
Total Traffic Volume & Performance in Montgomery County, Pennsylvania
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day9,524 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.4 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. | 24.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $126,565 |
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The average monitored road in Montgomery County, Pennsylvania carries 9,524 vehicles per day. Across its 1,268 miles of monitored roads, that adds up to 14,288,064 vehicle-miles traveled per day (≈5.2 billion per year). Trucks are a smaller part of the mix than across Pennsylvania: 7.3% against 10.6%.
Busier roads than 98% of counties in Pennsylvania
Montgomery sees 70% higher average daily traffic volume than the state average (9,524 vehicles per day against 5,617), suggesting more demand on each road - heavy exposure for roadside retail, and tight road space for deliveries. In total volume terms, its road network carries about 6.5% of Pennsylvania's statewide total of vehicle-miles. 98% of counties in Pennsylvania see less traffic than Montgomery's 9,524 vehicles per day.
The average trip takes 35.4 minutes, on par with the state level. On travel time, Montgomery runs longer than 74% of counties in Pennsylvania.
At 49% higher than the state level, the 24.6% congestion ratio signals more pronounced congestion - expect slower peak-hour deliveries and less predictable arrival times.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Montgomery County, Pennsylvania
| Traffic | vehicles per day27,015 |
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| Trucks | 10.2% |
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| Average travel time | 43.5 min |
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| Congestion ratio | 45.5% |
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| Drivers’ average age | 47.7 yrs |
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| Drivers’ average income | $124,871 |
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A significant share of driving in Montgomery County, Pennsylvania, 45% of vehicle-miles, happens on highways. The average highway carries 27,015 vehicles per day, 213% more than the average non-highway road in the same area, which carries 8,622 vehicles per day.
Highways make up 19% of the monitored road miles (237 miles, 2,208 segments), so they carry more than their share: 6,409,921 vehicle-miles traveled per day (≈2.3 billion per year).
By highway travel volume, that ranks Montgomery in the top 3 counties in Pennsylvania.
Lower highway truck share than 89% of counties in Pennsylvania
At 10.2%, highway truck share is 35% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Montgomery's highway truck share (10.2%) is lower than 89% of counties in Pennsylvania. 84% of counties in Pennsylvania see fewer highway trucks per day than Montgomery's roughly 2,747.

Non-highway Traffic in Montgomery County, Pennsylvania
| Traffic | vehicles per day8,622 |
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| Trucks | 5.0% |
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| Average travel time | 34.9 min |
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| Congestion ratio | 23.5% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $127,319 |
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A little more than half of the driving in Montgomery County, Pennsylvania happens on local roads: 55% of all vehicle-miles. On the average non-highway road, that comes to 8,622 vehicles per day.
Local roads make up 81% of the monitored road miles (1,031 miles in 42,841 segments) but carry less than their share of travel: 7,878,142 vehicle-miles traveled per day (≈2.9 billion per year). Trucks make up 5.0% of non-highway traffic, about 1 in 20 vehicles.
Drivers from higher-income areas than 98% of counties in Pennsylvania
The concentration of trucks on non-highway roads is 51% lower than on highways.
The non-highway congestion ratio of 23.5% is 49% higher than the state level, suggesting slower local mobility than the state average.
Trip origins here have higher average income than 98% of counties in Pennsylvania. The driver population here skews younger than 84% of counties in Pennsylvania.