
Total Traffic Volume & Performance in Smith County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day8,201 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.7 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. | 16.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $80,499 |
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Our data shows 8,201 vehicles per day on the average road in Smith County, Texas, and 6,756,289 vehicle-miles traveled per day (≈2.5 billion per year) across its 907 miles of monitored roads. Trucks are 11.2% of traffic, close to the 9.8% across Texas.
Busier roads than 95% of counties in Texas
At 8,201 vehicles per day, the average monitored road in Smith carries 19% more traffic than the state average of 6,895, suggesting more demand on each road - a factor worth weighing in site selection and logistics planning. Network-wide, Smith accounts for about 0.9% of Texas's statewide total of vehicle-miles. Smith carries more traffic than 95% of counties in Texas.
Journey times run 6% higher than the state level, at 34.7 minutes on average. Its average travel time of 34.7 minutes is longer than 50% of counties in Texas.
At 16.0%, the congestion ratio matches the state level closely.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Smith County, Texas
| Traffic | vehicles per day14,612 |
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| Trucks | 16.5% |
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| Average travel time | 36.3 min |
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| Congestion ratio | 25.4% |
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| Drivers’ average age | 46.5 yrs |
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| Drivers’ average income | $78,993 |
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Travel in Smith County, Texas splits roughly evenly, with about half of it (53% of vehicle-miles) on highways. The average highway carries 14,612 vehicles per day, 114% more than the average non-highway road in the same area, which carries 6,833 vehicles per day.
With 28% of the road miles (257 miles in 2,069 segments), highways punch above their length, carrying 3,549,800 vehicle-miles traveled per day (≈1.3 billion per year).
That is more highway travel volume than 92% of counties in Texas.
More highway trucks than 74% of counties in Texas
At 16.5%, highway truck share is 20% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
55% of counties in Texas see a lower highway truck share than Smith's 16.5%. Smith's highway truck count is higher than 74% of counties in Texas, at roughly 2,417 trucks per day.

Non-highway Traffic in Smith County, Texas
| Traffic | vehicles per day6,833 |
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| Trucks | 5.3% |
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| Average travel time | 34.4 min |
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| Congestion ratio | 14.0% |
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| Drivers’ average age | 45.1 yrs |
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| Drivers’ average income | $81,665 |
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Travel in Smith County, Texas splits roughly evenly, with about half of it (47% of vehicle-miles) on local roads. The average non-highway road carries 6,833 vehicles per day.
Local roads make up 72% of the monitored road miles (650 miles in 9,693 segments) but carry less than their share of travel: 3,206,488 vehicle-miles traveled per day (≈1.2 billion per year). The truck share on non-highway roads is 5.3%.
Drivers from higher-income areas than 81% of counties in Texas
The concentration of trucks on non-highway roads is 68% lower than on highways.
Non-highway congestion (14.0%) runs slightly lower than the state level (12% lower).
Smith's average driver income is higher than 81% of counties in Texas. 52% of counties in Texas have a younger driver population than Smith.