
Total Traffic Volume & Performance in Jay County, Indiana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,626 |
|---|
Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.6% |
|---|
Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 37.5 min |
|---|
Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 7.4% |
|---|
Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.7 yrs |
|---|
Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $56,704 |
|---|
Our data shows 2,626 vehicles per day on the average road in Jay County, Indiana, and 338,553 vehicle-miles traveled per day (≈124 million per year) across its 156 miles of monitored roads. About 1 in 9 vehicles is a truck, in line with Indiana (12.1%).
Longer trips than 89% of counties in Indiana
At 2,626 vehicles per day, the average monitored road in Jay carries 54% less traffic than the state average of 5,704, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Jay accounts for about 0.2% of Indiana's statewide total of vehicle-miles. Jay carries less traffic than 79% of counties in Indiana.
At 37.5 minutes, the average travel time is 12% higher than the state level. 89% of counties in Indiana have a shorter average travel time than Jay's 37.5 minutes.
At 52% lower than the state level, the 7.4% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jay County, Indiana
| Traffic | vehicles per day5,649 |
|---|
| Trucks | 11.5% |
|---|
| Average travel time | 35.5 min |
|---|
| Congestion ratio | 13.4% |
|---|
| Drivers’ average age | 48.6 yrs |
|---|
| Drivers’ average income | $57,058 |
|---|
Highways carry more than half of all travel in Jay County, Indiana (58% of vehicle-miles). The average highway carries 5,649 vehicles per day, 324% more than the average non-highway road in the same area, which carries 1,332 vehicles per day.
Highways make up 27% of the monitored road miles (42 miles, 532 segments), so they carry more than their share: 196,492 vehicle-miles traveled per day (≈71.7 million per year).
Fewer highway trucks than 94% of counties in Indiana
Highway truck concentration here runs 41% lower than the state average, at 11.5%. Highways here carry mainly commuter and local trips, with little through freight.
91% of counties in Indiana see a higher highway truck share than Jay's 11.5%. 94% of counties in Indiana see more highway trucks per day than Jay's roughly 648.

Non-highway Traffic in Jay County, Indiana
| Traffic | vehicles per day1,332 |
|---|
| Trucks | 9.3% |
|---|
| Average travel time | 38.4 min |
|---|
| Congestion ratio | 4.9% |
|---|
| Drivers’ average age | 49.0 yrs |
|---|
| Drivers’ average income | $55,930 |
|---|
A significant share of driving in Jay County, Indiana, 42% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 1,332 vehicles per day.
Local roads make up 73% of the monitored road miles (115 miles in 1,243 segments) but carry less than their share of travel: 142,061 vehicle-miles traveled per day (≈51.9 million per year). The truck share on non-highway roads is 9.3%.
Drivers from lower-income areas than 99% of counties in Indiana
Compared to highways, non-highway routes see 19% fewer trucks by share.
The non-highway congestion ratio of 4.9% is 68% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have lower average income than 99% of counties in Indiana. The driver population here skews older than 64% of counties in Indiana.