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Traffic heat map of Washoe County, Nevada: 1,080 miles of roads shaded from blue (light) to red (heavy traffic), busiest on North-South Freeway and I 80

Washoe County, Nevada Traffic Counts

How busy are the roads of Washoe County, Nevada? We measure 1,080 road miles, divided into 21,914 segments, with multi-sourced, cross-verified mobile and sensor data. Its drivers come from the highest-income neighborhoods of any county in Nevada, averaging $94,280. 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 Washoe County, Nevada

Traffic

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

vehicles per day6,232
Trucks

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

7.4%
Average travel time

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

31.4 min
Congestion ratio

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

15.4%
Drivers’ average age

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

44.6 yrs
Drivers’ average income

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

$94,280

Our data shows 6,232 vehicles per day on the average road in Washoe County, Nevada, and 8,670,402 vehicle-miles traveled per day (≈3.2 billion per year) across its 1,080 miles of monitored roads. About 1 in 14 vehicles is a truck, fewer than the 1 in 10 across Nevada.

Busier roads than 88% of counties in Nevada

Washoe sees 21% lower average daily traffic volume than the state average (6,232 vehicles per day against 7,914), suggesting less demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries about 14% of Nevada's statewide total of vehicle-miles. 88% of counties in Nevada see less traffic than Washoe's 6,232 vehicles per day.

At 31.4 minutes, the average travel time is 7% lower than the state level. On travel time, Washoe runs shorter than 62% of counties in Nevada.

Congestion is somewhat lower than the state level, at a ratio of 15.4% (10% lower) - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Washoe County, Nevada

Trafficvehicles per day24,347
Trucks9.7%
Average travel time30.3 min
Congestion ratio45.0%
Drivers’ average age45.5 yrs
Drivers’ average income$90,579

Travel in Washoe County, Nevada splits roughly evenly, with about half of it (50% of vehicle-miles) on highways. The average highway carries 24,347 vehicles per day, 331% more than the average non-highway road in the same area, which carries 5,645 vehicles per day.

With 19% of the road miles (203 miles in 688 segments), highways punch above their length, carrying 4,376,560 vehicle-miles traveled per day (≈1.6 billion per year).

By highway travel volume, that ranks Washoe in the top 3 counties in Nevada.

More highway trucks than 94% of counties in Nevada

Highway truck concentration here runs 29% lower than the state average, at 9.7%. Trucks are a small share of a very large highway flow, so Washoe still moves heavy freight volumes alongside its passenger traffic.

Washoe's highway truck share (9.7%) is lower than 88% of counties in Nevada. 94% of counties in Nevada see fewer highway trucks per day than Washoe's roughly 2,359.

non-highway traffic icon

Non-highway Traffic in Washoe County, Nevada

Trafficvehicles per day5,645
Trucks5.0%
Average travel time31.5 min
Congestion ratio14.4%
Drivers’ average age43.9 yrs
Drivers’ average income$97,098

Travel in Washoe County, Nevada splits roughly evenly, with about half of it (50% of vehicle-miles) on local roads. The average non-highway road carries 5,645 vehicles per day.

Local roads make up 81% of the monitored road miles (877 miles in 21,226 segments) but carry less than their share of travel: 4,293,842 vehicle-miles traveled per day (≈1.6 billion per year). About 1 in 20 vehicles on non-highway roads is a truck (5.0%).

The highest driver income of any county in Nevada

Compared to highways, non-highway routes see 48% fewer trucks by share.

At 17% lower than the state level, the non-highway congestion ratio of 14.4% signals easier movement on local roads.

At $94,280, the average driver income for trips originating here is the highest in Nevada. Washoe's median driver age is lower than 81% of counties in Nevada.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 3:00 PM–5:00 PM, with volumes reaching approximately 79% 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 +6% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Washoe County, Nevada, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +6% in high season.

Washoe County vs. Nevada Traffic Comparison

The highway truck share sets Washoe County apart: 29% below the Nevada average. Its truck share is also 24% below.

MetricWashoe CountyNevada averageDifference
Traffic6,2327,914-21.3%
Truck % (Total Traffic)7.4%9.7%-24.0%
Truck % (Highway)9.7%13.6%-28.5%
Avg. Travel Time31.4 min33.8 min-6.9%

How Washoe County compares

Washoe County moves more traffic than any nearby county

Against the 4 nearest areas, Washoe County moves 12.0 times the total daily travel and carries 189.1% more traffic on a typical road; it has the busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.

