists of vehicles whose trip originates outside Boone County, Illinois. Most highway traffic here starts elsewhere, so the highways serve the wider region more than the local community.
Trucks make up about 13.3% of all traffic in Boone County, Illinois, rising to 22.4% on highways, where long-haul freight concentrates.
Jane Addams Memorial Tollway carries the most, 42,099 vehicles per day on its busiest stretch, followed by Belvidere Road (15,456), US 20 (15,191), State Street (14,899), N State Street (14,231). Figures are AADT, both directions combined.
Jane Addams Memorial Tollway, with about 9,433 trucks per day on its busiest stretch, 22.4% of its 42,099 vehicles.
About 42,099 vehicles per day in both directions on its busiest stretch, including 9,433 trucks (22.4%). 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 Boone County, Illinois.
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