
Total Traffic Volume & Performance in Marion County, Alabama
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,355 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 17.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.3 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. | 6.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $52,898 |
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Our data shows 2,355 vehicles per day on the average road in Marion County, Alabama, and 1,052,610 vehicle-miles traveled per day (≈384 million per year) across its 465 miles of monitored roads. Freight weighs heavily here: trucks are 17.2% of traffic, against 10.6% across Alabama.
Shorter trips than 89% of counties in Alabama
At 2,355 vehicles per day, the average monitored road in Marion carries 60% less traffic than the state average of 5,932, 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 about 0.7% of Alabama's statewide total. By volume, Marion's 2,355 vehicles per day trails 79% of counties in Alabama.
The average trip takes 30.3 minutes, on par with the state level. Its average travel time of 30.3 minutes is shorter than 89% of counties in Alabama.
The congestion ratio of 6.9% is 55% 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, Alabama
| Traffic | vehicles per day5,896 |
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| Trucks | 22.5% |
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| Average travel time | 32.3 min |
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| Congestion ratio | 10.7% |
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| Drivers’ average age | 50.4 yrs |
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| Drivers’ average income | $53,416 |
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Highways carry more than half of all travel in Marion County, Alabama (61% of vehicle-miles). The average highway carries 5,896 vehicles per day, 271% more than the average non-highway road in the same area, which carries 1,590 vehicles per day.
Highways make up 25% of the monitored road miles (117 miles, 754 segments), so they carry more than their share: 643,321 vehicle-miles traveled per day (≈235 million per year).
Higher highway truck share than 93% of counties in Alabama
The concentration of trucks on highways (22.5%) is 52% higher than the state average for similar road classifications. That marks Marion as a major freight corridor, where highway access is what logistics operators compete on.
93% of counties in Alabama see a lower highway truck share than Marion's 22.5%. Marion's highway truck count is lower than 51% of counties in Alabama, at roughly 1,325 trucks per day.

Non-highway Traffic in Marion County, Alabama
| Traffic | vehicles per day1,590 |
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| Trucks | 9.1% |
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| Average travel time | 29.8 min |
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| Congestion ratio | 6.1% |
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| Drivers’ average age | 50.6 yrs |
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| Drivers’ average income | $52,470 |
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A significant share of driving in Marion County, Alabama, 39% of vehicle-miles, happens on local roads. The average non-highway road carries 1,590 vehicles per day.
Spread over 348 miles and 3,487 segments, 75% of the road network, local roads carry a lighter load per mile: 409,289 vehicle-miles traveled per day (≈149 million per year). About 1 in 11 vehicles on non-highway roads is a truck (9.1%).
Older drivers than 85% of counties in Alabama
The concentration of trucks on non-highway roads is 60% lower than on highways.
Non-highway congestion (6.1%) runs 58% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have lower average income than 82% of counties in Alabama. 85% of counties in Alabama have a younger driver population than Marion.