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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day3,797 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 11.2% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 33.8 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 12.3% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 50.8 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $68,411 |
A typical monitored road in Northumberland County, Pennsylvania sees 3,797 vehicles per day, while its 459 miles of monitored roads together handle 1,772,967 vehicle-miles traveled per day (≈647 million per year). Trucks are 11.2% of traffic, close to the 10.6% across Pennsylvania.
At 3,797 vehicles per day, the average monitored road in Northumberland carries 32% less traffic than the state average of 5,617, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 0.8% of Pennsylvania's statewide total. 58% of counties in Pennsylvania see less traffic than Northumberland's 3,797 vehicles per day.
The average trip takes 33.8 minutes, on par with the state level. On travel time, Northumberland runs longer than 59% of counties in Pennsylvania.
At 25% lower than the state level, the 12.3% congestion ratio signals smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
| Traffic | vehicles per day13,178 |
|---|---|
| Trucks | 20.6% |
| Average travel time | 47.2 min |
| Congestion ratio | 28.8% |
| Drivers’ average age | 49.8 yrs |
| Drivers’ average income | $70,530 |
Highways carry a significant share of travel in Northumberland County, Pennsylvania: 33% of all vehicle-miles. The average highway carries 13,178 vehicles per day, 286% more than the average non-highway road in the same area, which carries 3,417 vehicles per day.
Highways make up 14% of the monitored road miles (66 miles, 257 segments), so they carry more than their share: 585,940 vehicle-miles traveled per day (≈214 million per year).
Highway truck concentration here runs 31% higher than the state average, at 20.6%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Northumberland's highway truck share (20.6%) is higher than 65% of counties in Pennsylvania. By raw truck volume, Northumberland carries fewer highway trucks than 51% of counties in Pennsylvania.
| Traffic | vehicles per day3,417 |
|---|---|
| Trucks | 6.5% |
| Average travel time | 33.3 min |
| Congestion ratio | 11.7% |
| Drivers’ average age | 51.4 yrs |
| Drivers’ average income | $67,999 |
A little more than half of the driving in Northumberland County, Pennsylvania happens on local roads: 67% of all vehicle-miles. On the average non-highway road, that comes to 3,417 vehicles per day.
Spread over 393 miles and 6,336 segments, 86% of the road network, local roads carry a lighter load per mile: 1,187,027 vehicle-miles traveled per day (≈433 million per year). About 1 in 15 vehicles on non-highway roads is a truck (6.5%).
Compared to highways, non-highway routes see 68% fewer trucks by share.
The non-highway congestion ratio of 11.7% is 26% lower than the state level, suggesting more efficient local mobility than the state average.
Northumberland's average driver income is lower than 58% of counties in Pennsylvania. The driver population here skews older than 55% of counties in Pennsylvania.
Northumberland County's biggest difference from the Pennsylvania average is its average daily traffic per road, 32% below it. Its highway truck share, by contrast, is 31% above.
| Metric | Northumberland County | Pennsylvania average | Difference |
|---|---|---|---|
| Traffic | 3,797 | 5,617 | -32.4% |
| Truck % (Total Traffic) | 11.2% | 10.6% | +5.2% |
| Truck % (Highway) | 20.6% | 15.8% | +30.8% |
| Avg. Travel Time | 33.8 min | 34.6 min | -2.3% |
Northumberland County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the busiest roads of the five. The same kind of road, simply more of it: traffic per road matches the areas around it while the network itself is larger.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Northumberland County | 3,797 | 11.2% | 1,772,967 | 33.8 min | 12.3% |
| Montour County, Pennsylvania | 3,700 | 18.5% | 648,032 | 35.0 min | 16.8% |
| Columbia County, Pennsylvania | 3,390 | 15.4% | 1,553,878 | 33.0 min | 13.2% |
| Union County, Pennsylvania | 3,757 | 17.0% | 1,084,777 | 34.4 min | 11.5% |
| Snyder County, Pennsylvania | 3,343 | 9.7% | 835,790 | 32.2 min | 11.4% |
| Pennsylvania average | 5,617 | 10.6% | N/A | 34.6 min | 16.5% |
On all 7 measures below, Northumberland County lands in the middle of the Pennsylvania field rather than at either end.
| Measure | Northumberland County | Pennsylvania rank |
|---|---|---|
| Traffic volume (AADT) | 3,797 | #29 of 67 |
| Highway vehicle-miles per day | 585,940 | #45 of 64 |
| Truck share on highways | 20.6% | #23 of 64 |
| Highway trucks per day | 2,715 | #33 of 64 |
| Average travel time | 33.8 min | #28 of 67 |
| Average driver income | $68,411 | #39 of 67 |
| Average driver age | 50.8 yrs | #31 of 67 |
On their busiest stretches, the three busiest roads in Northumberland County carry 27,268 vehicles a day on average, 7.2 times the typical road in the county (3,797).
Susquehanna Trail leads with 34,903 vehicles a day, 2,607 of them trucks (7.5%). I 80 carries the most trucks, 9,964 a day (37.3% of its traffic), although it ranks #2 for all traffic.
Trucks make up 37.3% of traffic on I 80, against 11.2% across all roads in the county.
I 80 carries longer journeys than most roads here, with a median trip of 57.9 minutes against 33.8 county-wide.
Travel on Susquehanna Trail's busiest stretch runs 48% over free-flow time, against 12% across the county, so expect slower peak hours.
A main artery: I 80's busiest stretch carries 7.0 times the county average; trucks are 37.3% of it, above the county-wide 11.2%.
PA 61 / PA 147 is one of the more congested roads here: trips take 45% longer than at free-flow speed, against 12% county-wide.
At 4.3 times the county average, US 15 draws drivers from neighborhoods averaging $76,346 in household income.
The busiest stretch of Danville-Riverside Bridge Road carries 4.0 times the county average; trucks are 6.0% of it, below the county-wide 11.2%.
Drivers on I 180 are on long journeys, a median 45.4 minutes against 33.8 county-wide: a through route more than a local street.
On its busiest stretch, PA 147 carries 3.2 times the county average; trucks are 14.0% of it, above the county-wide 11.2%.
The average monitored road in Northumberland carries 3,797 vehicles per day, 32% less than the Pennsylvania average of 5,617.
Northumberland's highway truck share of 20.6% is higher than 65% of counties in Pennsylvania.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–6:00 PM - about 68% above the daily average.
Drivers on Northumberland roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $68,411, 23% below the Pennsylvania average.
Trucks make up about 11.2% of all traffic in Northumberland County, Pennsylvania, rising to 20.6% on highways, where long-haul freight concentrates.
Susquehanna Trail carries the most, 34,903 vehicles per day on its busiest stretch, followed by I 80 (26,738), PA 61 / PA 147 (20,164), US 15 (16,497), Danville-Riverside Bridge Road (15,046). Figures are AADT, both directions combined.
I 80, with about 9,964 trucks per day on its busiest stretch, 37.3% of its 26,738 vehicles.
About 34,903 vehicles per day in both directions on its busiest stretch, including 2,607 trucks (7.5%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

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Historical traffic pattern databases
The same traffic breakdown for the areas closest to Northumberland County, Pennsylvania.
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