This page delivers traffic analytics for Lehigh County, Pennsylvania. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Lehigh County, Pennsylvania among 754 road miles divided in 18,906 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 210 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
7,010
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.7 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
18.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$93,894
Our data indicates an estimated average traffic volume of 7,010 vehicles per day in Lehigh County, Pennsylvania that results in 6,235,569 vehicle-miles traveled per day (≈2.3 billion per year). The traffic stream is comprised of an average of 1 truck for every 10 vehicles. Typical time spent behind the wheel per trip is 33.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Pennsylvania state averages: Lehigh sees 25% higher average daily traffic volume than the state average (7,010 vehicles per day against 5,617), suggesting more demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries 6,235,569 vehicle-miles traveled per day (≈2.3 billion per year), about 2.8% of Pennsylvania's statewide total. At 33.7 minutes, the average travel time is 3% lower than the state level. Congestion runs 10% higher than the state level, at a ratio of 18.2% - more pronounced congestion - crucial for traffic control improvement and logistics planning. 94% of counties in Pennsylvania see less traffic than Lehigh's 7,010 vehicles per day. 56% of counties in Pennsylvania have a shorter average travel time than Lehigh's 33.7 minutes.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
17,094
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
40.8 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
34.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$95,379
A significant volume of traffic in Lehigh County, Pennsylvania utilizes the highway network. The average highway carries 17,094 vehicles per day, 172% more than the average non-highway road in the same area, which carries 6,296 vehicles per day. That average covers 182 highway road miles divided in 1,249 segments (average segment length 768 ft), together carrying 3,210,025 vehicle-miles traveled per day (≈1.2 billion per year). By highway travel volume, Lehigh outranks 83% of counties in Pennsylvania. Trucks constitute 14.1% of highway traffic.
Analytical insight
At 14.1%, highway truck share is 10% lower than the state average, marking Lehigh as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Lehigh's highway truck share (14.1%) is higher than 38% of counties in Pennsylvania. By raw truck volume, Lehigh carries more highway trucks than 76% of counties in Pennsylvania.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
6,296
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
17.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$92,939
The non-highway road network in Lehigh County, Pennsylvania supports a substantial volume of traffic. The average non-highway road carries 6,296 vehicles per day, 63% less than the average highway in the same area, which carries 17,094 vehicles per day. That average covers 572 non-highway road miles divided in 17,657 segments (average segment length 171 ft), together carrying 3,025,544 vehicle-miles traveled per day (≈1.1 billion per year). Trucks constitute 5.5% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 61% fewer trucks by share. At 9% higher than the state level, the non-highway congestion ratio of 17.1% signals more friction on local roads. 56% of counties in Pennsylvania see shorter overall travel times than Lehigh. 88% of counties in Pennsylvania see lower average driver income among trip origins than Lehigh. 14% of counties in Pennsylvania have a younger driver population than Lehigh.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 12:00 PM–6:00 PM, with volumes reaching approximately 65% higher than the daily average.
Weekend traffic:
Weekend volumes run about 17% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +2% versus the annual average.
Lowest month:
January is the quietest month, with volumes -7% versus the annual average.
Analytical insight
In Lehigh County, Pennsylvania, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +2% in high season.
Traffic Flow Profile Comparison
Metric
Lehigh
Pennsylvania
Average
Difference
Traffic
7,010
5,617
+24.8%
Truck % (Total Traffic)
9.9%
10.6%
-6.5%
Truck % (Highway)
14.1%
15.8%
-10.2%
Avg. Travel Time
33.7 min
34.6 min
-2.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 7,010 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Lehigh skews older than 14% of counties in Pennsylvania.
The average travel time for drivers is 33.7 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Lehigh roads have a median age of 48 years, and the median household income of the neighborhoods trips originate from averages $93,894 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 8:00 AM in the morning and between 12:00 PM and 6:00 PM in the evening - about 65% above the daily average.
Traffic volumes are typically 2% higher during August–October. Volumes drop to their lowest levels in January, averaging 6,524 vehicles per day - a 7% decrease from the annual average.
Approximately 32% of highway traffic and 12% of non-highway traffic consists of vehicles whose trip originates outside Lehigh County, Pennsylvania. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
