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Adams County, Iowa Traffic Counts

This page delivers traffic analytics for Adams County, Iowa. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Adams County, Iowa among 110 road miles divided in 891 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 654 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.
Data current as of:
Q3 2026
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Total Traffic Volume & Performance

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

982

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

9.5%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

38.9 min

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

54.4 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$64,629

Our data indicates an estimated average traffic volume of 982 vehicles per day in Adams County, Iowa that results in 108,629 vehicle-miles traveled per day (≈39.6 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 38.9 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Iowa state averages: Adams sees 68% lower average daily traffic volume than the state average (982 vehicles per day against 3,042), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Adams accounts for about 0.1% of Iowa's statewide total, at 108,629 vehicle-miles traveled per day (≈39.6 million per year). At 38.9 minutes, the average travel time is 18% higher than the state level. Adams carries more traffic than 6% of counties in Iowa. Its average travel time of 38.9 minutes is longer than 91% of counties in Iowa.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
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Non-highway traffic

Traffic

Traffic

The average number of vehicles that travel each day over any road in the road network.

982

Trucks

Trucks

The percentage of the total traffic volume composed of heavy vehicles.

9.5%

Average travel time

Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

38.9 min

Drivers’ average age

Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

54.4 yrs

Drivers’ average income

Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$64,629

The non-highway road network in Adams County, Iowa supports a substantial volume of traffic. The average non-highway road carries 982 vehicles per day. That average covers 110 non-highway road miles divided in 891 segments (average segment length 654 ft), together carrying 108,629 vehicle-miles traveled per day (≈39.6 million per year). Trucks constitute 9.5% of non-highway traffic.

Analytical insight

91% of counties in Iowa see shorter overall travel times than Adams. 10% of counties in Iowa see lower average driver income among trip origins than Adams. The driver population here skews older than 99% of counties in Iowa.

Time-of-Day & Seasonal Patterns

Analytical insight

In Adams County, Iowa, the peak hour concentrates about 7% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Adams

Iowa
Average

Difference

Traffic

982

3,042

-67.7%

Truck % (Total Traffic)

9.5%

11.0%

-13.7%

Truck % (Highway)

16.1%

Avg. Travel Time

38.9 min

33.0 min

+17.9%

How Adams County compares

Adams County against nearby areas

Set against the average of the 4 areas nearest to it, Adams County moves 32.9% of the total daily travel and carries 44.4% less traffic on a typical road; it has the fourth busiest roads of the five. Quieter and more local than the areas around it on both counts: less traffic, and less of what there is arriving by truck.

Adams County and the 4 nearest county-level areas by centroid distance, with the Iowa average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Adams County9829.5%108,62938.9 minN/A
Taylor County, Iowa7989.8%128,03930.6 minN/A
Union County, Iowa2,5287.6%249,51531.5 min4.8%
Montgomery County, Iowa1,9339.1%246,57534.7 minN/A
Adair County, Iowa1,81024.8%694,62035.6 minN/A
Iowa average3,04211.0%N/A33.0 min11.4%

Adams County ranked within Iowa

Adams County sits in Iowa's top three on average driver age.

Where Adams County sits among Iowa's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasureAdams CountyIowa rank
Traffic volume (AADT)982#93 of 99
Average travel time38.9 min#10 of 99
Average driver income$64,629#89 of 99
Average driver age54.4 yrs#2 of 99

Adams County ranks #10 of 99 on average travel time but #93 of 99 on average daily traffic volume. Some of the longest trips in Iowa on some of its emptiest roads - distance, not congestion, is what sets travel time here.

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)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

IowaDepartment of Transportation

Historical traffic pattern databases

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
TrafficZoom methodology
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Data current as of:
Q3 2026

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Counties near Adams County

The same traffic breakdown for the areas closest to Adams County, Iowa.

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