
Total Traffic Volume & Performance in Shelby County, Indiana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,531 |
|---|
Trucks The percentage of the total traffic volume composed of heavy vehicles. | 18.7% |
|---|
Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.1 min |
|---|
Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 10.8% |
|---|
Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.1 yrs |
|---|
Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $76,408 |
|---|
The average monitored road in Shelby County, Indiana carries 3,531 vehicles per day. Across its 336 miles of monitored roads, that adds up to 1,573,513 vehicle-miles traveled per day (≈574 million per year). Freight weighs heavily here: trucks are 18.7% of traffic, against 12.1% across Indiana.
Traffic 38% below the Indiana average
Shelby's average daily traffic volume is 38% lower than the state average - 3,531 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, Shelby accounts for about 1.0% of Indiana's statewide total of vehicle-miles. By volume, Shelby's 3,531 vehicles per day trails 53% of counties in Indiana.
At 34.1 minutes, the average travel time matches the state level closely. Its average travel time of 34.1 minutes is shorter than 51% of counties in Indiana.
The congestion ratio of 10.8% is 31% lower, pointing to smoother traffic flow than the state level - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Shelby County, Indiana
| Traffic | vehicles per day15,967 |
|---|
| Trucks | 27.4% |
|---|
| Average travel time | 58.0 min |
|---|
| Congestion ratio | 35.8% |
|---|
| Drivers’ average age | 46.2 yrs |
|---|
| Drivers’ average income | $81,356 |
|---|
A little more than half of the driving in Shelby County, Indiana happens on highways: 58% of all vehicle-miles. The average highway carries 15,967 vehicles per day, 391% more than the average non-highway road in the same area, which carries 3,255 vehicles per day.
That comes from just 16% of the monitored road miles: 55 miles in 122 segments, carrying 908,818 vehicle-miles traveled per day (≈332 million per year).
71% of counties in Indiana move less traffic on their highways.
Higher highway truck share than 82% of counties in Indiana
Highway truck concentration here runs 40% higher than the state average, at 27.4%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Shelby's highway truck share (27.4%) is higher than 82% of counties in Indiana. Shelby's highway truck count is higher than 82% of counties in Indiana, at roughly 4,378 trucks per day.

Non-highway Traffic in Shelby County, Indiana
| Traffic | vehicles per day3,255 |
|---|
| Trucks | 6.7% |
|---|
| Average travel time | 33.6 min |
|---|
| Congestion ratio | 10.3% |
|---|
| Drivers’ average age | 47.6 yrs |
|---|
| Drivers’ average income | $74,081 |
|---|
Local roads carry a significant share of travel in Shelby County, Indiana: 42% of all vehicle-miles. The average non-highway road carries 3,255 vehicles per day.
Spread over 281 miles and 5,495 segments, 84% of the road network, local roads carry a lighter load per mile: 664,696 vehicle-miles traveled per day (≈243 million per year). The truck share on non-highway roads is 6.7%.
Local roads carry 76% fewer trucks by share than highways
Compared to highways, non-highway routes see 76% fewer trucks by share.
Non-highway congestion (10.3%) runs 32% lower than the state average, pointing to smoother local traffic flow.
64% of counties in Indiana see lower average driver income among trip origins than Shelby. Shelby's median driver age is lower than 67% of counties in Indiana.