This page delivers traffic analytics for Warren County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Warren County, Iowa among 394 road miles divided in 4,693 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 443 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.
4,004
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
30.9 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.
14.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$93,845
Our data indicates an estimated average traffic volume of 4,004 vehicles per day in Warren County, Iowa that results in 1,984,945 vehicle-miles traveled per day (≈725 million 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 30.9 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Warren sees 32% higher average daily traffic volume than the state average (4,004 vehicles per day against 3,042), suggesting more demand on each road - a critical factor for logistics and site planning. Network-wide, Warren accounts for about 2.4% of Iowa's statewide total, at 1,984,945 vehicle-miles traveled per day (≈725 million per year). At 30.9 minutes, the average travel time is 6% lower than the state level. At 26% higher than the state level, the 14.5% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. By volume, Warren's 4,004 vehicles per day outpaces 95% of counties in Iowa. On travel time, Warren runs longer than 14% 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.
9,743
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
16.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
38.2 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.
20.8%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$92,768
A significant volume of traffic in Warren County, Iowa utilizes the highway network. The average highway carries 9,743 vehicles per day, 158% more than the average non-highway road in the same area, which carries 3,777 vehicles per day. That average covers 95 highway road miles divided in 179 segments (average segment length 2,791 ft), together carrying 1,050,116 vehicle-miles traveled per day (≈383 million per year). That is more highway travel volume than 88% of counties in Iowa. Trucks constitute 16.6% of highway traffic.
Analytical insight
Highway truck concentration here runs 3% higher than the state average, at 16.6% - positioning Warren as a significant freight corridor. For logistics operators, this validates the importance of highway access. 64% of counties in Iowa see a lower highway truck share than Warren's 16.6%. By raw truck volume, Warren carries more highway trucks than 78% of counties in Iowa.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,777
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
30.6 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.
14.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$94,480
The non-highway road network in Warren County, Iowa supports a substantial volume of traffic. The average non-highway road carries 3,777 vehicles per day, 61% less than the average highway in the same area, which carries 9,743 vehicles per day. That average covers 299 non-highway road miles divided in 4,514 segments (average segment length 350 ft), together carrying 934,829 vehicle-miles traveled per day (≈341 million per year). Trucks constitute 6.2% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 63% lower than the highway network. At 28% higher than the state level, the non-highway congestion ratio of 14.2% signals more friction on local roads. Overall, average travel time here is longer than 14% of counties in Iowa. 98% of counties in Iowa see lower average driver income among trip origins than Warren. Warren's median driver age is higher than 7% of counties in Iowa.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 78% higher than the daily average.
Weekend traffic:
Weekend volumes run about 11% below weekday levels.
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +10% versus the annual average.
Lowest month:
January is the quietest month, with volumes -18% versus the annual average.
Analytical insight
In Warren County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +10% in high season.
Traffic Flow Profile Comparison
Metric
Warren
Iowa
Average
Difference
Traffic
4,004
3,042
+31.6%
Truck % (Total Traffic)
11.7%
11.0%
+5.8%
Truck % (Highway)
16.6%
16.1%
+2.8%
Avg. Travel Time
30.9 min
33.0 min
-6.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 4,004 vehicles per day, providing a baseline for daily operations and site assessment.
Warren's average travel time of 30.9 minutes is longer than 14% of counties in Iowa.
Weekday peaks occur between 7:00 AM and 8:00 AM in the morning and between 3:00 PM and 7:00 PM in the evening - about 78% above the daily average.
Traffic volumes are typically 10% higher during June–August. Volumes drop to their lowest levels in January, averaging 3,266 vehicles per day - a 18% decrease from the annual average.
Trucks account for approximately 11.7% of the total traffic mix across all road types, with a significantly higher concentration of 16.6% on highways.
Drivers on Warren roads have a median age of 45 years, and the median household income of the neighborhoods trips originate from averages $93,845 - useful context for retail siting and customer profiling.
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)
