
Total Traffic Volume & Performance in Lamar County, Mississippi
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,660 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.5 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. | 16.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $76,083 |
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Our data shows 5,660 vehicles per day on the average road in Lamar County, Mississippi, and 1,796,562 vehicle-miles traveled per day (≈656 million per year) across its 365 miles of monitored roads. About 1 in 11 vehicles is a truck, in line with Mississippi (11.1%).
Busier roads than 88% of counties in Mississippi
Lamar's average daily traffic volume is 6% higher than the state average - 5,660 vehicles per day against 5,319. In total volume terms, its road network carries about 1.8% of Mississippi's statewide total of vehicle-miles. Lamar carries more traffic than 88% of counties in Mississippi.
Journey times here (29.5 minutes on average) closely track the state level. Its average travel time of 29.5 minutes is shorter than 81% of counties in Mississippi.
The congestion ratio of 16.7% runs slightly higher than the state level (10% higher).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Lamar County, Mississippi
| Traffic | vehicles per day15,981 |
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| Trucks | 13.5% |
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| Average travel time | 32.9 min |
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| Congestion ratio | 25.2% |
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| Drivers’ average age | 44.0 yrs |
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| Drivers’ average income | $73,105 |
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Travel in Lamar County, Mississippi splits roughly evenly, with about half of it (49% of vehicle-miles) on highways. The average highway carries 15,981 vehicles per day, 246% more than the average non-highway road in the same area, which carries 4,620 vehicles per day.
With 22% of the road miles (80 miles in 446 segments), highways punch above their length, carrying 880,206 vehicle-miles traveled per day (≈321 million per year).
By highway travel volume, Lamar outranks 82% of counties in Mississippi.
More highway trucks than 69% of counties in Mississippi
At 13.5%, highway truck share is 15% lower than the state average. The highway traffic mix is typical for Mississippi: neither freight- nor commuter-dominated.
Lamar's highway truck share (13.5%) is lower than 68% of counties in Mississippi. 69% of counties in Mississippi see fewer highway trucks per day than Lamar's roughly 2,159.

Non-highway Traffic in Lamar County, Mississippi
| Traffic | vehicles per day4,620 |
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| Trucks | 5.6% |
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| Average travel time | 29.1 min |
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| Congestion ratio | 15.8% |
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| Drivers’ average age | 43.0 yrs |
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| Drivers’ average income | $78,439 |
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Travel in Lamar County, Mississippi splits roughly evenly, with about half of it (51% of vehicle-miles) on local roads. A typical local road sees 4,620 vehicles per day.
Local roads make up 78% of the monitored road miles (285 miles in 4,422 segments) but carry less than their share of travel: 916,356 vehicle-miles traveled per day (≈334 million per year). Trucks make up 5.6% of non-highway traffic, about 1 in 18 vehicles.
Drivers from higher-income areas than 96% of counties in Mississippi
The concentration of trucks on non-highway roads is 59% lower than on highways.
Non-highway congestion (15.8%) runs slightly higher than the state level (6% higher).
Lamar's average driver income is higher than 96% of counties in Mississippi. 90% of counties in Mississippi have an older driver population than Lamar.