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Traffic heat map of Owyhee County, Idaho: 190 miles of roads shaded from blue (light) to red (heavy traffic), busiest on ID 55 and Idaho Avenue

Owyhee County, Idaho Traffic Counts

How busy are the roads of Owyhee County, Idaho? We measure 190 road miles, divided into 1,435 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, ID 55, carries 4,421 vehicles a day, 4.8 times the average road. 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 Volume & Performance in Owyhee County, Idaho

Traffic

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

vehicles per day917
Trucks

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

12.0%
Average travel time

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

35.4 min
Congestion ratio

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

5.1%
Drivers’ average age

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

47.2 yrs
Drivers’ average income

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

$67,008

The average monitored road in Owyhee County, Idaho carries 917 vehicles per day. Across its 190 miles of monitored roads, that adds up to 147,431 vehicle-miles traveled per day (≈53.8 million per year). At 12.0%, the truck share runs above the 9.7% across Idaho: about 1 in 8 vehicles.

Quieter roads than 98% of counties in Idaho

Owyhee sees 84% lower average daily traffic volume than the state average (917 vehicles per day against 5,734), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Owyhee accounts for about 0.3% of Idaho's statewide total of vehicle-miles. By volume, Owyhee's 917 vehicles per day trails 98% of counties in Idaho.

Journey times here (35.4 minutes on average) closely track the state level. 70% of counties in Idaho have a shorter average travel time than Owyhee's 35.4 minutes.

At 68% lower than the state level, the 5.1% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Owyhee County, Idaho

Trafficvehicles per day2,528
Trucks14.4%
Average travel time42.3 min
Congestion ratio5.8%
Drivers’ average age47.6 yrs
Drivers’ average income$67,909

Highways carry a significant share of travel in Owyhee County, Idaho: 40% of all vehicle-miles. The average highway carries 2,528 vehicles per day, 240% more than the average non-highway road in the same area, which carries 742 vehicles per day.

With 20% of the road miles (37 miles in 140 segments), highways punch above their length, carrying 59,065 vehicle-miles traveled per day (≈21.6 million per year).

Fewer highway trucks than 97% of counties in Idaho

At 14.4%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for Idaho: neither freight- nor commuter-dominated.

By truck concentration, highways here outrank 71% of counties in Idaho. By raw truck volume, Owyhee carries fewer highway trucks than 97% of counties in Idaho.

non-highway traffic icon

Non-highway Traffic in Owyhee County, Idaho

Trafficvehicles per day742
Trucks10.4%
Average travel time34.6 min
Congestion ratio5.1%
Drivers’ average age46.8 yrs
Drivers’ average income$66,392

A little more than half of the driving in Owyhee County, Idaho happens on local roads: 60% of all vehicle-miles. A typical local road sees 742 vehicles per day.

Local roads make up 80% of the monitored road miles (153 miles in 1,295 segments) but carry less than their share of travel: 88,366 vehicle-miles traveled per day (≈32.3 million per year). About 1 in 10 vehicles on non-highway roads is a truck (10.4%).

Local congestion 69% below the Idaho average

The concentration of trucks on non-highway roads is 28% lower than on highways.

At 69% lower than the state level, the non-highway congestion ratio of 5.1% signals easier movement on local roads.

70% of counties in Idaho see higher average driver income among trip origins than Owyhee. The driver population here skews older than 56% of counties in Idaho.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 9:00 AM–12:00 PM and PM peak 5:00 PM–6:00 PM, with volumes reaching approximately 86% 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:
May–July is the high season, with volumes +15% versus the annual average.
Lowest month:
January is the quietest month, with volumes -28% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Owyhee County, Idaho, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +15% in high season.

Owyhee County vs. Idaho Traffic Comparison

Owyhee County's biggest difference from the Idaho average is its average daily traffic per road, 84% below it. Its truck share, by contrast, is 24% above.

MetricOwyhee CountyIdaho averageDifference
Traffic9175,734-84.0%
Truck % (Total Traffic)12.0%9.7%+24.3%
Truck % (Highway)14.4%14.1%+2.4%
Avg. Travel Time35.4 min33.8 min+4.6%

How Owyhee County compares

Owyhee County moves the least traffic of its nearby counties

Compared with its 4 closest neighbours, Owyhee County moves 3.2% of the total daily travel and carries 83.6% less traffic on a typical road; it has the quietest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.

