
Total Traffic Volume & Performance in Brazoria County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,477 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.9% |
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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. | 15.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $99,257 |
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Our data shows 5,477 vehicles per day on the average road in Brazoria County, Texas, and 7,780,595 vehicle-miles traveled per day (≈2.8 billion per year) across its 1,417 miles of monitored roads. Trucks are a smaller part of the mix than across Texas: 6.9% against 9.8%.
Busier roads than 82% of counties in Texas
Brazoria sees 21% lower average daily traffic volume than the state average (5,477 vehicles per day against 6,895), suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. Across the whole network, that travel is about 1.1% of Texas's statewide total. Brazoria carries more traffic than 82% of counties in Texas.
Journey times here (32.1 minutes on average) closely track the state level. On travel time, Brazoria runs shorter than 75% of counties in Texas.
The congestion ratio of 15.2% runs slightly lower than the state level (7% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Brazoria County, Texas
| Traffic | vehicles per day19,469 |
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| Trucks | 10.2% |
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| Average travel time | 41.1 min |
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| Congestion ratio | 40.8% |
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| Drivers’ average age | 42.6 yrs |
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| Drivers’ average income | $97,540 |
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Highways carry a smaller share of travel in Brazoria County, Texas, 24% of vehicle-miles; most driving happens on local roads. The average highway carries 19,469 vehicles per day, 266% more than the average non-highway road in the same area, which carries 5,313 vehicles per day.
Yet highways are only 7% of the road network, 100 miles in 328 segments, so each mile of them is 3.4 times as busy as the average road mile.
That is more highway travel volume than 84% of counties in Texas.
Lower highway truck share than 91% of counties in Texas
At 10.2%, highway truck share is 26% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 91% of counties in Texas. By raw truck volume, Brazoria carries more highway trucks than 66% of counties in Texas.

Non-highway Traffic in Brazoria County, Texas
| Traffic | vehicles per day5,313 |
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| Trucks | 5.9% |
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| Average travel time | 31.9 min |
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| Congestion ratio | 14.9% |
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| Drivers’ average age | 43.2 yrs |
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| Drivers’ average income | $99,588 |
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Most travel in Brazoria County, Texas happens on local roads, 76% of all vehicle-miles. On the average non-highway road, that comes to 5,313 vehicles per day.
Local roads also make up about 93% of the monitored road miles: 1,318 miles in 27,958 segments, together carrying 5,945,952 vehicle-miles traveled per day (≈2.2 billion per year). About 1 in 17 vehicles on non-highway roads is a truck (5.9%).
Drivers from higher-income areas than 94% of counties in Texas
Compared to highways, non-highway routes see 42% fewer trucks by share.
Non-highway congestion (14.9%) runs slightly lower than the state level (7% lower).
Brazoria's average driver income is higher than 94% of counties in Texas. 72% of counties in Texas have an older driver population than Brazoria.