This page delivers traffic analytics for Mercer County, West Virginia. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Mercer County, West Virginia among 337 road miles divided in 3,382 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 526 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.
7,690
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
13.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.2 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.
22.3%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$52,965
Our data indicates an estimated average traffic volume of 7,690 vehicles per day in Mercer County, West Virginia that results in 3,165,215 vehicle-miles traveled per day (≈1.2 billion per year). The traffic stream is comprised of an average of 1 truck for every 7 vehicles. Typical time spent behind the wheel per trip is 34.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the West Virginia state averages: Mercer's average daily traffic volume is 4% higher than the state average - 7,690 vehicles per day against 7,367 - suggesting more traffic load per road, a critical factor for logistics and site planning. In total volume terms, its road network carries 3,165,215 vehicle-miles traveled per day (≈1.2 billion per year), about 4.3% of West Virginia's statewide total. The average trip takes 34.2 minutes, 11% higher than the state level. At 4% higher than the state level, the 22.3% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. 81% of counties in West Virginia see less traffic than Mercer's 7,690 vehicles per day. On travel time, Mercer runs longer than 89% of counties in West Virginia.
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.
16,646
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
17.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
43.2 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.
39.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$55,524
A significant volume of traffic in Mercer County, West Virginia utilizes the highway network. The average highway carries 16,646 vehicles per day, 141% more than the average non-highway road in the same area, which carries 6,910 vehicles per day. That average covers 114 highway road miles divided in 271 segments (average segment length 2,219 ft), together carrying 2,146,821 vehicle-miles traveled per day (≈784 million per year). No more than 4 other counties in West Virginia move more traffic on their highways. Trucks constitute 17.4% of highway traffic.
Analytical insight
The concentration of trucks on highways (17.4%) is 15% higher than the state average for similar road classifications. This indicates Mercer serves as a significant freight corridor. For logistics operators, this validates the importance of highway access. By truck concentration, highways here outrank 80% of counties in West Virginia. By raw truck volume, Mercer carries more highway trucks than 91% of counties in West Virginia.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
6,910
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.5 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.
20.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$50,741
The non-highway road network in Mercer County, West Virginia supports a substantial volume of traffic. The average non-highway road carries 6,910 vehicles per day, 58% less than the average highway in the same area, which carries 16,646 vehicles per day. That average covers 223 non-highway road miles divided in 3,111 segments (average segment length 379 ft), together carrying 1,018,394 vehicle-miles traveled per day (≈372 million per year). Trucks constitute 6.0% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 65% lower than on highways. At 20.8%, the non-highway congestion ratio matches the state level closely. 89% of counties in West Virginia see shorter overall travel times than Mercer. Mercer's average driver income exceeds 24% of counties in West Virginia. 43% of counties in West Virginia have a younger driver population than Mercer.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 12:00 PM–7:00 PM, with volumes reaching approximately 69% higher than the daily average.
Weekend traffic:
Weekend volumes run about 21% below weekday levels.
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +4% versus the annual average.
Lowest month:
January is the quietest month, with volumes -11% versus the annual average.
Analytical insight
In Mercer County, West Virginia, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +4% in high season.
Traffic Flow Profile Comparison
Metric
Mercer
West Virginia
Average
Difference
Traffic
7,690
7,367
+4.4%
Truck % (Total Traffic)
13.7%
11.0%
+24.5%
Truck % (Highway)
17.4%
15.1%
+15.3%
Avg. Travel Time
34.2 min
30.8 min
+11.3%
Frequently Asked Questions
The average daily traffic volume is calculated at 7,690 vehicles per day, providing a baseline for daily operations and site assessment.
Mercer's highway truck share of 17.4% is higher than 80% of counties in West Virginia.
Approximately 28% of highway traffic and 7% of non-highway traffic consists of vehicles whose trip originates outside Mercer County, West Virginia. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 12:00 PM and 7:00 PM in the evening - about 69% above the daily average.
Traffic volumes are typically 4% higher during August–October. Volumes drop to their lowest levels in January, averaging 6,842 vehicles per day - a 11% decrease from the annual average.
The average travel time for drivers is 34.2 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 13.7% of the total traffic mix across all road types, with a significantly higher concentration of 17.4% on highways.
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)
