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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,229 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 10.8% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 33.7 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 6.9% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 53.6 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $75,711 |
Our data shows 2,229 vehicles per day on the average road in Jo Daviess County, Illinois, and 485,594 vehicle-miles traveled per day (≈177 million per year) across its 228 miles of monitored roads. Trucks are 10.8% of traffic, close to the 10.2% across Illinois.
At 2,229 vehicles per day, the average monitored road in Jo Daviess carries 74% 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. Network-wide, Jo Daviess accounts for about 0.2% of Illinois's statewide total of vehicle-miles. Jo Daviess carries less traffic than 77% of counties in Illinois.
The average trip takes 33.7 minutes, on par with the state level. Its average travel time of 33.7 minutes is shorter than 52% of counties in Illinois.
Congestion runs 67% lower than the state level, at a ratio of 6.9%, which means smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
| Traffic | vehicles per day6,254 |
|---|---|
| Trucks | 11.8% |
| Average travel time | 41.2 min |
| Congestion ratio | 16.0% |
| Drivers’ average age | 53.4 yrs |
| Drivers’ average income | $76,415 |
A little more than half of the driving in Jo Daviess County, Illinois happens on highways: 67% of all vehicle-miles. The average highway carries 6,254 vehicles per day, 439% more than the average non-highway road in the same area, which carries 1,160 vehicles per day.
With 24% of the road miles (56 miles in 523 segments), highways punch above their length, carrying 322,932 vehicle-miles traveled per day (≈118 million per year).
At 11.8%, highway truck share is 32% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 85% of counties in Illinois. By raw truck volume, Jo Daviess carries fewer highway trucks than 84% of counties in Illinois.
| Traffic | vehicles per day1,160 |
|---|---|
| Trucks | 8.7% |
| Average travel time | 31.7 min |
| Congestion ratio | 4.5% |
| Drivers’ average age | 55.0 yrs |
| Drivers’ average income | $74,201 |
Local roads carry a significant share of travel in Jo Daviess County, Illinois: 33% of all vehicle-miles. The average non-highway road carries 1,160 vehicles per day.
Spread over 172 miles and 1,969 segments, 76% of the road network, local roads carry a lighter load per mile: 162,662 vehicle-miles traveled per day (≈59.4 million per year). The truck share on non-highway roads is 8.7%.
Non-highway roads carry a truck concentration that's 27% lower than the highway network.
At 78% lower than the state level, the non-highway congestion ratio of 4.5% signals easier movement on local roads.
Jo Daviess's average driver income is higher than 60% of counties in Illinois. 96% of counties in Illinois have a younger driver population than Jo Daviess.
The average daily traffic per road sets Jo Daviess County apart: 74% below the Illinois average. Its highway truck share is also 32% below.
| Metric | Jo Daviess County | Illinois average | Difference |
|---|---|---|---|
| Traffic | 2,229 | 8,480 | -73.7% |
| Truck % (Total Traffic) | 10.8% | 10.2% | +5.7% |
| Truck % (Highway) | 11.8% | 17.3% | -31.9% |
| Avg. Travel Time | 33.7 min | 34.1 min | -1.2% |
Jo Daviess 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.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Jo Daviess County | 2,229 | 10.8% | 485,594 | 33.7 min | 6.9% |
| Lafayette County, Wisconsin | 1,355 | 10.8% | 451,719 | 36.9 min | 6.1% |
| Carroll County, Illinois | 2,135 | 8.5% | 310,090 | 35.2 min | 8.0% |
| Jackson County, Iowa | 1,548 | 10.3% | 478,968 | 34.1 min | 6.6% |
| Stephenson County, Illinois | 2,979 | 8.1% | 893,938 | 33.9 min | 10.1% |
| Illinois average | 8,480 | 10.2% | N/A | 34.1 min | 20.6% |
Average driver age places Jo Daviess County #5 of 102 in Illinois - the top quarter of the state.
| Measure | Jo Daviess County | Illinois rank |
|---|---|---|
| Traffic volume (AADT) | 2,229 | #79 of 102 |
| Highway vehicle-miles per day | 322,932 | #54 of 82 |
| Truck share on highways | 11.8% | #70 of 82 |
| Highway trucks per day | 739 | #69 of 82 |
| Average travel time | 33.7 min | #53 of 102 |
| Average driver income | $75,711 | #41 of 102 |
| Average driver age | 53.6 yrs | #5 of 102 |
Jo Daviess County ranks #5 of 102 on average driver age but #70 of 82 on truck share on highways - the two describe the same roads and are worth reading together rather than either on its own.
The top three roads on this list in Jo Daviess County average 10,630 vehicles a day, 4.8 times the county average of 2,229 across all its monitored roads.
Sinsinawa Avenue tops the list with 14,033 vehicles a day, 1,798 of them trucks (12.8%). It tops the truck ranking too, with the most trucks on the list.
Madison Street carries longer journeys than most roads here, with a median trip of 51.6 minutes against 33.7 county-wide.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
A main artery: Sinsinawa Avenue's busiest stretch carries 6.3 times the county average; trucks are 12.8% of it, above the county-wide 10.8%.
The busiest stretch of US 20 carries 4.4 times the county average; trucks are 12.4% of it, above the county-wide 10.8%.
Travel on Spring Street's busiest stretch runs 23% over free-flow time, against 7% across the county, so expect slower peak hours.
North Avenue carries through traffic: the median trip using it lasts 45.7 minutes, against 33.7 for the county.
On its busiest stretch, Madison Street carries 3.2 times the county average; trucks are 10.5% of it, in line with the county-wide 10.8%.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
South Lane peaks at 5,849 vehicles a day, 2.6 times the county average; trucks are 14.5% of it, above the county-wide 10.8%.
Decatur Street is one of the more congested roads here: trips take 21% longer than at free-flow speed, against 7% county-wide.
The average monitored road in Jo Daviess carries 2,229 vehicles per day, 74% less than the Illinois average of 8,480.
The driver population in Jo Daviess skews older than 96% of counties in Illinois.
Trucks make up about 10.8% of all traffic in Jo Daviess County, Illinois, with about the same share on highways (11.8%).
Approximately 16% of highway traffic and 7% of non-highway traffic consists of vehicles whose trip originates outside Jo Daviess County, Illinois. Even highway traffic is mostly local, so these roads mainly serve residents and commuters.
Drivers on Jo Daviess roads have a median age of 54 years, older than the Illinois average of 46, and the median household income of the neighborhoods trips originate from averages $75,711, 20% below the Illinois average.
The average trip in Jo Daviess takes 33.7 minutes, about the same as the Illinois average, delays at signals and congestion included.
About 14,033 vehicles per day in both directions on its busiest stretch, including 1,798 trucks (12.8%). 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 Jo Daviess County, Illinois.
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