
Total Traffic Volume & Performance in Addison County, Vermont
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,949 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 36.4 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. | 10.2% |
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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. | $87,534 |
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The average monitored road in Addison County, Vermont carries 2,949 vehicles per day. Across its 344 miles of monitored roads, that adds up to 844,166 vehicle-miles traveled per day (≈308 million per year). Trucks are 8.3% of traffic, close to the 8.5% across Vermont.
Longer trips than 85% of counties in Vermont
Addison's average daily traffic volume is 27% lower than the state average - 2,949 vehicles per day against 4,027 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 5.6% of Vermont's statewide total. Addison carries less traffic than 69% of counties in Vermont.
The average trip takes 36.4 minutes, 11% higher than the state level. Its average travel time of 36.4 minutes is longer than 85% of counties in Vermont.
Congestion runs 22% lower than the state level, at a ratio of 10.2%, which means smoother traffic flow - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Addison County, Vermont
| Traffic | vehicles per day9,544 |
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| Trucks | 9.4% |
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| Average travel time | 39.8 min |
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| Congestion ratio | 26.4% |
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| Drivers’ average age | 50.3 yrs |
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| Drivers’ average income | $86,572 |
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Highways carry a significant share of travel in Addison County, Vermont: 34% of all vehicle-miles. The average highway carries 9,544 vehicles per day, 345% more than the average non-highway road in the same area, which carries 2,147 vehicles per day.
Yet highways are only 10% of the road network, 34 miles in 561 segments, so each mile of them is 3.5 times as busy as the average road mile.
Lower highway truck share than 75% of counties in Vermont
Highway truck concentration here runs 12% lower than the state average, at 9.4%. The highway traffic mix is typical for Vermont: neither freight- nor commuter-dominated.
Addison's highway truck share (9.4%) is lower than 75% of counties in Vermont. By raw truck volume, Addison carries more highway trucks than 58% of counties in Vermont.

Non-highway Traffic in Addison County, Vermont
| Traffic | vehicles per day2,147 |
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| Trucks | 7.7% |
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| Average travel time | 36.0 min |
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| Congestion ratio | 8.3% |
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| Drivers’ average age | 50.2 yrs |
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| Drivers’ average income | $88,209 |
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Local roads carry more than half of all travel in Addison County, Vermont (66% of vehicle-miles). On the average non-highway road, that comes to 2,147 vehicles per day.
Local roads make up 90% of the monitored road miles (310 miles in 4,608 segments) but carry less than their share of travel: 553,733 vehicle-miles traveled per day (≈202 million per year). The truck share on non-highway roads is 7.7%.
Drivers from higher-income areas than 85% of counties in Vermont
Non-highway roads carry a truck concentration that's 19% lower than the highway network.
At 34% lower than the state level, the non-highway congestion ratio of 8.3% signals easier movement on local roads.
85% of counties in Vermont see lower average driver income among trip origins than Addison. 69% of counties in Vermont have an older driver population than Addison.