
Total Traffic Volume & Performance in Marion County, Texas
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,371 |
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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. | 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. | 5.1% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 52.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $53,501 |
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Our data shows 2,371 vehicles per day on the average road in Marion County, Texas, and 307,244 vehicle-miles traveled per day (≈112 million per year) across its 154 miles of monitored roads. At 12.7%, the truck share runs above the 9.8% across Texas: about 1 in 8 vehicles.
Congestion 69% below the Texas average
Marion sees 66% lower average daily traffic volume than the state average (2,371 vehicles per day against 6,895), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is less than 0.1% of Texas's statewide total. By volume, Marion's 2,371 vehicles per day trails 64% of counties in Texas.
Journey times run 9% higher than the state level, at 35.6 minutes on average. Its average travel time of 35.6 minutes is longer than 58% of counties in Texas.
The congestion ratio of 5.1% is 69% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Marion County, Texas
| Traffic | vehicles per day7,134 |
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| Trucks | 18.2% |
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| Average travel time | 47.4 min |
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| Congestion ratio | 10.9% |
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| Drivers’ average age | 51.6 yrs |
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| Drivers’ average income | $54,130 |
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Highways carry about half of all travel in Marion County, Texas, 45% of vehicle-miles. The average highway carries 7,134 vehicles per day, 363% more than the average non-highway road in the same area, which carries 1,541 vehicles per day.
With 17% of the road miles (25 miles in 208 segments), highways punch above their length, carrying 139,002 vehicle-miles traveled per day (≈50.7 million per year).
Freight-heavy highways
The concentration of trucks on highways (18.2%) is 33% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 62% of counties in Texas. Marion's highway truck count is lower than 59% of counties in Texas, at roughly 1,301 trucks per day.

Non-highway Traffic in Marion County, Texas
| Traffic | vehicles per day1,541 |
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| Trucks | 8.1% |
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| Average travel time | 33.5 min |
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| Congestion ratio | 4.1% |
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| Drivers’ average age | 53.6 yrs |
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| Drivers’ average income | $53,156 |
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Local roads carry about half of all travel in Marion County, Texas, 55% of vehicle-miles. On the average non-highway road, that comes to 1,541 vehicles per day.
Spread over 129 miles and 1,194 segments, 83% of the road network, local roads carry a lighter load per mile: 168,241 vehicle-miles traveled per day (≈61.4 million per year). The truck share on non-highway roads is 8.1%.
Drivers from lower-income areas than 93% of counties in Texas
Compared to highways, non-highway routes see 55% fewer trucks by share.
At 74% lower than the state level, the non-highway congestion ratio of 4.1% signals easier movement on local roads.
93% of counties in Texas see higher average driver income among trip origins than Marion. The driver population here skews older than 93% of counties in Texas.