
Total Traffic Volume & Performance in Jefferson County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,228 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 12.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.8 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. | 14.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $82,243 |
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Our data shows 7,228 vehicles per day on the average road in Jefferson County, Texas, and 6,698,700 vehicle-miles traveled per day (≈2.4 billion per year) across its 803 miles of monitored roads. Trucks are 12.7% of traffic, more than the 9.8% across Texas.
Busier roads than 91% of counties in Texas
The average road in Jefferson carries 7,228 vehicles per day, essentially matching the state average of 6,895. Network-wide, Jefferson accounts for about 0.9% of Texas's statewide total of vehicle-miles. Jefferson carries more traffic than 91% of counties in Texas.
Journey times run 7% higher than the state level, at 34.8 minutes on average. On travel time, Jefferson runs longer than 51% of counties in Texas.
Congestion is somewhat lower than the state level, at a ratio of 14.2% (13% lower) - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jefferson County, Texas
| Traffic | vehicles per day18,016 |
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| Trucks | 17.7% |
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| Average travel time | 40.1 min |
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| Congestion ratio | 27.9% |
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| Drivers’ average age | 45.5 yrs |
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| Drivers’ average income | $82,288 |
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Highways carry more than half of all travel in Jefferson County, Texas (57% of vehicle-miles). The average highway carries 18,016 vehicles per day, 199% more than the average non-highway road in the same area, which carries 6,021 vehicles per day.
With 27% of the road miles (214 miles in 1,218 segments), highways punch above their length, carrying 3,798,516 vehicle-miles traveled per day (≈1.4 billion per year).
By highway travel volume, Jefferson outranks 93% of counties in Texas.
More highway trucks than 87% of counties in Texas
At 17.7%, highway truck share is 29% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 61% of counties in Texas. By raw truck volume, Jefferson carries more highway trucks than 87% of counties in Texas.

Non-highway Traffic in Jefferson County, Texas
| Traffic | vehicles per day6,021 |
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| Trucks | 6.3% |
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| Average travel time | 34.2 min |
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| Congestion ratio | 12.7% |
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| Drivers’ average age | 45.5 yrs |
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| Drivers’ average income | $82,198 |
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Local roads carry a significant share of travel in Jefferson County, Texas: 43% of all vehicle-miles. On the average non-highway road, that comes to 6,021 vehicles per day.
Spread over 589 miles and 10,891 segments, 73% of the road network, local roads carry a lighter load per mile: 2,900,184 vehicle-miles traveled per day (≈1.1 billion per year). The truck share on non-highway roads is 6.3%.
Drivers from higher-income areas than 83% of counties in Texas
The concentration of trucks on non-highway roads is 65% lower than on highways.
Non-highway congestion (12.7%) runs 21% lower than the state average, pointing to smoother local traffic flow.
Jefferson's average driver income is higher than 83% of counties in Texas. Jefferson's median driver age is lower than 52% of counties in Texas.