
Total Traffic Volume & Performance in Indiana County, Pennsylvania
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,325 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 43.1 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 12.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $61,735 |
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The average monitored road in Indiana County, Pennsylvania carries 3,325 vehicles per day. Across its 547 miles of monitored roads, that adds up to 1,560,678 vehicle-miles traveled per day (≈570 million per year). About 1 in 10 vehicles is a truck, in line with Pennsylvania (10.6%).
The longest trips of any county in Pennsylvania
At 3,325 vehicles per day, the average monitored road in Indiana carries 41% less traffic than the state average of 5,617, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 0.7% of Pennsylvania's statewide total of vehicle-miles. Indiana carries less traffic than 62% of counties in Pennsylvania.
Journey times run 24% higher than the state level, at 43.1 minutes on average. It also posts the highest average travel time in Pennsylvania, at 43.1 minutes.
The congestion ratio of 12.2% is 26% 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 Indiana County, Pennsylvania
| Traffic | vehicles per day5,994 |
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| Trucks | 12.1% |
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| Average travel time | 49.9 min |
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| Congestion ratio | 14.5% |
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| Drivers’ average age | 49.6 yrs |
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| Drivers’ average income | $63,182 |
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Highways carry more than half of all travel in Indiana County, Pennsylvania (59% of vehicle-miles). The average highway carries 5,994 vehicles per day, 127% more than the average non-highway road in the same area, which carries 2,644 vehicles per day.
With 31% of the road miles (169 miles in 1,066 segments), highways punch above their length, carrying 927,713 vehicle-miles traveled per day (≈339 million per year).
Fewer highway trucks than 89% of counties in Pennsylvania
Highway truck concentration here runs 23% lower than the state average, at 12.1%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
75% of counties in Pennsylvania see a higher highway truck share than Indiana's 12.1%. Indiana's highway truck count is lower than 89% of counties in Pennsylvania, at roughly 723 trucks per day.

Non-highway Traffic in Indiana County, Pennsylvania
| Traffic | vehicles per day2,644 |
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| Trucks | 6.9% |
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| Average travel time | 41.3 min |
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| Congestion ratio | 11.7% |
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| Drivers’ average age | 45.8 yrs |
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| Drivers’ average income | $60,454 |
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A significant share of driving in Indiana County, Pennsylvania, 41% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 2,644 vehicles per day.
Local roads make up 69% of the monitored road miles (379 miles in 4,176 segments) but carry less than their share of travel: 632,966 vehicle-miles traveled per day (≈231 million per year). About 1 in 15 vehicles on non-highway roads is a truck (6.9%).
Younger drivers than 88% of counties in Pennsylvania
Non-highway roads carry a truck concentration that's 43% lower than the highway network.
Non-highway congestion (11.7%) runs 26% lower than the state average, pointing to smoother local traffic flow.
85% of counties in Pennsylvania see higher average driver income among trip origins than Indiana. 88% of counties in Pennsylvania have an older driver population than Indiana.