
Total Traffic Volume & Performance in Seminole County, Florida
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day9,476 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 5.8% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.0 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. | 23.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $95,681 |
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The average monitored road in Seminole County, Florida carries 9,476 vehicles per day. Across its 800 miles of monitored roads, that adds up to 9,961,200 vehicle-miles traveled per day (≈3.6 billion per year). About 1 in 17 vehicles is a truck, fewer than the 1 in 12 across Florida.
Busier roads than 71% of counties in Florida
At 9,476 vehicles per day, the average road in Seminole tracks closely with the state average of 9,922 vehicles per day. Network-wide, Seminole accounts for about 1.9% of Florida's statewide total of vehicle-miles. Seminole carries more traffic than 71% of counties in Florida.
Journey times here (34.0 minutes on average) closely track the state level. Its average travel time of 34.0 minutes is longer than 61% of counties in Florida.
At 23.7%, the congestion ratio matches the state level closely.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Seminole County, Florida
| Traffic | vehicles per day31,198 |
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| Trucks | 7.5% |
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| Average travel time | 43.2 min |
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| Congestion ratio | 58.3% |
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| Drivers’ average age | 44.5 yrs |
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| Drivers’ average income | $93,235 |
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Highways carry a significant share of travel in Seminole County, Florida: 32% of all vehicle-miles. The average highway carries 31,198 vehicles per day, 243% more than the average non-highway road in the same area, which carries 9,107 vehicles per day.
Highways make up 11% of the monitored road miles (92 miles, 311 segments), so they carry more than their share: 3,214,143 vehicle-miles traveled per day (≈1.2 billion per year).
66% of counties in Florida move less traffic on their highways.
Lower highway truck share than 97% of counties in Florida
At 7.5%, highway truck share is 34% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 97% of counties in Florida. Seminole's highway truck count is higher than 53% of counties in Florida, at roughly 2,324 trucks per day.

Non-highway Traffic in Seminole County, Florida
| Traffic | vehicles per day9,107 |
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| Trucks | 5.0% |
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| Average travel time | 33.8 min |
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| Congestion ratio | 23.1% |
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| Drivers’ average age | 43.8 yrs |
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| Drivers’ average income | $96,403 |
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A little more than half of the driving in Seminole County, Florida happens on local roads: 68% of all vehicle-miles. A typical local road sees 9,107 vehicles per day.
Spread over 708 miles and 18,338 segments, 89% of the road network, local roads carry a lighter load per mile: 6,747,057 vehicle-miles traveled per day (≈2.5 billion per year). Trucks make up 5.0% of non-highway traffic, about 1 in 20 vehicles.
Drivers from higher-income areas than 94% of counties in Florida
The concentration of trucks on non-highway roads is 32% lower than on highways.
The non-highway congestion ratio of 23.1% is in line with the state level.
Seminole's average driver income is higher than 94% of counties in Florida. Seminole's median driver age is lower than 91% of counties in Florida.