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Traffic heat map of Lamoille County, Vermont: 142 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Vermont Route 15 and Waterbury Road

Lamoille County, Vermont Traffic Counts

It ranks among the top 3 counties in Vermont for average daily traffic. This page breaks down traffic in Lamoille County, Vermont across 142 miles of monitored roads split into 2,351 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Lamoille County, Vermont

Traffic

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

vehicles per day4,439
Trucks

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

7.1%
Average travel time

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

32.4 min
Congestion ratio

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

13.3%
Drivers’ average age

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

48.0 yrs
Drivers’ average income

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

$77,862

Our data shows 4,439 vehicles per day on the average road in Lamoille County, Vermont, and 561,439 vehicle-miles traveled per day (≈205 million per year) across its 142 miles of monitored roads. About 1 in 14 vehicles is a truck, fewer than the 1 in 12 across Vermont.

Busier roads than 92% of counties in Vermont

At 4,439 vehicles per day, the average road in Lamoille carries somewhat more traffic than the state average of 4,027 (10% more) - a critical factor for logistics and site planning. In total volume terms, its road network carries about 3.7% of Vermont's statewide total of vehicle-miles. 92% of counties in Vermont see less traffic than Lamoille's 4,439 vehicles per day.

The average trip takes 32.4 minutes, on par with the state level. 54% of counties in Vermont have a shorter average travel time than Lamoille's 32.4 minutes.

At 13.3%, the congestion ratio matches the state level closely.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 90% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (+0%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +14% versus the annual average.
Lowest month:
April is the quietest month, with volumes -25% versus the annual average.

Data Finding: Hourly & Seasonal Patterns

In Lamoille County, Vermont, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +14% in high season.

Lamoille County vs. Vermont Traffic Comparison

The truck share sets Lamoille County apart: 16% below the Vermont average.

MetricLamoille CountyVermont averageDifference
Traffic4,4394,027+10.2%
Truck % (Total Traffic)7.1%8.5%-16.3%
Avg. Travel Time32.4 min32.7 min-0.9%

How Lamoille County compares

Lamoille County against nearby counties

Against the 4 nearest areas, Lamoille County moves 36.2% of the total daily travel; it has the second busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Lamoille 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
Lamoille County4,4397.1%561,43932.4 min13.3%
Franklin County, Vermont3,7158.2%904,60029.3 min11.9%
Chittenden County, Vermont6,5696.4%3,331,88131.2 min18.6%
Orleans County, Vermont1,9878.7%491,14827.9 min8.0%
Washington County, Vermont4,0708.2%1,481,60337.3 min14.0%
Vermont average4,0278.5%N/A32.7 min13.2%

Lamoille County ranked within Vermont

Lamoille County sits in Vermont's top three on average daily traffic volume.

Lamoille County ranked among 14 county-level areas in Vermont (1 = highest).
MeasureLamoille CountyVermont rank
Traffic volume (AADT)4,439#2 of 14
Average travel time32.4 min#7 of 14
Average driver income$77,862#8 of 14
Average driver age48.0 yrs#13 of 14

Lamoille County ranks #2 of 14 on average daily traffic volume but #13 of 14 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Lamoille County, Vermont

Traffic concentrates on a few corridors: the three busiest roads average 10,716 vehicles a day, against 4,439 on the average road in Lamoille County.

Vermont Route 15 is the busiest road, at 10,850 vehicles a day, 701 of them trucks (6.5%). Waterbury Road is practically level with it at 10,701. Waterbury Road carries the most trucks, 879 a day (8.2% of its traffic), although it ranks #2 for all traffic.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Vermont Route 15Primary road · 10,850vehicles701trucks · 6.5%
Road class
Primary road
Congestion ratio
26.6%
Median trip time
29.6 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$70,000

Vermont Route 15 is one of the more congested roads here: trips take 27% longer than at free-flow speed, against 13% county-wide.

2Waterbury RoadPrimary road · 10,701vehicles879trucks · 8.2%
Road class
Primary road
Congestion ratio
24.5%
Median trip time
37.7 min
Drivers’ median age
50.0 yrs
Drivers’ average income
$92,741

Waterbury Road carries 2.4 times the county average at its busiest, 879 of them trucks (8.2%, above the county-wide 7.1%).

3Maple StreetPrimary road · 10,598vehicles687trucks · 6.5%
Road class
Primary road
Congestion ratio
26.1%
Median trip time
31.9 min
Drivers’ median age
48.4 yrs
Drivers’ average income
$89,064

Delays build on Maple Street: its congestion ratio of 26% over free-flow time is well above the county's 13%.

4Main StreetPrimary road · 9,732vehicles727trucks · 7.5%
Road class
Primary road
Congestion ratio
23.4%
Median trip time
38.5 min
Drivers’ median age
49.5 yrs
Drivers’ average income
$88,809

Main Street carries 2.2 times the county average on its busiest stretch, where the median trip lasts 38.5 minutes.

5Lower Main StreetPrimary road · 8,195vehicles739trucks · 9.0%
Road class
Primary road
Congestion ratio
20.6%
Median trip time
36.1 min
Drivers’ median age
45.6 yrs
Drivers’ average income
$67,532

Lower Main Street carries 85% more than the county average on its busiest stretch, where the median trip lasts 36.1 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Waterbury RoadPrimary road · #2 by traffic10,701vehicles879trucks · 8.2%
2Lower Main StreetPrimary road · #5 by traffic8,195vehicles739trucks · 9.0%
3Main StreetPrimary road · #4 by traffic9,732vehicles727trucks · 7.5%
4Vermont Route 15Primary road · #1 by traffic10,850vehicles701trucks · 6.5%
5Maple StreetPrimary road · #3 by traffic10,598vehicles687trucks · 6.5%
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

LamoilleDepartment 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 Lamoille County

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

Need segment-level traffic data?

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