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Traffic heat map of Windsor County, Vermont: 471 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 89 and I 91

Windsor County, Vermont Traffic Counts

Our Windsor County, Vermont traffic data covers 6,097 road segments over 471 road miles, with an average segment of just 407 ft. It moves more highway traffic than any other county in Vermont. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
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 Windsor County, Vermont

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day3,726
Trucks

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

9.7%
Average travel time

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

35.0 min
Congestion ratio

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

11.8%
Drivers’ average age

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

52.8 yrs
Drivers’ average income

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

$79,886

Our data shows 3,726 vehicles per day on the average road in Windsor County, Vermont, and 2,078,604 vehicle-miles traveled per day (≈759 million per year) across its 471 miles of monitored roads. Trucks are 9.7% of traffic, close to the 8.5% across Vermont.

Longer trips than 77% of counties in Vermont

Windsor's average daily traffic volume is 7% lower than the state average - 3,726 vehicles per day against 4,027. Network-wide, Windsor accounts for about 14% of Vermont's statewide total of vehicle-miles. 62% of counties in Vermont see less traffic than Windsor's 3,726 vehicles per day.

The average trip takes 35.0 minutes, 7% higher than the state level. On travel time, Windsor runs longer than 77% of counties in Vermont.

Congestion is somewhat lower than the state level, at a ratio of 11.8% (11% lower) - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Windsor County, Vermont

Trafficvehicles per day6,719
Trucks11.2%
Average travel time43.7 min
Congestion ratio20.4%
Drivers’ average age53.3 yrs
Drivers’ average income$81,572

A little more than half of the driving in Windsor County, Vermont happens on highways: 67% of all vehicle-miles. The average highway carries 6,719 vehicles per day, 125% more than the average non-highway road in the same area, which carries 2,992 vehicles per day.

Highways make up 40% of the monitored road miles (189 miles, 1,201 segments), so they carry more than their share: 1,399,430 vehicle-miles traveled per day (≈511 million per year).

No county in Vermont moves more traffic on its highways.

Higher highway truck share than 67% of counties in Vermont

The concentration of trucks on highways (11.2%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Vermont: neither freight- nor commuter-dominated.

By truck concentration, highways here outrank 67% of counties in Vermont. 67% of counties in Vermont see fewer highway trucks per day than Windsor's roughly 752.

non-highway traffic icon

Non-highway Traffic in Windsor County, Vermont

Trafficvehicles per day2,992
Trucks6.7%
Average travel time32.9 min
Congestion ratio9.7%
Drivers’ average age52.3 yrs
Drivers’ average income$77,539

Local roads carry a significant share of travel in Windsor County, Vermont: 33% of all vehicle-miles. A typical local road sees 2,992 vehicles per day.

Local roads make up 60% of the monitored road miles (282 miles in 4,896 segments) but carry less than their share of travel: 679,173 vehicle-miles traveled per day (≈248 million per year). The truck share on non-highway roads is 6.7%.

Older drivers than 77% of counties in Vermont

Non-highway roads carry a truck concentration that's 40% lower than the highway network.

The non-highway congestion ratio of 9.7% is 22% lower than the state level, suggesting more efficient local mobility than the state average.

62% of counties in Vermont see lower average driver income among trip origins than Windsor. Windsor's median driver age is higher than 77% of counties in Vermont.

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 71% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (+4%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
January–March is the high season, with volumes +24% versus the annual average.
Lowest month:
October is the quietest month, with volumes -27% versus the annual average.

Data Finding: Hourly & Seasonal Patterns

In Windsor County, Vermont, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +24% in high season.

Windsor County vs. Vermont Traffic Comparison

Windsor County stays close to the Vermont average; the largest gap is its truck share, 15% above.

MetricWindsor CountyVermont averageDifference
Traffic3,7264,027-7.5%
Truck % (Total Traffic)9.7%8.5%+14.9%
Truck % (Highway)11.2%10.7%+4.8%
Avg. Travel Time35.0 min32.7 min+7.1%

How Windsor County compares

Windsor County moves more traffic than any nearby county

Against the 4 nearest areas, Windsor County moves 2.1 times the total daily travel; it has the second busiest roads of the five. It is bigger rather than busier: the extra travel comes from carrying more road, not from heavier roads.

