This page delivers traffic analytics for Cassia County, Idaho. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Cassia County, Idaho among 406 road miles divided in 1,829 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 1,172 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.
4,238
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
24.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.2 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.
3.0%
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.
$73,522
Our data indicates an estimated average traffic volume of 4,238 vehicles per day in Cassia County, Idaho that results in 1,392,072 vehicle-miles traveled per day (≈508 million per year). The traffic stream is comprised of an average of 1 truck for every 4 vehicles. Typical time spent behind the wheel per trip is 35.2 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Idaho state averages: Cassia sees 26% lower average daily traffic volume than the state average (4,238 vehicles per day against 5,734), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Cassia accounts for about 3.1% of Idaho's statewide total, at 1,392,072 vehicle-miles traveled per day (≈508 million per year). At 35.2 minutes, the average travel time is 4% higher than the state level. Congestion runs 81% lower than the state level, at a ratio of 3.0% - smoother traffic flow - crucial for traffic control improvement and logistics planning. 70% of counties in Idaho see less traffic than Cassia's 4,238 vehicles per day. 65% of counties in Idaho have a shorter average travel time than Cassia's 35.2 minutes.
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.
5,436
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
30.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
64.1 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.
12.9%
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.
$76,499
A significant volume of traffic in Cassia County, Idaho utilizes the highway network. The average highway carries 5,436 vehicles per day, 30% more than the average non-highway road in the same area, which carries 4,177 vehicles per day. That average covers 176 highway road miles divided in 89 segments (average segment length 10,432 ft), together carrying 1,004,085 vehicle-miles traveled per day (≈366 million per year). By highway travel volume, Cassia outranks 79% of counties in Idaho. Trucks constitute 30.9% of highway traffic.
Analytical insight
Highway truck concentration here runs 119% higher than the state average, at 30.9% - positioning Cassia as a significant freight corridor. For logistics operators, this validates the importance of highway access. By share, Cassia has the highest highway truck concentration in Idaho, at 30.9%. By raw truck volume, Cassia carries more highway trucks than 82% of counties in Idaho.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
4,177
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.5%
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.
2.5%
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.
$72,034
The non-highway road network in Cassia County, Idaho supports a substantial volume of traffic. The average non-highway road carries 4,177 vehicles per day, 23% less than the average highway in the same area, which carries 5,436 vehicles per day. That average covers 230 non-highway road miles divided in 1,740 segments (average segment length 699 ft), together carrying 387,987 vehicle-miles traveled per day (≈142 million per year). Trucks constitute 6.5% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 79% fewer trucks by share. The non-highway congestion ratio of 2.5% is 85% lower than the state level, suggesting more efficient local mobility than the state average. 65% of counties in Idaho see shorter overall travel times than Cassia. Trip origins here have higher average income than 67% of counties in Idaho. The driver population here skews older than 26% 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–6:00 PM, with volumes reaching approximately 72% 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 +20% versus the annual average.
Lowest month:
January is the quietest month, with volumes -25% versus the annual average.
Analytical insight
In Cassia County, Idaho, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +20% in high season.
Traffic Flow Profile Comparison
Metric
Cassia
Idaho
Average
Difference
Traffic
4,238
5,734
-26.1%
Truck % (Total Traffic)
24.1%
9.7%
+149.1%
Truck % (Highway)
30.9%
14.1%
+119.2%
Avg. Travel Time
35.2 min
33.8 min
+4.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 4,238 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Cassia has the highest highway truck share of any county in Idaho, at 30.9%.
Approximately 77% of highway traffic and 25% of non-highway traffic consists of vehicles whose trip originates outside Cassia County, Idaho. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Trucks account for approximately 24.1% of the total traffic mix across all road types, with a significantly higher concentration of 30.9% on highways.
The average travel time for drivers is 35.2 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Cassia roads have a median age of 44 years, and the median household income of the neighborhoods trips originate from averages $73,522 - useful context for retail siting and customer profiling.
Traffic volumes are typically 20% higher during June–August. Volumes drop to their lowest levels in January, averaging 3,190 vehicles per day - a 25% decrease from the annual 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)
