
Total Traffic Volume & Performance in Butler County, Pennsylvania
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,782 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.7 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. | 15.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $93,909 |
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A typical monitored road in Butler County, Pennsylvania sees 5,782 vehicles per day, while its 687 miles of monitored roads together handle 3,962,335 vehicle-miles traveled per day (≈1.4 billion per year). Trucks are a smaller part of the mix than across Pennsylvania: 8.4% against 10.6%.
Busier roads than 85% of counties in Pennsylvania
Butler's average daily traffic volume of 5,782 vehicles per day is on par with the state average of 5,617. Network-wide, Butler accounts for about 1.8% of Pennsylvania's statewide total of vehicle-miles. Butler carries more traffic than 85% of counties in Pennsylvania.
The average trip takes 32.7 minutes, 6% lower than the state level. Its average travel time of 32.7 minutes is shorter than 73% of counties in Pennsylvania.
The congestion ratio of 15.4% runs slightly lower than the state level (7% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Butler County, Pennsylvania
| Traffic | vehicles per day15,619 |
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| Trucks | 11.6% |
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| Average travel time | 34.8 min |
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| Congestion ratio | 25.8% |
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| Drivers’ average age | 49.7 yrs |
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| Drivers’ average income | $95,799 |
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A significant share of driving in Butler County, Pennsylvania, 43% of vehicle-miles, happens on highways. The average highway carries 15,619 vehicles per day, 206% more than the average non-highway road in the same area, which carries 5,110 vehicles per day.
With 19% of the road miles (132 miles in 1,016 segments), highways punch above their length, carrying 1,709,341 vehicle-miles traveled per day (≈624 million per year).
That is more highway travel volume than 65% of counties in Pennsylvania.
Lower highway truck share than 78% of counties in Pennsylvania
Highway truck concentration here runs 26% lower than the state average, at 11.6%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 78% of counties in Pennsylvania. By raw truck volume, Butler carries fewer highway trucks than 67% of counties in Pennsylvania.

Non-highway Traffic in Butler County, Pennsylvania
| Traffic | vehicles per day5,110 |
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| Trucks | 5.9% |
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| Average travel time | 32.5 min |
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| Congestion ratio | 14.7% |
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| Drivers’ average age | 50.6 yrs |
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| Drivers’ average income | $93,106 |
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Local roads carry more than half of all travel in Butler County, Pennsylvania (57% of vehicle-miles). A typical local road sees 5,110 vehicles per day.
Local roads make up 81% of the monitored road miles (555 miles in 14,871 segments) but carry less than their share of travel: 2,252,994 vehicle-miles traveled per day (≈822 million per year). Trucks make up 5.9% of non-highway traffic, about 1 in 17 vehicles.
Drivers from higher-income areas than 89% of counties in Pennsylvania
Compared to highways, non-highway routes see 49% fewer trucks by share.
Non-highway congestion (14.7%) runs slightly lower than the state level (7% lower).
Trip origins here have higher average income than 89% of counties in Pennsylvania. Butler's median driver age is higher than 50% of counties in Pennsylvania.