
Total Traffic Volume & Performance in Union County, Pennsylvania
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,757 |
|---|
Trucks The percentage of the total traffic volume composed of heavy vehicles. | 17.0% |
|---|
Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.4 min |
|---|
Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 11.5% |
|---|
Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.8 yrs |
|---|
Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $71,658 |
|---|
Our data shows 3,757 vehicles per day on the average road in Union County, Pennsylvania, and 1,084,777 vehicle-miles traveled per day (≈396 million per year) across its 292 miles of monitored roads. About 1 in 6 vehicles is a truck, well above the 10.6% across Pennsylvania - a freight-heavy mix.
Longer trips than 67% of counties in Pennsylvania
Union sees 33% lower average daily traffic volume than the state average (3,757 vehicles per day against 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 0.5% of Pennsylvania's statewide total of vehicle-miles. Union carries more traffic than 56% of counties in Pennsylvania.
Journey times here (34.4 minutes on average) closely track the state level. 67% of counties in Pennsylvania have a shorter average travel time than Union's 34.4 minutes.
At 31% lower than the state level, the 11.5% congestion ratio signals smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Union County, Pennsylvania
| Traffic | vehicles per day10,487 |
|---|
| Trucks | 25.0% |
|---|
| Average travel time | 43.7 min |
|---|
| Congestion ratio | 22.9% |
|---|
| Drivers’ average age | 48.9 yrs |
|---|
| Drivers’ average income | $72,192 |
|---|
A little more than half of the driving in Union County, Pennsylvania happens on highways: 58% of all vehicle-miles. The average highway carries 10,487 vehicles per day, 285% more than the average non-highway road in the same area, which carries 2,722 vehicles per day.
Highways make up 23% of the monitored road miles (66 miles, 431 segments), so they carry more than their share: 628,196 vehicle-miles traveled per day (≈229 million per year).
Higher highway truck share than 84% of counties in Pennsylvania
The concentration of trucks on highways (25.0%) is 59% higher than the state average for similar road classifications. That marks Union as a major freight corridor, where highway access is what logistics operators compete on.
By truck concentration, highways here outrank 84% of counties in Pennsylvania. 70% of counties in Pennsylvania see fewer highway trucks per day than Union's roughly 2,623.

Non-highway Traffic in Union County, Pennsylvania
| Traffic | vehicles per day2,722 |
|---|
| Trucks | 6.0% |
|---|
| Average travel time | 33.0 min |
|---|
| Congestion ratio | 9.7% |
|---|
| Drivers’ average age | 51.4 yrs |
|---|
| Drivers’ average income | $71,225 |
|---|
Local roads carry a significant share of travel in Union County, Pennsylvania: 42% of all vehicle-miles. The average non-highway road carries 2,722 vehicles per day.
Spread over 226 miles and 2,803 segments, 77% of the road network, local roads carry a lighter load per mile: 456,582 vehicle-miles traveled per day (≈167 million per year). The truck share on non-highway roads is 6.0%.
Local congestion 38% below the Pennsylvania average
Non-highway roads carry a truck concentration that's 76% lower than the highway network.
Non-highway congestion (9.7%) runs 38% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have higher average income than 55% of counties in Pennsylvania. The driver population here skews younger than 55% of counties in Pennsylvania.