
Total Traffic Volume & Performance in Copiah County, Mississippi
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,080 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 16.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.1 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. | 11.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $55,329 |
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Our data shows 3,080 vehicles per day on the average road in Copiah County, Mississippi, and 1,466,902 vehicle-miles traveled per day (≈535 million per year) across its 278 miles of monitored roads. At 16.1%, the truck share runs above the 11.1% across Mississippi: about 1 in 6 vehicles.
Traffic 42% below the Mississippi average
Copiah's average daily traffic volume is 42% lower than the state average - 3,080 vehicles per day against 5,319 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Copiah accounts for about 1.5% of Mississippi's statewide total of vehicle-miles. By volume, Copiah's 3,080 vehicles per day trails 54% of counties in Mississippi.
At 32.1 minutes, the average travel time matches the state level closely. 59% of counties in Mississippi have a shorter average travel time than Copiah's 32.1 minutes.
At 24% lower than the state level, the 11.6% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Copiah County, Mississippi
| Traffic | vehicles per day18,019 |
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| Trucks | 19.4% |
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| Average travel time | 48.9 min |
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| Congestion ratio | 41.9% |
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| Drivers’ average age | 46.3 yrs |
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| Drivers’ average income | $57,540 |
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Most travel in Copiah County, Mississippi happens on highways, 70% of all vehicle-miles. The average highway carries 18,019 vehicles per day, 622% more than the average non-highway road in the same area, which carries 2,497 vehicles per day.
Yet highways are only 20% of the road network, 55 miles in 67 segments, so each mile of them is 3.5 times as busy as the average road mile.
That is more highway travel volume than 84% of counties in Mississippi.
More highway trucks than 97% of counties in Mississippi
Highway truck concentration here runs 22% higher than the state average, at 19.4%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Copiah's highway truck share (19.4%) is higher than 84% of counties in Mississippi. By raw truck volume, Copiah carries more highway trucks than 97% of counties in Mississippi.

Non-highway Traffic in Copiah County, Mississippi
| Traffic | vehicles per day2,497 |
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| Trucks | 8.4% |
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| Average travel time | 31.4 min |
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| Congestion ratio | 10.4% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $52,316 |
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At 30% of vehicle-miles, local roads carry a smaller share of the traffic in Copiah County, Mississippi than highways. The average non-highway road carries 2,497 vehicles per day.
Spread over 223 miles and 1,717 segments, 80% of the road network, local roads carry a lighter load per mile: 438,006 vehicle-miles traveled per day (≈160 million per year). The truck share on non-highway roads is 8.4%.
Local congestion 30% below the Mississippi average
Compared to highways, non-highway routes see 56% fewer trucks by share.
The non-highway congestion ratio of 10.4% is 30% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have higher average income than 52% of counties in Mississippi. The driver population here skews older than 62% of counties in Mississippi.