This page delivers traffic analytics for Dauphin County, Pennsylvania. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Dauphin County, Pennsylvania among 824 road miles divided in 19,018 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 229 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.
5,697
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
12.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.4 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.
16.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$88,238
Our data indicates an estimated average traffic volume of 5,697 vehicles per day in Dauphin County, Pennsylvania that results in 6,096,762 vehicle-miles traveled per day (≈2.2 billion per year). The traffic stream is comprised of an average of 1 truck for every 8 vehicles. Typical time spent behind the wheel per trip is 33.4 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Pennsylvania state averages: At 5,697 vehicles per day, the average monitored road in Dauphin carries 1% more traffic than the state average of 5,617 vehicles per day - a critical factor for logistics and site planning. Network-wide, Dauphin accounts for about 2.8% of Pennsylvania's statewide total, at 6,096,762 vehicle-miles traveled per day (≈2.2 billion per year). Journey times run 4% lower than the state level, at 33.4 minutes on average. At 2% lower than the state level, the 16.2% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. Dauphin carries more traffic than 82% of counties in Pennsylvania. Its average travel time of 33.4 minutes is longer than 47% of counties in Pennsylvania.
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.
18,122
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
18.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
45.5 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.
36.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$90,027
A significant volume of traffic in Dauphin County, Pennsylvania utilizes the highway network. The average highway carries 18,122 vehicles per day, 268% more than the average non-highway road in the same area, which carries 4,926 vehicles per day. That average covers 177 highway road miles divided in 1,111 segments (average segment length 839 ft), together carrying 3,380,252 vehicle-miles traveled per day (≈1.2 billion per year). 84% of counties in Pennsylvania move less traffic on their highways. Trucks constitute 18.1% of highway traffic.
Analytical insight
Highway truck concentration here runs 15% higher than the state average, at 18.1% - positioning Dauphin as a significant freight corridor. For logistics operators, this validates the importance of highway access. Dauphin's highway truck share (18.1%) is higher than 54% of counties in Pennsylvania. 92% of counties in Pennsylvania see fewer highway trucks per day than Dauphin's roughly 3,277.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
4,926
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.6 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.
14.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$87,142
The non-highway road network in Dauphin County, Pennsylvania supports a substantial volume of traffic. The average non-highway road carries 4,926 vehicles per day, 73% less than the average highway in the same area, which carries 18,122 vehicles per day. That average covers 647 non-highway road miles divided in 17,907 segments (average segment length 191 ft), together carrying 2,716,510 vehicle-miles traveled per day (≈992 million per year). Trucks constitute 5.4% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 70% lower than the highway network. The non-highway congestion ratio of 14.9% is 5% lower than the state level, suggesting more efficient local mobility than the state average. Dauphin's overall average travel time exceeds 47% of counties in Pennsylvania. Trip origins here have higher average income than 80% of counties in Pennsylvania. 9% of counties in Pennsylvania have a younger driver population than Dauphin.
Time-of-Day & Seasonal Patterns
Analytical insight
In Dauphin County, Pennsylvania, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Dauphin
Pennsylvania
Average
Difference
Traffic
5,697
5,617
+1.4%
Truck % (Total Traffic)
12.4%
10.6%
+16.7%
Truck % (Highway)
18.1%
15.8%
+14.8%
Avg. Travel Time
33.4 min
34.6 min
-3.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 5,697 vehicles per day, providing a baseline for daily operations and site assessment.
Dauphin carries more highway trucks by raw volume than 92% of counties in Pennsylvania, at roughly 3,277 per day.
Trucks account for approximately 12.4% of the total traffic mix across all road types, with a significantly higher concentration of 18.1% on highways.
Approximately 39% of highway traffic and 6% of non-highway traffic consists of vehicles whose trip originates outside Dauphin 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.
The average travel time for drivers is 33.4 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Dauphin roads have a median age of 48 years, and the median household income of the neighborhoods trips originate from averages $88,238 - useful context for retail siting and customer profiling.
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)
