This page delivers traffic analytics for Lewis County, Idaho. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Lewis County, Idaho among 69 road miles divided in 424 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 858 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.
1,916
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
27.0 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
57.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$56,872
Our data indicates an estimated average traffic volume of 1,916 vehicles per day in Lewis County, Idaho that results in 116,101 vehicle-miles traveled per day (≈42.4 million per year). The traffic stream is comprised of an average of 1 truck for every 10 vehicles. Typical time spent behind the wheel per trip is 27.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Idaho state averages: Lewis's average daily traffic volume is 67% lower than the state average - 1,916 vehicles per day against 5,734 - suggesting less traffic load per road, a critical factor for logistics and site planning. In total volume terms, its road network carries 116,101 vehicle-miles traveled per day (≈42.4 million per year), about 0.3% of Idaho's statewide total. At 27.0 minutes, the average travel time is 20% lower than the state level. By volume, Lewis's 1,916 vehicles per day outpaces 14% of counties in Idaho. On travel time, Lewis runs longer than 5% of counties in Idaho.
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.
4,178
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
29.8 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
57.7 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$57,824
A significant volume of traffic in Lewis County, Idaho utilizes the highway network. The average highway carries 4,178 vehicles per day, 455% more than the average non-highway road in the same area, which carries 753 vehicles per day. That average covers 37 highway road miles divided in 144 segments (average segment length 1,364 ft), together carrying 100,695 vehicle-miles traveled per day (≈36.8 million per year). Trucks constitute 10.7% of highway traffic.
Analytical insight
The concentration of trucks on highways (10.7%) is 24% lower than the state average for similar road classifications. This indicates Lewis serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Lewis's highway truck share (10.7%) is higher than 50% of counties in Idaho. Lewis's highway truck count is higher than 15% of counties in Idaho, at roughly 447 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
753
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
25.6 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
57.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$54,702
The non-highway road network in Lewis County, Idaho supports a substantial volume of traffic. The average non-highway road carries 753 vehicles per day, 82% less than the average highway in the same area, which carries 4,178 vehicles per day. That average covers 32 non-highway road miles divided in 280 segments (average segment length 598 ft), together carrying 15,406 vehicle-miles traveled per day (≈5.6 million per year). Trucks constitute 7.2% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 32% fewer trucks by share. 5% of counties in Idaho see shorter overall travel times than Lewis. Trip origins here have higher average income than 12% of counties in Idaho. The driver population here skews older than 98% of counties in Idaho.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 82% higher than the daily average.
Weekend traffic:
Weekend volumes run about 14% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +18% versus the annual average.
Lowest month:
January is the quietest month, with volumes -21% versus the annual average.
Analytical insight
In Lewis County, Idaho, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is pronounced at +18% in high season.
Traffic Flow Profile Comparison
Metric
Lewis
Idaho
Average
Difference
Traffic
1,916
5,734
-66.6%
Truck % (Total Traffic)
10.2%
9.7%
+5.9%
Truck % (Highway)
10.7%
14.1%
-24.1%
Avg. Travel Time
27.0 min
33.8 min
-20.1%
Frequently Asked Questions
The average daily traffic volume is calculated at 1,916 vehicles per day, providing a baseline for daily operations and site assessment.
Lewis's average travel time of 27.0 minutes is longer than 5% of counties in Idaho.
Drivers on Lewis roads have a median age of 58 years, and the median household income of the neighborhoods trips originate from averages $56,872 - useful context for retail siting and customer profiling.
Weekday peaks occur between 7:00 AM and 12:00 PM in the morning and between 3:00 PM and 7:00 PM in the evening - about 82% above the daily average.
Traffic volumes are typically 18% higher during June–August. Volumes drop to their lowest levels in January, averaging 1,518 vehicles per day - a 21% decrease from the annual average.
The average travel time for drivers is 27.0 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 10.2% of the total traffic mix across all road types, with a significantly higher concentration of 10.7% 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)
