
Total Traffic Volume & Performance in Clay County, West Virginia
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,944 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 14.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.8 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. | 5.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.8 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $44,331 |
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Our data shows 1,944 vehicles per day on the average road in Clay County, West Virginia, and 360,671 vehicle-miles traveled per day (≈132 million per year) across its 120 miles of monitored roads. At 14.1%, the truck share runs above the 11.0% across West Virginia: about 1 in 7 vehicles.
The quietest roads of any county in West Virginia
Clay's average daily traffic volume is 74% lower than the state average - 1,944 vehicles per day against 7,367 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Clay accounts for about 0.5% of West Virginia's statewide total of vehicle-miles. Clay stands out as having the lowest traffic volume in West Virginia - 1,944 vehicles per day.
At 29.8 minutes, the average travel time matches the state level closely. On travel time, Clay runs shorter than 59% of counties in West Virginia.
Congestion runs 76% lower than the state level, at a ratio of 5.2%, which means smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Clay County, West Virginia
| Traffic | vehicles per day7,668 |
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| Trucks | 17.8% |
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| Average travel time | 61.9 min |
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| Drivers’ average age | 52.3 yrs |
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| Drivers’ average income | $49,268 |
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Highways carry more than half of all travel in Clay County, West Virginia (57% of vehicle-miles). The average highway carries 7,668 vehicles per day, 340% more than the average non-highway road in the same area, which carries 1,743 vehicles per day.
With 19% of the road miles (23 miles in 18 segments), highways punch above their length, carrying 205,225 vehicle-miles traveled per day (≈74.9 million per year).
Higher highway truck share than 83% of counties in West Virginia
At 17.8%, highway truck share is 18% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Clay's highway truck share (17.8%) is higher than 83% of counties in West Virginia. Clay's highway truck count is higher than 52% of counties in West Virginia, at roughly 1,368 trucks per day.

Non-highway Traffic in Clay County, West Virginia
| Traffic | vehicles per day1,743 |
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| Trucks | 9.2% |
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| Average travel time | 28.7 min |
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| Congestion ratio | 5.2% |
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| Drivers’ average age | 51.2 yrs |
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| Drivers’ average income | $41,820 |
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A significant share of driving in Clay County, West Virginia, 43% of vehicle-miles, happens on local roads. The average non-highway road carries 1,743 vehicles per day.
Spread over 97 miles and 511 segments, 81% of the road network, local roads carry a lighter load per mile: 155,446 vehicle-miles traveled per day (≈56.7 million per year). The truck share on non-highway roads is 9.2%.
Drivers from lower-income areas than 93% of counties in West Virginia
Non-highway roads carry a truck concentration that's 48% lower than the highway network.
At 75% lower than the state level, the non-highway congestion ratio of 5.2% signals easier movement on local roads.
Trip origins here have lower average income than 93% of counties in West Virginia. 65% of counties in West Virginia have a younger driver population than Clay.