Washoe County and the 4 nearest county-level areas by centroid distance, with the Nevada average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Washoe County6,2327.4%8,670,40231.4 min15.4%
Lassen County, California3,12212.2%1,133,55041.2 min9.0%
Pershing County, Nevada1,35628.4%1,012,14240.1 min4.9%
Plumas County, California2,4108.9%470,47337.2 min9.4%
Modoc County, California1,73313.4%265,51435.8 min3.2%
Nevada average7,9149.7%N/A33.8 min17.1%

Washoe County ranked within Nevada

On average driver income, Washoe County tops the Nevada field outright.

Washoe County ranked among 17 county-level areas in Nevada (1 = highest).
MeasureWashoe CountyNevada rank
Traffic volume (AADT)6,232#3 of 17
Highway vehicle-miles per day4,376,560#2 of 17
Truck share on highways9.7%#15 of 17
Highway trucks per day2,359#2 of 17
Average travel time31.4 min#11 of 17
Average driver income$94,280#1 of 17
Average driver age44.6 yrs#14 of 17

Washoe County ranks #1 of 17 on average driver income but #15 of 17 on truck share on highways - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Washoe County, Nevada

Traffic concentrates on a few corridors: the three busiest roads average 49,833 vehicles a day, against 6,232 on the average road in Washoe County.

North-South Freeway is the busiest road, at 58,663 vehicles a day, 4,251 of them trucks (7.2%). I 80 carries the most trucks, 5,329 a day (10.5% of its traffic), although it ranks #2 for all traffic.

Freight stands out on Martin Luther King Jr Memorial Hwy: trucks are 13.2% of the traffic there, against 7.4% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1North-South FreewayMotorway · 58,663vehicles4,251trucks · 7.2%
Road class
Motorway
Congestion ratio
53.8%
Median trip time
29.6 min
Drivers’ median age
45.5 yrs
Drivers’ average income
$90,564

Delays build on North-South Freeway: its congestion ratio of 54% over free-flow time is well above the county's 15%.

2I 80Motorway · 50,682vehicles5,329trucks · 10.5%
Road class
Motorway
Congestion ratio
52.3%
Median trip time
30.8 min
Drivers’ median age
44.8 yrs
Drivers’ average income
$85,735

Travel on I 80's busiest stretch runs 52% over free-flow time, against 15% across the county, so expect slower peak hours.

3Martin Luther King Jr Memorial HighwayMotorway · 40,153vehicles4,357trucks · 10.8%
Road class
Motorway
Congestion ratio
31.3%
Median trip time
37.8 min
Drivers’ median age
50.0 yrs
Drivers’ average income
$98,126

Martin Luther King Jr Memorial Highway is a trunk route for the county, carrying 6.4 times the county average on its busiest stretch; trucks are 10.8% of it, above the county-wide 7.4%.

4I 580Motorway · 37,658vehicles2,931trucks · 7.8%
Road class
Motorway
Congestion ratio
45.3%
Median trip time
36.8 min
Drivers’ median age
50.0 yrs
Drivers’ average income
$95,386

I 580 carries 6.0 times the county average at its busiest, 2,931 of them trucks (7.8%, above the county-wide 7.4%).

5Carson City Deputy Sheriff Carl Howell Memorial FreewayMotorway · 37,027vehicles2,688trucks · 7.3%
Road class
Motorway
Median trip time
37.2 min
Drivers’ median age
50.1 yrs
Drivers’ average income
$93,845

Carson City Deputy Sheriff Carl Howell Memorial Freeway carries 5.9 times the county average on its busiest stretch, where the median trip lasts 37.2 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 80Motorway · #2 by traffic50,682vehicles5,329trucks · 10.5%
2Martin Luther King Jr Memorial HighwayMotorway · #3 by traffic40,153vehicles4,357trucks · 10.8%
3Martin Luther King Jr Memorial HwyMotorway · 32,185vehicles4,258trucks · 13.2%
Road class
Motorway
Median trip time
35.0 min
Drivers’ median age
49.1 yrs
Drivers’ average income
$102,992

At 5.2 times the county average, Martin Luther King Jr Memorial Hwy draws drivers from neighborhoods averaging $102,992 in household income.

4North-South FreewayMotorway · #1 by traffic58,663vehicles4,251trucks · 7.2%
5I 580Motorway · #4 by traffic37,658vehicles2,931trucks · 7.8%
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

WashoeDepartment 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 Washoe County

The same traffic breakdown for the areas closest to Washoe County, Nevada.

Need segment-level traffic data?

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