
Total Traffic Volume & Performance in Kennebec County, Maine
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,303 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.8 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. | 15.6% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $69,720 |
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Our data shows 5,303 vehicles per day on the average road in Kennebec County, Maine, and 3,288,041 vehicle-miles traveled per day (≈1.2 billion per year) across its 695 miles of monitored roads. About 1 in 11 vehicles is a truck, in line with Maine (8.7%).
Busier roads than 80% of counties in Maine
At 5,303 vehicles per day, the average road in Kennebec carries somewhat more traffic than the state average of 4,836 (10% more). Across the whole network, that travel is about 10% of Maine's statewide total. Kennebec carries more traffic than 80% of counties in Maine.
The average trip takes 35.8 minutes, on par with the state level. On travel time, Kennebec runs longer than 67% of counties in Maine.
The congestion ratio of 15.6% runs slightly higher than the state level (7% higher).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Kennebec County, Maine
| Traffic | vehicles per day7,656 |
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| Trucks | 14.1% |
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| Average travel time | 49.7 min |
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| Congestion ratio | 20.4% |
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| Drivers’ average age | 50.1 yrs |
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| Drivers’ average income | $70,306 |
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Highways carry a significant share of travel in Kennebec County, Maine: 39% of all vehicle-miles. The average highway carries 7,656 vehicles per day, 48% more than the average non-highway road in the same area, which carries 5,166 vehicles per day.
With 22% of the road miles (150 miles in 457 segments), highways punch above their length, carrying 1,285,415 vehicle-miles traveled per day (≈469 million per year).
79% of counties in Maine move less traffic on their highways.
Higher highway truck share than 93% of counties in Maine
Highway truck concentration here runs 14% higher than the state average, at 14.1%. The highway traffic mix is typical for Maine: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 93% of counties in Maine. By raw truck volume, Kennebec carries more highway trucks than 79% of counties in Maine.

Non-highway Traffic in Kennebec County, Maine
| Traffic | vehicles per day5,166 |
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| Trucks | 6.0% |
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| Average travel time | 35.0 min |
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| Congestion ratio | 15.3% |
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| Drivers’ average age | 50.3 yrs |
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| Drivers’ average income | $69,494 |
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A little more than half of the driving in Kennebec County, Maine happens on local roads: 61% of all vehicle-miles. The average non-highway road carries 5,166 vehicles per day.
Spread over 545 miles and 7,868 segments, 78% of the road network, local roads carry a lighter load per mile: 2,002,626 vehicle-miles traveled per day (≈731 million per year). The truck share on non-highway roads is 6.0%.
Younger drivers than 80% of counties in Maine
The concentration of trucks on non-highway roads is 57% lower than on highways.
Non-highway congestion (15.3%) runs slightly higher than the state level (10% higher).
60% of counties in Maine see higher average driver income among trip origins than Kennebec. 80% of counties in Maine have an older driver population than Kennebec.