This page delivers traffic analytics for Madison County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Madison County, Iowa among 242 road miles divided in 2,948 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 433 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.
2,517
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
28.7 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.
10.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$89,978
Our data indicates an estimated average traffic volume of 2,517 vehicles per day in Madison County, Iowa that results in 480,482 vehicle-miles traveled per day (≈175 million per year). The traffic stream is comprised of an average of 1 truck for every 11 vehicles. Typical time spent behind the wheel per trip is 28.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Iowa state averages: Madison sees 17% lower average daily traffic volume than the state average (2,517 vehicles per day against 3,042), suggesting less demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries 480,482 vehicle-miles traveled per day (≈175 million per year), about 0.6% of Iowa's statewide total. At 28.7 minutes, the average travel time is 13% lower than the state level. The congestion ratio of 10.1% is 12% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. By volume, Madison's 2,517 vehicles per day outpaces 80% of counties in Iowa. Its average travel time of 28.7 minutes is longer than 3% 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.
10,487
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
24.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
57.7 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
44.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$88,262
A significant volume of traffic in Madison County, Iowa utilizes the highway network. The average highway carries 10,487 vehicles per day, 318% more than the average non-highway road in the same area, which carries 2,507 vehicles per day. That average covers 5 highway road miles divided in 4 segments (average segment length 5,966 ft), together carrying 47,117 vehicle-miles traveled per day (≈17.2 million per year). Trucks constitute 24.5% of highway traffic.
Analytical insight
The concentration of trucks on highways (24.5%) is 52% higher than the state average for similar road classifications. This indicates Madison serves as a significant freight corridor. For logistics operators, this validates the importance of highway access. Madison's highway truck share (24.5%) is higher than 93% of counties in Iowa. By raw truck volume, Madison carries more highway trucks than 94% 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.
2,507
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.
28.7 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.
10.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
46.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$90,061
The non-highway road network in Madison County, Iowa supports a substantial volume of traffic. The average non-highway road carries 2,507 vehicles per day, 76% less than the average highway in the same area, which carries 10,487 vehicles per day. That average covers 237 non-highway road miles divided in 2,944 segments (average segment length 425 ft), together carrying 433,365 vehicle-miles traveled per day (≈158 million per year). Trucks constitute 7.2% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 71% lower than the highway network. At 9% lower than the state level, the non-highway congestion ratio of 10.1% signals easier movement on local roads. Overall, average travel time here is longer than 3% of counties in Iowa. Trip origins here have higher average income than 95% of counties in Iowa. Madison's median driver age is higher than 16% 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 79% higher than the daily average.
Weekend traffic:
Weekend volumes run about 13% below weekday levels.
Seasonal Fluctuation
Busy season:
September–November is the high season, with volumes +5% versus the annual average.
Lowest month:
January is the quietest month, with volumes -13% versus the annual average.
Analytical insight
In Madison County, Iowa, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +5% in high season.
Traffic Flow Profile Comparison
Metric
Madison
Iowa
Average
Difference
Traffic
2,517
3,042
-17.2%
Truck % (Total Traffic)
8.9%
11.0%
-19.3%
Truck % (Highway)
24.5%
16.1%
+52.2%
Avg. Travel Time
28.7 min
33.0 min
-13.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,517 vehicles per day, providing a baseline for daily operations and site assessment.
Madison carries more highway trucks by raw volume than 94% of counties in Iowa, at roughly 2,570 per day.
Trucks account for approximately 8.9% of the total traffic mix across all road types, with a significantly higher concentration of 24.5% on highways.
Approximately 93% of highway traffic and 9% of non-highway traffic consists of vehicles whose trip originates outside Madison 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.
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 79% above the daily average.
Drivers on Madison roads have a median age of 46 years, and the median household income of the neighborhoods trips originate from averages $89,978 - useful context for retail siting and customer profiling.
Traffic volumes are typically 5% higher during September–November. Volumes drop to their lowest levels in January, averaging 2,194 vehicles per day - a 13% decrease from the annual average.
The average travel time for drivers is 28.7 minutes, offering a standard metric for commute and delivery route planning.
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)
