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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day9,482 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 6.2% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 35.7 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 25.2% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 47.0 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $109,651 |
The average monitored road in Delaware County, Pennsylvania carries 9,482 vehicles per day. Across its 624 miles of monitored roads, that adds up to 6,862,360 vehicle-miles traveled per day (≈2.5 billion per year). Traffic here is mostly passenger cars: only 6.2% trucks, against 10.6% across Pennsylvania.
At 9,482 vehicles per day, the average monitored road in Delaware carries 69% more traffic than the state average of 5,617, suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. Network-wide, Delaware accounts for about 3.1% of Pennsylvania's statewide total of vehicle-miles. Delaware carries more traffic than 97% of counties in Pennsylvania.
At 35.7 minutes, the average travel time matches the state level closely. Its average travel time of 35.7 minutes is longer than 79% of counties in Pennsylvania.
Congestion runs 52% higher than the state level, at a ratio of 25.2%, which means more pronounced congestion - expect markedly slower peak-hour deliveries and unreliable arrival times.
| Traffic | vehicles per day19,452 |
|---|---|
| Trucks | 7.6% |
| Average travel time | 40.3 min |
| Congestion ratio | 37.1% |
| Drivers’ average age | 47.6 yrs |
| Drivers’ average income | $120,324 |
Highways carry about half of all travel in Delaware County, Pennsylvania, 50% of vehicle-miles. The average highway carries 19,452 vehicles per day, 129% more than the average non-highway road in the same area, which carries 8,492 vehicles per day.
With 22% of the road miles (138 miles in 2,248 segments), highways punch above their length, carrying 3,419,991 vehicle-miles traveled per day (≈1.2 billion per year).
86% of counties in Pennsylvania move less traffic on their highways.
The concentration of trucks on highways (7.6%) is 52% lower than the state average for similar road classifications. Highways here carry mainly commuter and local trips, with little through freight.
At 7.6%, Delaware's highway truck concentration is the lowest in Pennsylvania. Delaware's highway truck count is higher than 51% of counties in Pennsylvania, at roughly 1,471 trucks per day.
| Traffic | vehicles per day8,492 |
|---|---|
| Trucks | 4.9% |
| Average travel time | 35.3 min |
| Congestion ratio | 24.0% |
| Drivers’ average age | 46.4 yrs |
| Drivers’ average income | $104,675 |
Local roads carry about half of all travel in Delaware County, Pennsylvania, 50% of vehicle-miles. A typical local road sees 8,492 vehicles per day.
Local roads make up 78% of the monitored road miles (486 miles in 22,646 segments) but carry less than their share of travel: 3,442,370 vehicle-miles traveled per day (≈1.3 billion per year). The truck share on non-highway roads is 4.9%.
Compared to highways, non-highway routes see 36% fewer trucks by share.
The non-highway congestion ratio of 24.0% is 53% higher than the state level, suggesting slower local mobility than the state average.
95% of counties in Pennsylvania see lower average driver income among trip origins than Delaware. Delaware's median driver age is lower than 94% of counties in Pennsylvania.
Delaware County's biggest difference from the Pennsylvania average is its average daily traffic per road, 69% above it. Its highway truck share, by contrast, is 52% below.
| Metric | Delaware County | Pennsylvania average | Difference |
|---|---|---|---|
| Traffic | 9,482 | 5,617 | +68.8% |
| Truck % (Total Traffic) | 6.2% | 10.6% | -41.6% |
| Truck % (Highway) | 7.6% | 15.8% | -52.0% |
| Avg. Travel Time | 35.7 min | 34.6 min | +3.2% |
Compared with its 4 closest neighbours, Delaware County is 34.3% more congested; it has the second busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Delaware County | 9,482 | 6.2% | 6,862,360 | 35.7 min | 25.2% |
| Philadelphia County, Pennsylvania | 11,596 | 6.7% | 11,484,880 | 37.5 min | 29.2% |
| Chester County, Pennsylvania | 5,452 | 7.9% | 9,883,324 | 33.2 min | 15.7% |
| Gloucester County, New Jersey | 6,764 | 10.5% | 5,932,900 | 32.0 min | 19.2% |
| Salem County, New Jersey | 3,362 | 14.3% | 1,847,133 | 31.9 min | 10.9% |
| Pennsylvania average | 5,617 | 10.6% | N/A | 34.6 min | 16.5% |
On average daily traffic volume, Delaware County is among the three highest county-level areas in Pennsylvania.
