This page delivers traffic analytics for Carroll County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Carroll County, Iowa among 299 road miles divided in 1,997 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 792 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.
2,653
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.4 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.
3.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$71,925
Our data indicates an estimated average traffic volume of 2,653 vehicles per day in Carroll County, Iowa that results in 534,914 vehicle-miles traveled per day (≈195 million per year). The traffic stream is comprised of an average of 1 truck for every 12 vehicles. Typical time spent behind the wheel per trip is 34.4 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Carroll sees 13% lower average daily traffic volume than the state average (2,653 vehicles per day against 3,042), suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 534,914 vehicle-miles traveled per day (≈195 million per year), roughly 0.6% of Iowa's statewide total. At 34.4 minutes, the average travel time is 4% higher than the state level. At 70% lower than the state level, the 3.4% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. Carroll carries more traffic than 84% of counties in Iowa. Its average travel time of 34.4 minutes is longer than 61% of counties in Iowa.
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.
5,041
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
38.0 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$71,732
A significant volume of traffic in Carroll County, Iowa utilizes the highway network. The average highway carries 5,041 vehicles per day, 112% more than the average non-highway road in the same area, which carries 2,380 vehicles per day. That average covers 28 highway road miles divided in 205 segments (average segment length 712 ft), together carrying 118,251 vehicle-miles traveled per day (≈43.2 million per year). Trucks constitute 11.1% of highway traffic.
Analytical insight
The concentration of trucks on highways (11.1%) is 31% lower than the state average for similar road classifications. This indicates Carroll serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Carroll's highway truck share (11.1%) is higher than 13% of counties in Iowa. Carroll's highway truck count is higher than 17% of counties in Iowa, at roughly 562 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,380
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
34.0 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.
3.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$71,978
The non-highway road network in Carroll County, Iowa supports a substantial volume of traffic. The average non-highway road carries 2,380 vehicles per day, 53% less than the average highway in the same area, which carries 5,041 vehicles per day. That average covers 272 non-highway road miles divided in 1,792 segments (average segment length 801 ft), together carrying 416,663 vehicle-miles traveled per day (≈152 million per year). Trucks constitute 7.8% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 30% lower than on highways. Non-highway congestion (3.4%) runs 69% lower than the state average, pointing to smoother local traffic flow. Carroll's overall average travel time exceeds 61% of counties in Iowa. 51% of counties in Iowa see lower average driver income among trip origins than Carroll. The driver population here skews older than 55% of counties in Iowa.
Time-of-Day & Seasonal Patterns
Analytical insight
In Carroll County, Iowa, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Carroll
Iowa
Average
Difference
Traffic
2,653
3,042
-12.8%
Truck % (Total Traffic)
8.6%
11.0%
-22.2%
Truck % (Highway)
11.1%
16.1%
-30.8%
Avg. Travel Time
34.4 min
33.0 min
+4.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,653 vehicles per day, providing a baseline for daily operations and site assessment.
Carroll carries more traffic than 84% of counties in Iowa, averaging 2,653 vehicles per day.
The average travel time for drivers is 34.4 minutes, offering a standard metric for commute and delivery route planning.
Drivers on Carroll roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $71,925 - useful context for retail siting and customer profiling.
Trucks account for approximately 8.6% of the total traffic mix across all road types, with a significantly higher concentration of 11.1% on highways.
Approximately 12% of highway traffic and 10% of non-highway traffic consists of vehicles whose trip originates outside Carroll County, Iowa. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
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)
