This page delivers traffic analytics for Lee County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Lee County, Iowa among 403 road miles divided in 3,037 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 701 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.
2,066
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
36.1 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.
6.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$64,041
Our data indicates an estimated average traffic volume of 2,066 vehicles per day in Lee County, Iowa that results in 764,760 vehicle-miles traveled per day (≈279 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 36.1 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: At 2,066 vehicles per day, the average monitored road in Lee carries 32% less traffic than the state average of 3,042 vehicles per day - a critical factor for logistics and site planning. Network-wide, Lee accounts for about 0.9% of Iowa's statewide total, at 764,760 vehicle-miles traveled per day (≈279 million per year). At 36.1 minutes, the average travel time is 10% higher than the state level. The congestion ratio of 6.0% is 47% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Lee's 2,066 vehicles per day outpaces 69% of counties in Iowa. 78% of counties in Iowa have a shorter average travel time than Lee's 36.1 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.
3,413
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.8%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.8 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.
7.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$63,019
A significant volume of traffic in Lee County, Iowa utilizes the highway network. The average highway carries 3,413 vehicles per day, 76% more than the average non-highway road in the same area, which carries 1,941 vehicles per day. That average covers 109 highway road miles divided in 259 segments (average segment length 2,219 ft), together carrying 378,914 vehicle-miles traveled per day (≈138 million per year). 59% of counties in Iowa move less traffic on their highways. Trucks constitute 14.8% of highway traffic.
Analytical insight
The concentration of trucks on highways (14.8%) is 8% lower than the state average for similar road classifications. This indicates Lee serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 55% of counties in Iowa. Lee's highway truck count is higher than 29% of counties in Iowa, at roughly 505 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,941
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
35.8 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.
5.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
51.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$64,483
The non-highway road network in Lee County, Iowa supports a substantial volume of traffic. The average non-highway road carries 1,941 vehicles per day, 43% less than the average highway in the same area, which carries 3,413 vehicles per day. That average covers 294 non-highway road miles divided in 2,778 segments (average segment length 559 ft), together carrying 385,845 vehicle-miles traveled per day (≈141 million per year). Trucks constitute 7.6% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 49% fewer trucks by share. At 47% lower than the state level, the non-highway congestion ratio of 5.9% signals easier movement on local roads. Overall, average travel time here is longer than 78% of counties in Iowa. Trip origins here have higher average income than 9% of counties in Iowa. The driver population here skews older than 73% of counties in Iowa.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 63% higher than the daily average.
Weekend traffic:
Weekend volumes run about 20% below weekday levels.
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +8% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average.
Analytical insight
In Lee County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +8% in high season.
Traffic Flow Profile Comparison
Metric
Lee
Iowa
Average
Difference
Traffic
2,066
3,042
-32.1%
Truck % (Total Traffic)
11.2%
11.0%
+1.5%
Truck % (Highway)
14.8%
16.1%
-8.1%
Avg. Travel Time
36.1 min
33.0 min
+9.5%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,066 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Lee skews older than 73% of counties in Iowa.
Approximately 23% of highway traffic and 7% of non-highway traffic consists of vehicles whose trip originates outside Lee 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.
Traffic volumes are typically 8% higher during May–July. Volumes drop to their lowest levels in January, averaging 1,761 vehicles per day - a 15% decrease from the annual average.
Drivers on Lee roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $64,041 - useful context for retail siting and customer profiling.
The average travel time for drivers is 36.1 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 11.2% of the total traffic mix across all road types, with a significantly higher concentration of 14.8% 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)
