
Total Traffic Volume & Performance in Jefferson County, Pennsylvania
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,946 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 22.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.9 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. | 9.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $60,856 |
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The average monitored road in Jefferson County, Pennsylvania carries 2,946 vehicles per day. Across its 373 miles of monitored roads, that adds up to 1,162,775 vehicle-miles traveled per day (≈424 million per year). Freight weighs heavily here: trucks are 22.4% of traffic, against 10.6% across Pennsylvania.
Traffic 48% below the Pennsylvania average
Jefferson's average daily traffic volume is 48% lower than the state average - 2,946 vehicles per day against 5,617 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Jefferson accounts for about 0.5% of Pennsylvania's statewide total of vehicle-miles. By volume, Jefferson's 2,946 vehicles per day trails 71% of counties in Pennsylvania.
At 32.9 minutes, the average travel time is 5% lower than the state level. 70% of counties in Pennsylvania have a longer average travel time than Jefferson's 32.9 minutes.
Congestion runs 40% lower than the state level, at a ratio of 9.9%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jefferson County, Pennsylvania
| Traffic | vehicles per day6,950 |
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| Trucks | 31.8% |
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| Average travel time | 42.2 min |
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| Congestion ratio | 18.1% |
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| Drivers’ average age | 51.8 yrs |
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| Drivers’ average income | $61,470 |
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A little more than half of the driving in Jefferson County, Pennsylvania happens on highways: 60% of all vehicle-miles. The average highway carries 6,950 vehicles per day, 200% more than the average non-highway road in the same area, which carries 2,314 vehicles per day.
With 21% of the road miles (80 miles in 519 segments), highways punch above their length, carrying 700,482 vehicle-miles traveled per day (≈256 million per year).
A major freight corridor
Highway truck concentration here runs 102% higher than the state average, at 31.8%. That marks Jefferson as a major freight corridor, where highway access is what logistics operators compete on.
By truck concentration, highways here outrank 98% of counties in Pennsylvania. Jefferson's highway truck count is higher than 86% of counties in Pennsylvania, at roughly 2,212 trucks per day.

Non-highway Traffic in Jefferson County, Pennsylvania
| Traffic | vehicles per day2,314 |
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| Trucks | 8.2% |
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| Average travel time | 31.4 min |
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| Congestion ratio | 8.6% |
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| Drivers’ average age | 52.0 yrs |
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| Drivers’ average income | $60,174 |
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A significant share of driving in Jefferson County, Pennsylvania, 40% of vehicle-miles, happens on local roads. A typical local road sees 2,314 vehicles per day.
Spread over 294 miles and 3,288 segments, 79% of the road network, local roads carry a lighter load per mile: 462,293 vehicle-miles traveled per day (≈169 million per year). The truck share on non-highway roads is 8.2%.
Drivers from lower-income areas than 91% of counties in Pennsylvania
Compared to highways, non-highway routes see 74% fewer trucks by share.
At 45% lower than the state level, the non-highway congestion ratio of 8.6% signals easier movement on local roads.
91% of counties in Pennsylvania see higher average driver income among trip origins than Jefferson. Jefferson's median driver age is higher than 71% of counties in Pennsylvania.