
Total Traffic Volume & Performance in Lafayette 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. | 7.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.6 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. | 19.1% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 40.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $71,401 |
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The average monitored road in Lafayette County, Mississippi carries 5,660 vehicles per day. Across its 295 miles of monitored roads, that adds up to 1,375,495 vehicle-miles traveled per day (≈502 million per year). About 1 in 14 vehicles is a truck, fewer than the 1 in 9 across Mississippi.
Busier roads than 86% of counties in Mississippi
Lafayette's average daily traffic volume is 6% higher than the state average - 5,660 vehicles per day against 5,319. Across the whole network, that travel is about 1.4% of Mississippi's statewide total. By volume, Lafayette's 5,660 vehicles per day outpaces 86% of counties in Mississippi.
Journey times run 9% higher than the state level, at 33.6 minutes on average. Its average travel time of 33.6 minutes is longer than 75% of counties in Mississippi.
The congestion ratio of 19.1% is 26% higher, pointing to more pronounced congestion than the state level - a factor for delivery windows and signal timing.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Lafayette County, Mississippi
| Traffic | vehicles per day9,130 |
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| Trucks | 9.3% |
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| Average travel time | 35.3 min |
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| Congestion ratio | 23.8% |
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| Drivers’ average age | 41.6 yrs |
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| Drivers’ average income | $71,061 |
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A little more than half of the driving in Lafayette County, Mississippi happens on highways: 58% of all vehicle-miles. The average highway carries 9,130 vehicles per day, 80% more than the average non-highway road in the same area, which carries 5,082 vehicles per day.
With 30% of the road miles (89 miles in 861 segments), highways punch above their length, carrying 801,445 vehicle-miles traveled per day (≈293 million per year).
75% of counties in Mississippi move less traffic on their highways.
Lower highway truck share than 99% of counties in Mississippi
The concentration of trucks on highways (9.3%) is 41% lower than the state average for similar road classifications. Highways here carry mainly commuter and local trips, with little through freight.
By truck concentration, highways here trail 99% of counties in Mississippi. 52% of counties in Mississippi see more highway trucks per day than Lafayette's roughly 849.

Non-highway Traffic in Lafayette County, Mississippi
| Traffic | vehicles per day5,082 |
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| Trucks | 4.5% |
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| Average travel time | 33.3 min |
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| Congestion ratio | 18.3% |
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| Drivers’ average age | 39.0 yrs |
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| Drivers’ average income | $71,802 |
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Local roads carry a significant share of travel in Lafayette County, Mississippi: 42% of all vehicle-miles. On the average non-highway road, that comes to 5,082 vehicles per day.
Local roads make up 70% of the monitored road miles (206 miles in 5,169 segments) but carry less than their share of travel: 574,050 vehicle-miles traveled per day (≈210 million per year). The truck share on non-highway roads is 4.5%.
Younger drivers than 96% of counties in Mississippi
Non-highway roads carry a truck concentration that's 51% lower than the highway network.
The non-highway congestion ratio of 18.3% is 22% higher than the state level, suggesting slower local mobility than the state average.
94% of counties in Mississippi see lower average driver income among trip origins than Lafayette. 96% of counties in Mississippi have an older driver population than Lafayette.