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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,952 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 18.1% |
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. | 9.2% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 46.1 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $73,914 |
A typical monitored road in Clay County, Indiana sees 2,952 vehicles per day, while its 249 miles of monitored roads together handle 900,494 vehicle-miles traveled per day (≈329 million per year). Trucks are 18.1% of traffic, more than the 12.1% across Indiana.
Clay's average daily traffic volume is 48% lower than the state average - 2,952 vehicles per day against 5,704 - suggesting less traffic load per road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Clay accounts for about 0.6% of Indiana's statewide total of vehicle-miles. 70% of counties in Indiana see more traffic than Clay's 2,952 vehicles per day.
At 33.7 minutes, the average travel time matches the state level closely. 60% of counties in Indiana have a longer average travel time than Clay's 33.7 minutes.
The congestion ratio of 9.2% is 41% lower, pointing to smoother traffic flow than the state level - travel times are easy to plan around for scheduled deliveries.
| Traffic | vehicles per day13,861 |
|---|---|
| Trucks | 31.0% |
| Average travel time | 55.8 min |
| Congestion ratio | 31.9% |
| Drivers’ average age | 46.4 yrs |
| Drivers’ average income | $76,309 |
Highways carry about half of all travel in Clay County, Indiana, 46% of vehicle-miles. The average highway carries 13,861 vehicles per day, 386% more than the average non-highway road in the same area, which carries 2,853 vehicles per day.
That comes from just 11% of the monitored road miles: 27 miles in 36 segments, carrying 413,929 vehicle-miles traveled per day (≈151 million per year).
Highway truck concentration here runs 58% higher than the state average, at 31.0%. That marks Clay as a major freight corridor, where highway access is what logistics operators compete on.
90% of counties in Indiana see a lower highway truck share than Clay's 31.0%. 86% of counties in Indiana see fewer highway trucks per day than Clay's roughly 4,297.
| Traffic | vehicles per day2,853 |
|---|---|
| Trucks | 7.1% |
| Average travel time | 33.5 min |
| Congestion ratio | 9.0% |
| Drivers’ average age | 46.0 yrs |
| Drivers’ average income | $73,423 |
Local roads carry about half of all travel in Clay County, Indiana, 54% of vehicle-miles. On the average non-highway road, that comes to 2,853 vehicles per day.
Local roads make up 89% of the monitored road miles (222 miles in 3,965 segments) but carry less than their share of travel: 486,566 vehicle-miles traveled per day (≈178 million per year). Trucks make up 7.1% of non-highway traffic, about 1 in 14 vehicles.
Non-highway roads carry a truck concentration that's 77% lower than the highway network.
The non-highway congestion ratio of 9.0% is 41% lower than the state level, suggesting more efficient local mobility than the state average.
51% of counties in Indiana see lower average driver income among trip origins than Clay. The driver population here skews younger than 81% of counties in Indiana.
Of the four measures, highway truck share differs most: Clay County runs 58% above the Indiana average. Its truck share is also 50% above.
| Metric | Clay County | Indiana average | Difference |
|---|---|---|---|
| Traffic | 2,952 | 5,704 | -48.2% |
| Truck % (Total Traffic) | 18.1% | 12.1% | +49.7% |
| Truck % (Highway) | 31.0% | 19.6% | +58.3% |
| Avg. Travel Time | 33.7 min | 33.5 min | +0.6% |
Against the 4 nearest areas, Clay County runs 7.7 percentage points more truck traffic and is 29.0% less congested; it has the fourth busiest roads of the five. Freight passes through here that never reaches the areas around it: the truck share is high precisely because the local car traffic is not.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Clay County | 2,952 | 18.1% | 900,494 | 33.7 min | 9.2% |
| Vigo County, Indiana | 5,787 | 12.3% | 2,041,205 | 34.2 min | 16.3% |
| Owen County, Indiana | 3,545 | 9.0% | 366,054 | 38.9 min | 14.5% |
| Greene County, Indiana | 3,438 | 11.7% | 783,750 | 32.6 min | 11.5% |
| Parke County, Indiana | 2,182 | 8.4% | 271,933 | 35.7 min | 9.2% |
| Indiana average | 5,704 | 12.1% | N/A | 33.5 min | 15.6% |
Truck share on highways places Clay County #9 of 79 in Indiana - the top quarter of the state.
| Measure | Clay County | Indiana rank |
|---|---|---|
| Traffic volume (AADT) | 2,952 | #65 of 92 |
| Highway vehicle-miles per day | 413,929 | #51 of 79 |
| Truck share on highways | 31.0% | #9 of 79 |
| Highway trucks per day | 4,297 | #12 of 79 |
| Average travel time | 33.7 min | #56 of 92 |
| Average driver income | $73,914 | #46 of 92 |
| Average driver age | 46.1 yrs | #75 of 92 |
The two ends of this table sit far apart: #9 of 79 on truck share on highways, against #75 of 92 on average driver age.
Traffic concentrates on a few corridors: the three busiest roads average 18,342 vehicles a day, against 2,952 on the average road in Clay County.
I 70 leads with 26,097 vehicles a day, 8,182 of them trucks (31.4%). That is 68% more than the next road, National Avenue (15,530). It also carries the most trucks.
Trips using Dwight D Eisenhower Highway are long: a median of 73.8 minutes against 33.7 county-wide, the mark of a through route.
Trucks make up 31.4% of traffic on I 70 and 29.1% on Dwight D Eisenhower Highway, against 18.1% across all roads in the county.
Few trucks use National Avenue: 5.4% of its traffic, under half the county's 18.1%.
Travel on I 70's busiest stretch runs 32% over free-flow time, against 9% across the county, so expect slower peak hours.
A main artery: National Avenue's busiest stretch carries 5.3 times the county average; trucks are 5.4% of it, below the county-wide 18.1%.
At 4.5 times the county average, Dwight D Eisenhower Highway draws drivers from neighborhoods averaging $83,848 in household income.
The busiest stretch of US 40 carries 3.6 times the county average; trucks are 7.9% of it, below the county-wide 18.1%.
Forest Avenue is one of the more congested roads here: trips take 28% longer than at free-flow speed, against 9% county-wide.
The average monitored road in Clay carries 2,952 vehicles per day, 48% less than the Indiana average of 5,704.
The driver population in Clay skews younger than 81% of counties in Indiana.
Approximately 75% of highway traffic and 18% of non-highway traffic consists of vehicles whose trip originates outside Clay County, Indiana. Most highway traffic here starts elsewhere, so the highways serve the wider region more than the local community.
Trucks make up about 18.1% of all traffic in Clay County, Indiana, rising to 31.0% on highways, where long-haul freight concentrates.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 4:00 PM–6:00 PM - about 77% above the daily average.
I 70 carries the most, 26,097 vehicles per day on its busiest stretch, followed by National Avenue (15,530), Dwight D Eisenhower Highway (13,398), US 40 (10,670), Forest Avenue (9,986). Figures are AADT, both directions combined.
I 70, with about 8,182 trucks per day on its busiest stretch, 31.4% of its 26,097 vehicles.
About 26,097 vehicles per day in both directions on its busiest stretch, including 8,182 trucks (31.4%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

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 Clay County, Indiana.
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