This page delivers traffic analytics for Grant County, Washington. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Grant County, Washington among 1,036 road miles divided in 6,664 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 821 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.
3,497
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.8 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.
11.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$75,800
Our data indicates an estimated average traffic volume of 3,497 vehicles per day in Grant County, Washington that results in 3,043,381 vehicle-miles traveled per day (≈1.1 billion per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 33.8 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Washington state averages: Grant's average daily traffic volume is 52% lower than the state average - 3,497 vehicles per day against 7,322 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Grant accounts for about 2.0% of Washington's statewide total, at 3,043,381 vehicle-miles traveled per day (≈1.1 billion per year). At 33.8 minutes, the average travel time is 2% higher than the state level. The congestion ratio of 11.2% is 44% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 50% of counties in Washington see less traffic than Grant's 3,497 vehicles per day. On travel time, Grant runs longer than 50% 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.
8,987
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
16.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
44.0 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.
20.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$80,462
A significant volume of traffic in Grant County, Washington utilizes the highway network. The average highway carries 8,987 vehicles per day, 187% more than the average non-highway road in the same area, which carries 3,133 vehicles per day. That average covers 160 highway road miles divided in 415 segments (average segment length 2,041 ft), together carrying 1,348,611 vehicle-miles traveled per day (≈492 million per year). By highway travel volume, Grant outranks 56% of counties in Washington. Trucks constitute 16.0% of highway traffic.
Analytical insight
Highway truck concentration here runs 68% higher than the state average, at 16.0% - positioning Grant as a significant freight corridor. For logistics operators, this validates the importance of highway access. Grant's highway truck share (16.0%) is higher than 88% of counties in Washington. 59% of counties in Washington see fewer highway trucks per day than Grant's roughly 1,434.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,133
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.0%
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.
10.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$73,889
The non-highway road network in Grant County, Washington supports a substantial volume of traffic. The average non-highway road carries 3,133 vehicles per day, 65% less than the average highway in the same area, which carries 8,987 vehicles per day. That average covers 875 non-highway road miles divided in 6,249 segments (average segment length 739 ft), together carrying 1,694,769 vehicle-miles traveled per day (≈619 million per year). Trucks constitute 8.0% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 50% fewer trucks by share. Non-highway congestion (10.5%) runs 46% lower than the state average, pointing to smoother local traffic flow. 50% of counties in Washington see shorter overall travel times than Grant. Trip origins here have higher average income than 42% of counties in Washington. Grant's median driver age is higher than 18% 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–8:00 PM, with volumes reaching approximately 75% 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 +27% versus the annual average.
Lowest month:
January is the quietest month, with volumes -33% versus the annual average.
Analytical insight
In Grant County, Washington, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +27% in high season.
Traffic Flow Profile Comparison
Metric
Grant
Washington
Average
Difference
Traffic
3,497
7,322
-52.2%
Truck % (Total Traffic)
11.5%
7.1%
+61.5%
Truck % (Highway)
16.0%
9.5%
+67.8%
Avg. Travel Time
33.8 min
33.2 min
+2.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,497 vehicles per day, providing a baseline for daily operations and site assessment.
Grant's highway truck share of 16.0% is higher than 88% of counties in Washington.
Drivers on Grant roads have a median age of 44 years, and the median household income of the neighborhoods trips originate from averages $75,800 - useful context for retail siting and customer profiling.
The average travel time for drivers is 33.8 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 11.5% of the total traffic mix across all road types, with a significantly higher concentration of 16.0% on highways.
Traffic volumes are typically 27% higher during June–August. Volumes drop to their lowest levels in January, averaging 2,353 vehicles per day - a 33% decrease from the annual average.
Approximately 9% of highway traffic and 2% of non-highway traffic consists of vehicles whose trip originates outside Grant County, Washington. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 2:00 PM and 8:00 PM in the evening - about 75% above the daily average.
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)
