This page delivers traffic analytics for Washington County, Oregon. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Washington County, Oregon among 960 road miles divided in 34,721 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 146 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
7,980
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.4 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
21.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$110,375
Our data indicates an estimated average traffic volume of 7,980 vehicles per day in Washington County, Oregon that results in 9,063,245 vehicle-miles traveled per day (≈3.3 billion per year). The traffic stream is comprised of an average of 1 truck for every 17 vehicles. Typical time spent behind the wheel per trip is 33.4 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Oregon state averages: At 7,980 vehicles per day, the average monitored road in Washington carries 35% more traffic than the state average of 5,908 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 9,063,245 vehicle-miles traveled per day (≈3.3 billion per year), roughly 10% of Oregon's statewide total. The average trip takes 33.4 minutes, 3% lower than the state level. At 28% higher than the state level, the 21.1% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. By volume, Washington's 7,980 vehicles per day outpaces 97% of counties in Oregon. Its average travel time of 33.4 minutes is longer than 29% of counties in Oregon.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
22,117
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
37.5 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
42.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$106,025
A significant volume of traffic in Washington County, Oregon utilizes the highway network. The average highway carries 22,117 vehicles per day, 200% more than the average non-highway road in the same area, which carries 7,365 vehicles per day. That average covers 131 highway road miles divided in 1,448 segments (average segment length 479 ft), together carrying 3,875,256 vehicle-miles traveled per day (≈1.4 billion per year). That puts Washington among the top 3 counties in Oregon for highway travel volume. Trucks constitute 7.5% of highway traffic.
Analytical insight
Highway truck concentration here runs 38% lower than the state average, at 7.5% - positioning Washington as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Washington's highway truck share (7.5%) is higher than 9% of counties in Oregon. Washington's highway truck count is higher than 88% of counties in Oregon, at roughly 1,650 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
7,365
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
20.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$112,988
The non-highway road network in Washington County, Oregon supports a substantial volume of traffic. The average non-highway road carries 7,365 vehicles per day, 67% less than the average highway in the same area, which carries 22,117 vehicles per day. That average covers 829 non-highway road miles divided in 33,273 segments (average segment length 131 ft), together carrying 5,187,989 vehicle-miles traveled per day (≈1.9 billion per year). Trucks constitute 4.6% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 38% lower than the highway network. At 25% higher than the state level, the non-highway congestion ratio of 20.2% signals more friction on local roads. Washington's overall average travel time exceeds 29% of counties in Oregon. At $110,375, the average driver income for trips originating here is the highest in Oregon. Washington's median driver age is higher than 3% of counties in Oregon.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 8:00 AM–12:00 PM and PM peak 3:00 PM–5:00 PM, with volumes reaching approximately 86% higher than the daily average.
Weekend traffic:
Weekend volumes run about 3% above weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +24% versus the annual average.
Lowest month:
February is the quietest month, with volumes -19% versus the annual average.
Analytical insight
In Washington County, Oregon, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is pronounced at +24% in high season.
Traffic Flow Profile Comparison
Metric
Washington
Oregon
Average
Difference
Traffic
7,980
5,908
+35.1%
Truck % (Total Traffic)
5.8%
9.2%
-36.7%
Truck % (Highway)
7.5%
12.0%
-37.8%
Avg. Travel Time
33.4 min
34.3 min
-2.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 7,980 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Washington has the highest average driver income of any county in Oregon, at $110,375.
Traffic volumes are typically 24% higher during June–August. Volumes drop to their lowest levels in February, averaging 6,426 vehicles per day - a 19% decrease from the annual average.
Weekday peaks occur between 8:00 AM and 12:00 PM in the morning and between 3:00 PM and 5:00 PM in the evening - about 86% above the daily average.
Drivers on Washington roads have a median age of 43 years, and the median household income of the neighborhoods trips originate from averages $110,375 - useful context for retail siting and customer profiling.
Trucks account for approximately 5.8% of the total traffic mix across all road types, with a significantly higher concentration of 7.5% on highways.
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)
