
Total Traffic Volume & Performance in Washington County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,930 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.9% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.2 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. | 12.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $80,228 |
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A typical monitored road in Washington County, Texas sees 3,930 vehicles per day, while its 351 miles of monitored roads together handle 1,535,375 vehicle-miles traveled per day (≈560 million per year). About 1 in 10 vehicles is a truck, in line with Texas (9.8%).
Traffic 43% below the Texas average
Washington sees 43% lower average daily traffic volume than the state average (3,930 vehicles per day against 6,895), suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. In total volume terms, its road network carries about 0.2% of Texas's statewide total of vehicle-miles. By volume, Washington's 3,930 vehicles per day outpaces 68% of counties in Texas.
At 34.2 minutes, the average travel time matches the state level closely. 55% of counties in Texas have a longer average travel time than Washington's 34.2 minutes.
Congestion runs 25% lower than the state level, at a ratio of 12.2%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Washington County, Texas
| Traffic | vehicles per day13,800 |
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| Trucks | 12.9% |
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| Average travel time | 56.9 min |
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| Congestion ratio | 26.9% |
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| Drivers’ average age | 45.6 yrs |
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| Drivers’ average income | $83,151 |
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Highways carry about half of all travel in Washington County, Texas, 50% of vehicle-miles. The average highway carries 13,800 vehicles per day, 345% more than the average non-highway road in the same area, which carries 3,104 vehicles per day.
With 18% of the road miles (62 miles in 442 segments), highways punch above their length, carrying 768,857 vehicle-miles traveled per day (≈281 million per year).
60% of counties in Texas move less traffic on their highways.
Lower highway truck share than 68% of counties in Texas
At 12.9%, highway truck share is 6% lower than the state average. The highway traffic mix is typical for Texas: neither freight- nor commuter-dominated.
Washington's highway truck share (12.9%) is lower than 68% of counties in Texas. By raw truck volume, Washington carries more highway trucks than 59% of counties in Texas.

Non-highway Traffic in Washington County, Texas
| Traffic | vehicles per day3,104 |
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| Trucks | 6.8% |
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| Average travel time | 32.3 min |
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| Congestion ratio | 11.0% |
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| Drivers’ average age | 50.1 yrs |
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| Drivers’ average income | $78,856 |
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Local roads carry about half of all travel in Washington County, Texas, 50% of vehicle-miles. On the average non-highway road, that comes to 3,104 vehicles per day.
Spread over 289 miles and 5,281 segments, 82% of the road network, local roads carry a lighter load per mile: 766,519 vehicle-miles traveled per day (≈280 million per year). About 1 in 15 vehicles on non-highway roads is a truck (6.8%).
Drivers from higher-income areas than 80% of counties in Texas
The concentration of trucks on non-highway roads is 47% lower than on highways.
The non-highway congestion ratio of 11.0% is 31% lower than the state level, suggesting more efficient local mobility than the state average.
80% of counties in Texas see lower average driver income among trip origins than Washington. Washington's median driver age is higher than 67% of counties in Texas.