
Total Traffic Volume & Performance in Dearborn County, Indiana
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,108 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.7 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. | 13.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $82,348 |
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A typical monitored road in Dearborn County, Indiana sees 5,108 vehicles per day, while its 258 miles of monitored roads together handle 1,407,759 vehicle-miles traveled per day (≈514 million per year). Trucks are 11.2% of traffic, close to the 12.1% across Indiana.
Shorter trips than 95% of counties in Indiana
At 5,108 vehicles per day, the average road in Dearborn carries somewhat less traffic than the state average of 5,704 (10% less) - a critical factor for logistics and site planning. Network-wide, Dearborn accounts for about 0.9% of Indiana's statewide total of vehicle-miles. By volume, Dearborn's 5,108 vehicles per day outpaces 74% of counties in Indiana.
Journey times run 11% lower than the state level, at 29.7 minutes on average. Its average travel time of 29.7 minutes is shorter than 95% of counties in Indiana.
Congestion is somewhat lower than the state level, at a ratio of 13.6% (13% lower) - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Dearborn County, Indiana
| Traffic | vehicles per day12,244 |
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| Trucks | 20.8% |
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| Average travel time | 50.8 min |
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| Congestion ratio | 26.6% |
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| Drivers’ average age | 48.7 yrs |
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| Drivers’ average income | $86,657 |
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A significant share of driving in Dearborn County, Indiana, 34% of vehicle-miles, happens on highways. The average highway carries 12,244 vehicles per day, 144% more than the average non-highway road in the same area, which carries 5,019 vehicles per day.
Highways make up 14% of the monitored road miles (37 miles, 74 segments), so they carry more than their share: 481,970 vehicle-miles traveled per day (≈176 million per year).
A typical mix of freight and passenger traffic
At 20.8%, highway truck share is 6% higher than the state average. The highway traffic mix is typical for Indiana: neither freight- nor commuter-dominated.
Dearborn's highway truck share (20.8%) is higher than 54% of counties in Indiana. By raw truck volume, Dearborn carries more highway trucks than 58% of counties in Indiana.

Non-highway Traffic in Dearborn County, Indiana
| Traffic | vehicles per day5,019 |
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| Trucks | 6.2% |
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| Average travel time | 29.4 min |
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| Congestion ratio | 13.5% |
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| Drivers’ average age | 49.5 yrs |
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| Drivers’ average income | $81,834 |
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Local roads carry more than half of all travel in Dearborn County, Indiana (66% of vehicle-miles). On the average non-highway road, that comes to 5,019 vehicles per day.
Local roads make up 86% of the monitored road miles (221 miles in 5,946 segments) but carry less than their share of travel: 925,789 vehicle-miles traveled per day (≈338 million per year). The truck share on non-highway roads is 6.2%.
Drivers from higher-income areas than 81% of counties in Indiana
Compared to highways, non-highway routes see 70% fewer trucks by share.
Non-highway congestion (13.5%) runs slightly lower than the state level (11% lower).
81% of counties in Indiana see lower average driver income among trip origins than Dearborn. Dearborn's median driver age is higher than 80% of counties in Indiana.