Windsor 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
Windsor County3,7269.7%2,078,60435.0 min11.8%
Sullivan County, New Hampshire3,6958.2%858,45034.4 min11.8%
Rutland County, Vermont4,2148.4%1,259,08430.9 min12.6%
Orange County, Vermont2,42811.8%933,34630.2 min7.9%
Addison County, Vermont2,9498.3%844,16636.4 min10.2%
Vermont average4,0278.5%N/A32.7 min13.2%

Windsor County ranked within Vermont

No other county-level area in Vermont records a higher highway travel volume than Windsor County.

Windsor County ranked among 14 county-level areas in Vermont (1 = highest); measures without data in every county rank a smaller field, down to 13.
MeasureWindsor CountyVermont rank
Traffic volume (AADT)3,726#6 of 14
Highway vehicle-miles per day1,399,430#1 of 13
Truck share on highways11.2%#5 of 13
Highway trucks per day752#5 of 13
Average travel time35.0 min#4 of 14
Average driver income$79,886#6 of 14
Average driver age52.8 yrs#4 of 14

Busiest roads in Windsor County, Vermont

Traffic concentrates on a few corridors: the three busiest roads average 14,997 vehicles a day, against 3,726 on the average road in Windsor County.

I 89 leads with 15,827 vehicles a day, 1,786 of them trucks (11.3%). I 91 is practically level with it at 15,502. I 91 carries the most trucks, 1,917 a day (12.4% of its traffic), although it ranks #2 for all traffic.

I 89 carries longer journeys than most roads here, with a median trip of 49.3 minutes against 35.0 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 89Motorway · 15,827vehicles1,786trucks · 11.3%
Road class
Motorway
Congestion ratio
14.6%
Median trip time
49.3 min
Drivers’ median age
51.3 yrs
Drivers’ average income
$84,831

I 89 peaks at 15,827 vehicles a day, 4.2 times the county average; trucks are 11.3% of it, above the county-wide 9.7%.

2I 91Motorway · 15,502vehicles1,917trucks · 12.4%
Road class
Motorway
Congestion ratio
17.0%
Median trip time
44.3 min
Drivers’ median age
49.4 yrs
Drivers’ average income
$76,705

I 91 carries 4.2 times the county average at its busiest, 1,917 of them trucks (12.4%, above the county-wide 9.7%).

3River StreetPrimary road · 13,663vehicles766trucks · 5.6%
Road class
Primary road
Congestion ratio
42.6%
Median trip time
33.9 min
Drivers’ median age
52.7 yrs
Drivers’ average income
$67,280

River Street is one of the more congested roads here: trips take 43% longer than at free-flow speed, against 12% county-wide.

4Main StreetPrimary road · 12,179vehicles815trucks · 6.7%
Road class
Primary road
Congestion ratio
39.2%
Median trip time
41.2 min
Drivers’ median age
52.9 yrs
Drivers’ average income
$61,996

Delays build on Main Street: its congestion ratio of 39% over free-flow time is well above the county's 12%.

5Clinton StreetPrimary road · 11,358vehicles798trucks · 7.0%
Road class
Primary road
Congestion ratio
15.6%
Median trip time
44.6 min
Drivers’ median age
52.6 yrs
Drivers’ average income
$61,022

Clinton Street carries 3.0 times the county average on its busiest stretch, where the median trip lasts 44.6 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 91Motorway · #2 by traffic15,502vehicles1,917trucks · 12.4%
2I 89Motorway · #1 by traffic15,827vehicles1,786trucks · 11.3%
3Main StreetPrimary road · #4 by traffic12,179vehicles815trucks · 6.7%
4Clinton StreetPrimary road · #5 by traffic11,358vehicles798trucks · 7.0%
5River StreetPrimary road · #3 by traffic13,663vehicles766trucks · 5.6%
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

WindsorDepartment 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 Windsor County

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

Need segment-level traffic data?

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