Owyhee 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
Owyhee County91712.0%147,43135.4 min5.1%
Ada County, Idaho9,2926.3%9,986,22832.6 min22.5%
Canyon County, Idaho6,4667.2%4,736,86135.5 min18.8%
Elmore County, Idaho4,55818.7%2,556,88130.2 min3.6%
Gooding County, Idaho2,06118.6%958,69534.2 min4.2%
Idaho average5,7349.7%N/A33.8 min16.0%

Owyhee County ranked within Idaho

No county-level area in Idaho records a lower highway travel volume than Owyhee County.

Owyhee County ranked among 44 county-level areas in Idaho (1 = highest); measures without data in every county rank a smaller field, down to 35.
MeasureOwyhee CountyIdaho rank
Traffic volume (AADT)917#43 of 44
Highway vehicle-miles per day59,065#35 of 35
Truck share on highways14.4%#11 of 35
Highway trucks per day365#34 of 35
Average travel time35.4 min#14 of 44
Average driver income$67,008#31 of 44
Average driver age47.2 yrs#20 of 44

Owyhee County ranks #11 of 35 on truck share on highways but #35 of 35 on highway travel volume - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Owyhee County, Idaho

On their busiest stretches, the three busiest roads in Owyhee County carry 2,981 vehicles a day on average, 3.3 times the typical road in the county (917).

ID 55 leads with 4,421 vehicles a day, 486 of them trucks (11.0%). That is 57% more than the next road, Idaho Avenue (2,812). It tops the truck ranking too, with the most trucks.

Drivers on ID 51 / ID 78 come from neighborhoods with an average household income of $47,683, 29% below the county average of $67,008.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1ID 55Trunk road · 4,421vehicles486trucks · 11.0%
Road class
Trunk road
Median trip time
40.8 min
Drivers’ median age
46.9 yrs
Drivers’ average income
$66,960

The busiest stretch of ID 55 carries 4.8 times the county average; trucks are 11.0% of it, below the county-wide 12.0%.

2Idaho AvenueSecondary road · 2,812vehicles199trucks · 7.1%
Road class
Secondary road
Congestion ratio
6.1%
Median trip time
29.8 min
Drivers’ median age
46.0 yrs
Drivers’ average income
$68,875

On its busiest stretch, Idaho Avenue carries 3.1 times the county average; trucks are 7.1% of it, below the county-wide 12.0%.

3US 95Trunk road · 1,711vehicles248trucks · 14.5%
Road class
Trunk road
Congestion ratio
5.8%
Median trip time
42.6 min
Drivers’ median age
48.1 yrs
Drivers’ average income
$68,296

US 95 peaks at 1,711 vehicles a day, 87% more than the county average; trucks are 14.5% of it, above the county-wide 12.0%.

4Main StreetTertiary road · 1,633vehicles84trucks · 5.2%
Road class
Tertiary road
Median trip time
30.6 min
Drivers’ median age
47.2 yrs
Drivers’ average income
$64,560

Main Street carries 78% more than the county average at its busiest, 84 of them trucks (5.2%, below the county-wide 12.0%).

5ID 45Primary road · 1,505vehicles130trucks · 8.7%
Road class
Primary road
Median trip time
33.3 min
Drivers’ median age
47.0 yrs
Drivers’ average income
$74,259

ID 45 carries 64% more than the county average on its busiest stretch, where the median trip lasts 33.3 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1ID 55Trunk road · #1 by traffic4,421vehicles486trucks · 11.0%
2US 95Trunk road · #3 by traffic1,711vehicles248trucks · 14.5%
3Idaho AvenueSecondary road · #2 by traffic2,812vehicles199trucks · 7.1%
4Marsing Murphy RoadPrimary road · 1,316vehicles151trucks · 11.5%
Road class
Primary road
Median trip time
38.4 min
Drivers’ median age
47.6 yrs
Drivers’ average income
$73,361

At 44% more than the county average, Marsing Murphy Road draws drivers from neighborhoods averaging $73,361 in household income.

5ID 51 / ID 78Primary road · 1,207vehicles146trucks · 12.1%
Road class
Primary road
Median trip time
33.2 min
Drivers’ median age
52.4 yrs
Drivers’ average income
$47,683

ID 51 / ID 78 is busy by local standards, at 32% more than the county average on its busiest stretch; trucks are 12.1% of it, in line with the county-wide 12.0%.

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

OwyheeDepartment 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 Owyhee County

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

Need segment-level traffic data?

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