
Total Traffic Volume & Performance in Sumter County, Alabama
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,009 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 21.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 36.2 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. | 7.8% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 42.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $43,066 |
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The average monitored road in Sumter County, Alabama carries 2,009 vehicles per day. Across its 328 miles of monitored roads, that adds up to 1,011,368 vehicle-miles traveled per day (≈369 million per year). Freight weighs heavily here: trucks are 21.3% of traffic, against 10.6% across Alabama.
Quieter roads than 91% of counties in Alabama
Sumter's average daily traffic volume is 66% lower than the state average - 2,009 vehicles per day against 5,932 - suggesting less traffic load per 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. 91% of counties in Alabama see more traffic than Sumter's 2,009 vehicles per day.
The average trip takes 36.2 minutes, 14% higher than the state level. On travel time, Sumter runs longer than 88% of counties in Alabama.
At 50% lower than the state level, the 7.8% congestion ratio signals smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Sumter County, Alabama
| Traffic | vehicles per day4,200 |
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| Trucks | 25.0% |
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| Average travel time | 52.4 min |
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| Congestion ratio | 6.9% |
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| Drivers’ average age | 41.7 yrs |
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| Drivers’ average income | $47,422 |
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Most travel in Sumter County, Alabama happens on highways, 75% of all vehicle-miles. The average highway carries 4,200 vehicles per day, 165% more than the average non-highway road in the same area, which carries 1,585 vehicles per day.
Highways make up 32% of the monitored road miles (104 miles, 271 segments), so they carry more than their share: 761,007 vehicle-miles traveled per day (≈278 million per year).
By highway travel volume, Sumter outranks 51% of counties in Alabama.
Higher highway truck share than 97% of counties in Alabama
At 25.0%, highway truck share is 69% higher than the state average. That marks Sumter as a major freight corridor, where highway access is what logistics operators compete on.
By truck concentration, highways here outrank 97% of counties in Alabama. 61% of counties in Alabama see fewer highway trucks per day than Sumter's roughly 1,049.

Non-highway Traffic in Sumter County, Alabama
| Traffic | vehicles per day1,585 |
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| Trucks | 10.2% |
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| Average travel time | 33.0 min |
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| Congestion ratio | 8.0% |
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| Drivers’ average age | 42.6 yrs |
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| Drivers’ average income | $39,855 |
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At 25% of vehicle-miles, local roads carry a smaller share of the traffic in Sumter County, Alabama than highways. The average non-highway road carries 1,585 vehicles per day.
Spread over 225 miles and 1,400 segments, 68% of the road network, local roads carry a lighter load per mile: 250,361 vehicle-miles traveled per day (≈91.4 million per year). Trucks make up 10.2% of non-highway traffic, about 1 in 10 vehicles.
Drivers from lower-income areas than 95% of counties in Alabama
Non-highway roads carry a truck concentration that's 59% lower than the highway network.
At 46% lower than the state level, the non-highway congestion ratio of 8.0% signals easier movement on local roads.
Trip origins here have lower average income than 95% of counties in Alabama. Sumter's median driver age is lower than 95% of counties in Alabama.