This page delivers traffic analytics for Grays Harbor County, Washington. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Grays Harbor County, Washington among 503 road miles divided in 6,672 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 398 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.
3,474
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.7 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.
11.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$68,895
Our data indicates an estimated average traffic volume of 3,474 vehicles per day in Grays Harbor County, Washington that results in 1,774,898 vehicle-miles traveled per day (≈648 million per year). The traffic stream is comprised of an average of 1 truck for every 13 vehicles. Typical time spent behind the wheel per trip is 34.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Washington state averages: Grays Harbor's average daily traffic volume is 53% lower than the state average - 3,474 vehicles per day against 7,322 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 1,774,898 vehicle-miles traveled per day (≈648 million per year), roughly 1.1% of Washington's statewide total. At 34.7 minutes, the average travel time is 5% higher than the state level. At 42% lower than the state level, the 11.4% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. By volume, Grays Harbor's 3,474 vehicles per day outpaces 47% of counties in Washington. Its average travel time of 34.7 minutes is longer than 68% of counties in Washington.
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.
7,754
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.4 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.
20.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.2 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$68,313
A significant volume of traffic in Grays Harbor County, Washington utilizes the highway network. The average highway carries 7,754 vehicles per day, 200% more than the average non-highway road in the same area, which carries 2,582 vehicles per day. That average covers 151 highway road miles divided in 1,151 segments (average segment length 693 ft), together carrying 1,011,380 vehicle-miles traveled per day (≈369 million per year). Trucks constitute 8.8% of highway traffic.
Analytical insight
At 8.8%, highway truck share is 8% lower than the state average, marking Grays Harbor as a primarily local traffic hub - underscoring the importance of local access for logistics operators. By truck concentration, highways here outrank 31% of counties in Washington. Grays Harbor's highway truck count is higher than 34% of counties in Washington, at roughly 679 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,582
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.7 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.
9.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$69,794
The non-highway road network in Grays Harbor County, Washington supports a substantial volume of traffic. The average non-highway road carries 2,582 vehicles per day, 67% less than the average highway in the same area, which carries 7,754 vehicles per day. That average covers 351 non-highway road miles divided in 5,521 segments (average segment length 336 ft), together carrying 763,518 vehicle-miles traveled per day (≈279 million per year). Trucks constitute 6.1% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 31% lower than the highway network. At 51% lower than the state level, the non-highway congestion ratio of 9.6% signals easier movement on local roads. 68% of counties in Washington see shorter overall travel times than Grays Harbor. 24% of counties in Washington see lower average driver income among trip origins than Grays Harbor. Grays Harbor's median driver age is higher than 63% of counties in Washington.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 2:00 PM–5:00 PM, with volumes reaching approximately 91% higher than the daily average.
Weekend traffic:
Weekend volumes run about 7% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +21% versus the annual average.
Lowest month:
December is the quietest month, with volumes -22% versus the annual average.
Analytical insight
In Grays Harbor County, Washington, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is pronounced at +21% in high season.
Traffic Flow Profile Comparison
Metric
Grays Harbor
Washington
Average
Difference
Traffic
3,474
7,322
-52.6%
Truck % (Total Traffic)
7.6%
7.1%
+6.7%
Truck % (Highway)
8.8%
9.5%
-7.9%
Avg. Travel Time
34.7 min
33.2 min
+4.6%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,474 vehicles per day, providing a baseline for daily operations and site assessment.
Grays Harbor's average travel time of 34.7 minutes is longer than 68% of counties in Washington.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 2:00 PM and 5:00 PM in the evening - about 91% above the daily average.
Drivers on Grays Harbor roads have a median age of 50 years, and the median household income of the neighborhoods trips originate from averages $68,895 - useful context for retail siting and customer profiling.
Approximately 3% of highway traffic and 3% of non-highway traffic consists of vehicles whose trip originates outside Grays Harbor County, Washington.
Trucks account for approximately 7.6% of the total traffic mix across all road types, with a significantly higher concentration of 8.8% 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)
