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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day4,973 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 15.6% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 33.2 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 16.9% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 36.8 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $77,416 |
A typical monitored road in Centre County, Pennsylvania sees 4,973 vehicles per day, while its 708 miles of monitored roads together handle 3,234,309 vehicle-miles traveled per day (≈1.2 billion per year). Trucks are 15.6% of traffic, more than the 10.6% across Pennsylvania.
Centre's average daily traffic volume is 11% lower than the state average - 4,973 vehicles per day against 5,617 - a critical factor for logistics and site planning. Network-wide, Centre accounts for about 1.5% of Pennsylvania's statewide total of vehicle-miles. Centre carries more traffic than 74% of counties in Pennsylvania.
At 33.2 minutes, the average travel time matches the state level closely. 58% of counties in Pennsylvania have a longer average travel time than Centre's 33.2 minutes.
The congestion ratio of 16.9% is in line with the state level.
| Traffic | vehicles per day10,297 |
|---|---|
| Trucks | 23.6% |
| Average travel time | 47.4 min |
| Congestion ratio | 26.5% |
| Drivers’ average age | 41.5 yrs |
| Drivers’ average income | $76,628 |
Highways carry about half of all travel in Centre County, Pennsylvania, 53% of vehicle-miles. The average highway carries 10,297 vehicles per day, 127% more than the average non-highway road in the same area, which carries 4,545 vehicles per day.
With 25% of the road miles (174 miles in 668 segments), highways punch above their length, carrying 1,720,127 vehicle-miles traveled per day (≈628 million per year).
By highway travel volume, Centre outranks 68% of counties in Pennsylvania.
At 23.6%, highway truck share is 50% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 78% of counties in Pennsylvania. 68% of counties in Pennsylvania see fewer highway trucks per day than Centre's roughly 2,426.
| Traffic | vehicles per day4,545 |
|---|---|
| Trucks | 6.5% |
| Average travel time | 32.1 min |
| Congestion ratio | 16.2% |
| Drivers’ average age | 35.3 yrs |
| Drivers’ average income | $77,859 |
Local roads carry about half of all travel in Centre County, Pennsylvania, 47% of vehicle-miles. On the average non-highway road, that comes to 4,545 vehicles per day.
Local roads make up 75% of the monitored road miles (534 miles in 8,323 segments) but carry less than their share of travel: 1,514,182 vehicle-miles traveled per day (≈553 million per year). Trucks make up 6.5% of non-highway traffic, about 1 in 15 vehicles.
The concentration of trucks on non-highway roads is 72% lower than on highways.
At 16.2%, the non-highway congestion ratio matches the state level closely.
Centre's average driver income is higher than 65% of counties in Pennsylvania. Centre has the lowest median driver age in Pennsylvania - 37 years.
The highway truck share sets Centre County apart: 50% above the Pennsylvania average. Its truck share is also 46% above.
| Metric | Centre County | Pennsylvania average | Difference |
|---|---|---|---|
| Traffic | 4,973 | 5,617 | -11.5% |
| Truck % (Total Traffic) | 15.6% | 10.6% | +46.2% |
| Truck % (Highway) | 23.6% | 15.8% | +49.6% |
| Avg. Travel Time | 33.2 min | 34.6 min | -4.0% |
Compared with its 4 closest neighbours, Centre County carries 75.3% more traffic on a typical road and is 53.4% more congested; it has the busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Centre County | 4,973 | 15.6% | 3,234,309 | 33.2 min | 16.9% |
| Clinton County, Pennsylvania | 2,953 | 22.3% | 1,126,247 | 39.1 min | 12.4% |
| Mifflin County, Pennsylvania | 3,539 | 13.1% | 1,001,028 | 39.7 min | 13.2% |
| Clearfield County, Pennsylvania | 2,696 | 22.1% | 2,050,419 | 32.1 min | 9.9% |
| Juniata County, Pennsylvania | 2,154 | 16.1% | 668,824 | 30.8 min | 8.6% |
| Pennsylvania average | 5,617 | 10.6% | N/A | 34.6 min | 16.5% |
No county-level area in Pennsylvania records a lower average driver age than Centre County.
| Measure | Centre County | Pennsylvania rank |
|---|---|---|
| Traffic volume (AADT) | 4,973 | #18 of 67 |
| Highway vehicle-miles per day | 1,720,127 | #21 of 64 |
| Truck share on highways | 23.6% | #15 of 64 |
| Highway trucks per day | 2,426 | #21 of 64 |
| Average travel time | 33.2 min | #39 of 67 |
| Average driver income | $77,416 | #24 of 67 |
| Average driver age | 36.8 yrs | #67 of 67 |
Centre County ranks #15 of 64 on truck share on highways but #67 of 67 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.
Traffic concentrates on a few corridors: the three busiest roads average 23,863 vehicles a day, against 4,973 on the average road in Centre County.
I 99 leads with 26,180 vehicles a day, 3,119 of them trucks (11.9%). I 80 carries the most trucks, 8,184 a day (35.0% of its traffic), although it ranks #2 for all traffic.
I 80 carries longer journeys than most roads here, with a median trip of 62.4 minutes against 33.2 county-wide.
Freight stands out on I 80: trucks are 35.0% of the traffic there, against 15.6% county-wide.
Few trucks use Atherton Street: 4.8% of its traffic, under half the county's 15.6%.
At 5.3 times the county average, I 99 draws drivers from neighborhoods averaging $78,858 in household income.
I 80 carries 4.7 times the county average at its busiest, 8,184 of them trucks (35.0%, above the county-wide 15.6%).
Delays build on Atherton Street: its congestion ratio of 33% over free-flow time is well above the county's 17%.
Mount Nittany Expressway carries 3.5 times the county average on its busiest stretch, where the median trip lasts 45.7 minutes.
Travel on Boal Avenue's busiest stretch runs 43% over free-flow time, against 17% across the county, so expect slower peak hours.
Drivers on General Potter Highway are on long journeys, a median 60.5 minutes against 33.2 county-wide: a through route more than a local street.
The average monitored road in Centre carries 4,973 vehicles per day, 11% less than the Pennsylvania average of 5,617.
Yes - at a median of 37 years, Centre has the lowest driver age of any county in Pennsylvania.
The average trip in Centre takes 33.2 minutes, about the same as the Pennsylvania average, delays at signals and congestion included.
Approximately 29% of highway traffic and 3% of non-highway traffic consists of vehicles whose trip originates outside Centre County, Pennsylvania. Even highway traffic is mostly local, so these roads mainly serve residents and commuters.
Weekday traffic has two busy windows: AM peak 10:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM - about 68% above the daily average.
I 99 carries the most, 26,180 vehicles per day on its busiest stretch, followed by I 80 (23,395), Atherton Street (22,014), Mount Nittany Expressway (17,461), Boal Avenue (16,362). Figures are AADT, both directions combined.
I 80, with about 8,184 trucks per day on its busiest stretch, 35.0% of its 23,395 vehicles.
About 26,180 vehicles per day in both directions on its busiest stretch, including 3,119 trucks (11.9%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Centre County, Pennsylvania.
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.