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Traffic heat map of Teton County, Idaho: 56 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Main Street and ID 33

Teton County, Idaho Traffic Counts

Traffic analytics for Teton County, Idaho, calculated from real-world mobile and sensor networks on 650 road segments (56 road miles, about 453 ft each). Its drivers come from the highest-income neighborhoods of any county in Idaho, averaging $92,560. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
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 Teton County, Idaho

Traffic

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

vehicles per day6,251
Trucks

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

7.5%
Average travel time

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

40.5 min
Congestion ratio

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

26.3%
Drivers’ average age

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

43.5 yrs
Drivers’ average income

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

$92,560

The average monitored road in Teton County, Idaho carries 6,251 vehicles per day. Across its 56 miles of monitored roads, that adds up to 284,681 vehicle-miles traveled per day (≈104 million per year). About 1 in 13 vehicles is a truck, fewer than the 1 in 10 across Idaho.

Busier roads than 91% of counties in Idaho

At 6,251 vehicles per day, the average road in Teton carries somewhat more traffic than the state average of 5,734 (9% more). In total volume terms, its road network carries about 0.6% of Idaho's statewide total of vehicle-miles. By volume, Teton's 6,251 vehicles per day outpaces 91% of counties in Idaho.

At 40.5 minutes, the average travel time is 20% higher than the state level. 88% of counties in Idaho have a shorter average travel time than Teton's 40.5 minutes.

Congestion runs 64% higher than the state level, at a ratio of 26.3%, which means more pronounced congestion - expect markedly slower peak-hour deliveries and unreliable arrival times.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 8:00 AM to 12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 84% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 21% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +29% versus the annual average.
Lowest month:
April is the quietest month, with volumes -24% versus the annual average.

Data Finding: Hourly & Seasonal Patterns

In Teton County, Idaho, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +29% in high season.

Teton County vs. Idaho Traffic Comparison

Teton County's biggest difference from the Idaho average is its truck share, 22% below it. Its average travel time, by contrast, is 20% above.

MetricTeton CountyIdaho averageDifference
Traffic6,2515,734+9.0%
Truck % (Total Traffic)7.5%9.7%-22.0%
Avg. Travel Time40.5 min33.8 min+19.8%

How Teton County compares

Teton County moves the least traffic of its nearby counties

Compared with its 4 closest neighbours, Teton County moves 22.3% of the total daily travel; it has the second busiest roads of the five. The mirror image of a big network: fewer road-miles carrying heavier traffic, so the travel here is concentrated rather than spread out.

Teton County and the 4 nearest county-level areas by centroid distance, with the Idaho average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Teton County6,2517.5%284,68140.5 min26.3%
Madison County, Idaho4,3526.9%822,40333.5 min7.1%
Bonneville County, Idaho7,7936.6%2,674,55435.2 min20.6%
Teton County, Wyoming5,2997.0%990,56830.8 min8.3%
Fremont County, Idaho2,9768.2%620,28037.9 minN/A
Idaho average5,7349.7%N/A33.8 min16.0%

Teton County ranked within Idaho

No other county-level area in Idaho records a higher average driver income than Teton County.

Teton County ranked among 44 county-level areas in Idaho (1 = highest).
MeasureTeton CountyIdaho rank
Traffic volume (AADT)6,251#5 of 44
Average travel time40.5 min#6 of 44
Average driver income$92,560#1 of 44
Average driver age43.5 yrs#32 of 44

Busiest roads in Teton County, Idaho

The three busiest roads in Teton County average 10,778 vehicles a day, 72% more than the county average of 6,251 across all its monitored roads.

Main Street is the busiest road, at 12,983 vehicles a day, 670 of them trucks (5.2%). ID 33 carries the most trucks, 704 a day (6.2% of its traffic), although it ranks #2 for all traffic.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Main StreetPrimary road · 12,983vehicles670trucks · 5.2%
Road class
Primary road
Median trip time
43.9 min
Drivers’ median age
43.1 yrs
Drivers’ average income
$93,509

Main Street peaks at 12,983 vehicles a day, 2.1 times the county average; trucks are 5.2% of it, below the county-wide 7.5%.

2ID 33Primary road · 11,363vehicles704trucks · 6.2%
Road class
Primary road
Congestion ratio
26.3%
Median trip time
37.4 min
Drivers’ median age
43.6 yrs
Drivers’ average income
$100,012

ID 33 carries 82% more than the county average on its busiest stretch, where the median trip lasts 37.4 minutes.

3Highway 33Primary road · 7,989vehicles528trucks · 6.6%
Road class
Primary road
Median trip time
39.7 min
Drivers’ median age
43.5 yrs
Drivers’ average income
$83,855

At 28% more than the county average, Highway 33 draws drivers from neighborhoods averaging $83,855 in household income.

4Center StreetPrimary road · 6,864vehicles506trucks · 7.4%
Road class
Primary road
Median trip time
46.2 min
Drivers’ median age
43.3 yrs
Drivers’ average income
$90,388

Center Street is busy by local standards, at 10% more than the county average on its busiest stretch; trucks are 7.4% of it, in line with the county-wide 7.5%.

5State Highway 31Primary road · 4,552vehicles372trucks · 8.2%
Road class
Primary road
Median trip time
49.3 min
Drivers’ median age
43.6 yrs
Drivers’ average income
$99,624

State Highway 31 is a quieter road: its busiest stretch carries 27% less than the county average; trucks are 8.2% of it, above the county-wide 7.5%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1ID 33Primary road · #2 by traffic11,363vehicles704trucks · 6.2%
2Main StreetPrimary road · #1 by traffic12,983vehicles670trucks · 5.2%
3Highway 33Primary road · #3 by traffic7,989vehicles528trucks · 6.6%
4Center StreetPrimary road · #4 by traffic6,864vehicles506trucks · 7.4%
5State Highway 31Primary road · #5 by traffic4,552vehicles372trucks · 8.2%
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

TetonDepartment 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 Teton County

The same traffic breakdown for the areas closest to Teton County, Idaho.

Need segment-level traffic data?

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