
Total Traffic Volume & Performance in Warren County, Ohio
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day6,815 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.1 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. | 16.5% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $112,366 |
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The average monitored road in Warren County, Ohio carries 6,815 vehicles per day. Across its 623 miles of monitored roads, that adds up to 5,695,189 vehicle-miles traveled per day (≈2.1 billion per year). Trucks are 9.4% of traffic, close to the 9.9% across Ohio.
Busier roads than 89% of counties in Ohio
Warren's average daily traffic volume is 18% higher than the state average - 6,815 vehicles per day against 5,773 - suggesting more traffic load per road - a critical factor for logistics and site planning. Network-wide, Warren accounts for about 2.2% of Ohio's statewide total of vehicle-miles. By volume, Warren's 6,815 vehicles per day outpaces 89% of counties in Ohio.
At 31.1 minutes, the average travel time is 5% lower than the state level. On travel time, Warren runs shorter than 82% of counties in Ohio.
At 16.5%, the congestion ratio matches the state level closely.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Warren County, Ohio
| Traffic | vehicles per day16,588 |
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| Trucks | 14.5% |
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| Average travel time | 44.6 min |
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| Congestion ratio | 23.1% |
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| Drivers’ average age | 46.5 yrs |
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| Drivers’ average income | $104,411 |
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Highways carry about half of all travel in Warren County, Ohio, 49% of vehicle-miles. The average highway carries 16,588 vehicles per day, 154% more than the average non-highway road in the same area, which carries 6,542 vehicles per day.
With 17% of the road miles (105 miles in 492 segments), highways punch above their length, carrying 2,788,780 vehicle-miles traveled per day (≈1.0 billion per year).
That is more highway travel volume than 89% of counties in Ohio.
More highway trucks than 88% of counties in Ohio
At 14.5%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Ohio: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 59% of counties in Ohio. By raw truck volume, Warren carries more highway trucks than 88% of counties in Ohio.

Non-highway Traffic in Warren County, Ohio
| Traffic | vehicles per day6,542 |
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| Trucks | 4.4% |
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| Average travel time | 30.8 min |
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| Congestion ratio | 16.3% |
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| Drivers’ average age | 47.1 yrs |
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| Drivers’ average income | $116,148 |
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Local roads carry about half of all travel in Warren County, Ohio, 51% of vehicle-miles. A typical local road sees 6,542 vehicles per day.
Local roads make up 83% of the monitored road miles (518 miles in 17,619 segments) but carry less than their share of travel: 2,906,409 vehicle-miles traveled per day (≈1.1 billion per year). About 1 in 23 vehicles on non-highway roads is a truck (4.4%).
Drivers from higher-income areas than 99% of counties in Ohio
Compared to highways, non-highway routes see 70% fewer trucks by share.
The non-highway congestion ratio of 16.3% is in line with the state level.
99% of counties in Ohio see lower average driver income among trip origins than Warren. The driver population here skews younger than 80% of counties in Ohio.