
Total Traffic Volume & Performance in Liberty County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,104 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.6 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. | 12.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $76,647 |
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Our data shows 5,104 vehicles per day on the average road in Liberty County, Texas, and 2,639,277 vehicle-miles traveled per day (≈963 million per year) across its 569 miles of monitored roads. About 1 in 10 vehicles is a truck, in line with Texas (9.8%).
Busier roads than 79% of counties in Texas
At 5,104 vehicles per day, the average monitored road in Liberty carries 26% less traffic than the state average of 6,895, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 0.4% of Texas's statewide total. Liberty carries more traffic than 79% of counties in Texas.
The average trip takes 35.6 minutes, 9% higher than the state level. 57% of counties in Texas have a shorter average travel time than Liberty's 35.6 minutes.
The congestion ratio of 12.3% is 25% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Liberty County, Texas
| Traffic | vehicles per day12,524 |
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| Trucks | 13.9% |
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| Average travel time | 44.8 min |
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| Congestion ratio | 23.3% |
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| Drivers’ average age | 43.9 yrs |
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| Drivers’ average income | $75,841 |
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A significant share of driving in Liberty County, Texas, 33% of vehicle-miles, happens on highways. The average highway carries 12,524 vehicles per day, 174% more than the average non-highway road in the same area, which carries 4,573 vehicles per day.
Highways make up 16% of the monitored road miles (90 miles, 625 segments), so they carry more than their share: 865,030 vehicle-miles traveled per day (≈316 million per year).
65% of counties in Texas move less traffic on their highways.
A typical mix of freight and passenger traffic
The concentration of trucks on highways (13.9%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Texas: neither freight- nor commuter-dominated.
Liberty's highway truck share (13.9%) is lower than 60% of counties in Texas. 53% of counties in Texas see fewer highway trucks per day than Liberty's roughly 1,740.

Non-highway Traffic in Liberty County, Texas
| Traffic | vehicles per day4,573 |
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| Trucks | 8.3% |
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| Average travel time | 34.9 min |
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| Congestion ratio | 11.5% |
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| Drivers’ average age | 43.3 yrs |
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| Drivers’ average income | $76,933 |
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Local roads carry more than half of all travel in Liberty County, Texas (67% of vehicle-miles). A typical local road sees 4,573 vehicles per day.
Spread over 479 miles and 8,738 segments, 84% of the road network, local roads carry a lighter load per mile: 1,774,247 vehicle-miles traveled per day (≈648 million per year). Trucks make up 8.3% of non-highway traffic, about 1 in 12 vehicles.
Drivers from higher-income areas than 72% of counties in Texas
Compared to highways, non-highway routes see 40% fewer trucks by share.
Non-highway congestion (11.5%) runs 28% lower than the state average, pointing to smoother local traffic flow.
Liberty's average driver income is higher than 72% of counties in Texas. Liberty's median driver age is lower than 67% of counties in Texas.