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Traffic heat map of Windham County, Vermont: 357 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Western Avenue and I 91

Windham County, Vermont Traffic Counts

How busy are the roads of Windham County, Vermont? We measure 357 road miles, divided into 4,389 segments, with multi-sourced, cross-verified mobile and sensor data. Its highways carry the highest truck share of any county in Vermont, 13.9%. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

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
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

10.8%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

34.8 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

12.2%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

52.5 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$70,593

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 icon

Highway Traffic in Windham County, Vermont

Trafficvehicles per day6,286
Trucks13.9%
Average travel time45.1 min
Congestion ratio18.6%
Drivers’ average age52.4 yrs
Drivers’ average income$69,483

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 icon

Non-highway Traffic in Windham County, Vermont

Trafficvehicles per day2,853
Trucks6.7%
Average travel time33.1 min
Congestion ratio11.2%
Drivers’ average age52.5 yrs
Drivers’ average income$71,165

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.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and a long afternoon plateau from 12:00 PM to 6:00 PM, with volumes reaching approximately 77% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (-3%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +8% versus the annual average.
Lowest month:
April is the quietest month, with volumes -17% versus the annual average.

Data Finding: Hourly & Seasonal Patterns

In Windham County, Vermont, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +8% in high season.

Windham County vs. Vermont Traffic Comparison

Of the four measures, highway truck share differs most: Windham County runs 30% above the Vermont average. Its truck share is also 28% above.

MetricWindham CountyVermont averageDifference
Traffic3,3254,027-17.4%
Truck % (Total Traffic)10.8%8.5%+27.9%
Truck % (Highway)13.9%10.7%+29.8%
Avg. Travel Time34.8 min32.7 min+6.4%

How Windham County compares

Windham County has a higher truck share than any nearby county

Windham County tracks the 4 areas around it closely - no measure in this table sets it far apart from the areas immediately next to it, though it has the quietest roads of the five.

Windham County and the 4 nearest county-level areas by centroid distance, with the Vermont average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Windham County3,32510.8%1,253,46934.8 min12.2%
Bennington County, Vermont3,8917.7%805,72732.9 min12.7%
Cheshire County, New Hampshire4,9237.6%1,771,14334.9 min15.7%
Franklin County, Massachusetts3,6768.4%1,777,81337.6 min13.8%
Sullivan County, New Hampshire3,6958.2%858,45034.4 min11.8%
Vermont average4,0278.5%N/A32.7 min13.2%

Windham County ranked within Vermont

No other county-level area in Vermont records a higher truck share on highways than Windham County.

Windham County ranked among 14 county-level areas in Vermont (1 = highest); measures without data in every county rank a smaller field, down to 13.
MeasureWindham CountyVermont rank
Traffic volume (AADT)3,325#9 of 14
Highway vehicle-miles per day725,364#5 of 13
Truck share on highways13.9%#1 of 13
Highway trucks per day872#3 of 13
Average travel time34.8 min#5 of 14
Average driver income$70,593#10 of 14
Average driver age52.5 yrs#6 of 14

Busiest roads in Windham County, Vermont

On their busiest stretches, the three busiest roads in Windham County carry 13,060 vehicles a day on average, 3.9 times the typical road in the county (3,325).

Western Avenue leads with 13,519 vehicles a day, 915 of them trucks (6.8%). I 91 is practically level with it at 13,276. I 91 carries the most trucks, 2,029 a day (15.3% of its traffic), although it ranks #2 for all traffic.

Trips using I 91 are long: a median of 54.8 minutes against 34.8 county-wide, the mark of a through route.

Few trucks use Putney Road: 5.2% of its traffic, under half the county's 10.8%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Western AvenueTrunk road · 13,519vehicles915trucks · 6.8%
Road class
Trunk road
Congestion ratio
40.9%
Median trip time
37.1 min
Drivers’ median age
52.6 yrs
Drivers’ average income
$58,475

Delays build on Western Avenue: its congestion ratio of 41% over free-flow time is well above the county's 12%.

2I 91Motorway · 13,276vehicles2,029trucks · 15.3%
Road class
Motorway
Congestion ratio
14.5%
Median trip time
54.8 min
Drivers’ median age
52.0 yrs
Drivers’ average income
$70,776

On its busiest stretch, I 91 carries 4.0 times the county average; trucks are 15.3% of it, above the county-wide 10.8%.

3Putney RoadPrimary road · 12,386vehicles651trucks · 5.2%
Road class
Primary road
Congestion ratio
34.3%
Median trip time
31.2 min
Drivers’ median age
52.1 yrs
Drivers’ average income
$71,195

Travel on Putney Road's busiest stretch runs 34% over free-flow time, against 12% across the county, so expect slower peak hours.

4Main StreetPrimary road · 10,778vehicles476trucks · 4.4%
Road class
Primary road
Congestion ratio
33.6%
Median trip time
40.0 min
Drivers’ median age
53.2 yrs
Drivers’ average income
$62,284

Main Street peaks at 10,778 vehicles a day, 3.2 times the county average; trucks are 4.4% of it, below the county-wide 10.8%.

5Canal StreetPrimary road · 7,448vehicles378trucks · 5.1%
Road class
Primary road
Congestion ratio
22.9%
Median trip time
31.5 min
Drivers’ median age
52.6 yrs
Drivers’ average income
$60,235

Canal Street carries 2.2 times the county average at its busiest, 378 of them trucks (5.1%, below the county-wide 10.8%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 91Motorway · #2 by traffic13,276vehicles2,029trucks · 15.3%
2Western AvenueTrunk road · #1 by traffic13,519vehicles915trucks · 6.8%
3Putney RoadPrimary road · #3 by traffic12,386vehicles651trucks · 5.2%
4Main StreetPrimary road · #4 by traffic10,778vehicles476trucks · 4.4%
5Westminster StreetTrunk road · 5,893vehicles476trucks · 8.1%
Road class
Trunk road
Congestion ratio
17.4%
Median trip time
29.5 min
Drivers’ median age
54.2 yrs
Drivers’ average income
$67,639

Westminster Street is busy by local standards, at 77% more than the county average on its busiest stretch; trucks are 8.1% of it, below the county-wide 10.8%.

How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

WindhamDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Windham County

The same traffic breakdown for the areas closest to Windham County, Vermont.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.