
Total Traffic Volume & Performance in Windham County, Vermont
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,325 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.8% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.8 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. | 12.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 52.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $70,593 |
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The average monitored road in Windham County, Vermont carries 3,325 vehicles per day. Across its 357 miles of monitored roads, that adds up to 1,253,469 vehicle-miles traveled per day (≈458 million per year). At 10.8%, the truck share runs above the 8.5% across Vermont: about 1 in 9 vehicles.
Longer trips than 69% of counties in Vermont
Windham's average daily traffic volume is 17% lower than the state average - 3,325 vehicles per day against 4,027 - suggesting less traffic load per road - a critical factor for logistics and site planning. Network-wide, Windham accounts for about 8.3% of Vermont's statewide total of vehicle-miles. Windham carries less traffic than 62% of counties in Vermont.
Journey times run 6% higher than the state level, at 34.8 minutes on average. On travel time, Windham runs longer than 69% of counties in Vermont.
The congestion ratio of 12.2% runs slightly lower than the state level (7% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Windham County, Vermont
| Traffic | vehicles per day6,286 |
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| Trucks | 13.9% |
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| Average travel time | 45.1 min |
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| Congestion ratio | 18.6% |
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| Drivers’ average age | 52.4 yrs |
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| Drivers’ average income | $69,483 |
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Highways carry more than half of all travel in Windham County, Vermont (58% of vehicle-miles). The average highway carries 6,286 vehicles per day, 120% more than the average non-highway road in the same area, which carries 2,853 vehicles per day.
Highways make up 32% of the monitored road miles (115 miles, 603 segments), so they carry more than their share: 725,364 vehicle-miles traveled per day (≈265 million per year).
By highway travel volume, Windham outranks 67% of counties in Vermont.
The highest highway truck share of any county in Vermont
The concentration of trucks on highways (13.9%) is 30% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By share, Windham has the highest highway truck concentration in Vermont, at 13.9%. 83% of counties in Vermont see fewer highway trucks per day than Windham's roughly 872.

Non-highway Traffic in Windham County, Vermont
| Traffic | vehicles per day2,853 |
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| Trucks | 6.7% |
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| Average travel time | 33.1 min |
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| Congestion ratio | 11.2% |
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| Drivers’ average age | 52.5 yrs |
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| Drivers’ average income | $71,165 |
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Local roads carry a significant share of travel in Windham County, Vermont: 42% of all vehicle-miles. A typical local road sees 2,853 vehicles per day.
Spread over 242 miles and 3,786 segments, 68% of the road network, local roads carry a lighter load per mile: 528,104 vehicle-miles traveled per day (≈193 million per year). Trucks make up 6.7% of non-highway traffic, about 1 in 15 vehicles.
Drivers from lower-income areas than 69% of counties in Vermont
Non-highway roads carry a truck concentration that's 52% lower than the highway network.
Non-highway congestion (11.2%) runs slightly lower than the state level (10% lower).
Windham's average driver income is lower than 69% of counties in Vermont. 62% of counties in Vermont have a younger driver population than Windham.