| Measure | Delaware County | Pennsylvania rank |
|---|---|---|
| Traffic volume (AADT) | 9,482 | #3 of 67 |
| Highway vehicle-miles per day | 3,419,991 | #10 of 64 |
| Truck share on highways | 7.6% | #64 of 64 |
| Highway trucks per day | 1,471 | #32 of 64 |
| Average travel time | 35.7 min | #15 of 67 |
| Average driver income | $109,651 | #4 of 67 |
| Average driver age | 47.0 yrs | #63 of 67 |
Delaware County ranks #3 of 67 on average daily traffic volume but #64 of 64 on truck share on highways - the two describe the same roads and are worth reading together rather than either on its own.
The three busiest roads in Delaware County average 68,991 vehicles a day, 7.3 times the county average of 9,482 across all its monitored roads.
Delaware Expressway is the busiest road, at 92,524 vehicles a day, 10,338 of them trucks (11.2%). It also carries the most trucks.
Freight stands out on Commodore Barry Bridge: trucks are 13.7% of the traffic there, against 6.2% county-wide.
Wilmington W Chester Pike draws drivers from wealthier areas: their neighborhoods average $158,941 in household income, 45% above the county's $109,651.
The truck ranking looks different from the traffic one, sharing just 2 of its 5 roads.
Delaware Expressway is one of the more congested roads here: trips take 59% longer than at free-flow speed, against 25% county-wide.
Delays build on Mid County Expressway: its congestion ratio of 73% over free-flow time is well above the county's 25%.
The busiest stretch of Wilmington W Chester Pike carries 4.1 times the county average; trucks are 4.7% of it, below the county-wide 6.2%.
On its busiest stretch, Media Bypass carries 3.7 times the county average; trucks are 4.0% of it, below the county-wide 6.2%.
Wilmington Pike peaks at 34,271 vehicles a day, 3.6 times the county average; trucks are 4.7% of it, below the county-wide 6.2%.
Commodore Barry Bridge carries 2.8 times the county average at its busiest, 3,598 of them trucks (13.7%, above the county-wide 6.2%).
Conchester Highway carries 3.0 times the county average on its busiest stretch, where the median trip lasts 40.3 minutes.
At 2.6 times the county average, US 322 draws drivers from neighborhoods averaging $108,813 in household income.
The average monitored road in Delaware carries 9,482 vehicles per day, 69% more than the Pennsylvania average of 5,617.
Yes - Delaware has the lowest highway truck share of any county in Pennsylvania, at 7.6%.
Weekday traffic has two busy windows: AM peak 7:00 AM–9:00 AM and a long afternoon plateau from 12:00 PM to 7:00 PM - about 62% above the daily average.
The average trip in Delaware takes 35.7 minutes, about the same as the Pennsylvania average, delays at signals and congestion included.
Drivers on Delaware roads have a median age of 47 years, and the median household income of the neighborhoods trips originate from averages $109,651, 23% above the Pennsylvania average.
Delaware Expressway carries the most, 92,524 vehicles per day on its busiest stretch, followed by Mid County Expressway (75,779), Wilmington W Chester Pike (38,670), Media Bypass (35,405), Wilmington Pike (34,271). Figures are AADT, both directions combined.
Delaware Expressway, with about 10,338 trucks per day on its busiest stretch, 11.2% of its 92,524 vehicles.
About 92,524 vehicles per day in both directions on its busiest stretch, including 10,338 trucks (11.2%). 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 Delaware County, Pennsylvania.
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