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Traffic heat map of Guthrie County, Iowa: 234 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Main Street and Northeast 3rd Street

Guthrie County, Iowa Traffic Counts

TrafficZoom tracks traffic on 234 road miles in Guthrie County, Iowa, divided into 2,029 segments averaging 608 ft. Its busiest road, Main Street, carries 7,680 vehicles a day, 5.1 times the average road. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Guthrie County, Iowa

Traffic

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

vehicles per day1,518
Trucks

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

8.9%
Average travel time

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

33.1 min
Drivers’ average age

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

51.4 yrs
Drivers’ average income

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

$81,712

A typical monitored road in Guthrie County, Iowa sees 1,518 vehicles per day, while its 234 miles of monitored roads together handle 258,318 vehicle-miles traveled per day (≈94.3 million per year). Trucks are a smaller part of the mix than across Iowa: 8.9% against 11.0%.

Traffic 50% below the Iowa average

Guthrie's average daily traffic volume is 50% lower than the state average - 1,518 vehicles per day against 3,042 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.3% of Iowa's statewide total of vehicle-miles. By volume, Guthrie's 1,518 vehicles per day trails 57% of counties in Iowa.

Journey times here (33.1 minutes on average) closely track the state level. 56% of counties in Iowa have a longer average travel time than Guthrie's 33.1 minutes.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 7:00 AM to 12:00 PM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 72% higher than the daily average.
Weekend traffic:
Weekends are busier than weekdays: volumes run about 11% above weekday levels, which usually points to leisure, tourism or shopping traffic.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +40% versus the annual average.
Lowest month:
February is the quietest month, with volumes -45% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Guthrie County, Iowa, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +40% in high season.

Guthrie County vs. Iowa Traffic Comparison

The average daily traffic per road sets Guthrie County apart: 50% below the Iowa average. Its truck share is also 19% below.

MetricGuthrie CountyIowa averageDifference
Traffic1,5183,042-50.1%
Truck % (Total Traffic)8.9%11.0%-18.8%
Avg. Travel Time33.1 min33.0 min+0.2%

How Guthrie County compares

Guthrie County against nearby counties

Set against the average of the 4 areas nearest to it, Guthrie County moves 33.5% of the total daily travel and carries 31.1% less traffic on a typical road; it has the third busiest roads of the five. Smaller and quieter on both counts: a shorter network than the areas around it, carrying lighter traffic across it.

Guthrie 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
Guthrie County1,5188.9%258,31833.1 minN/A
Audubon County, Iowa1,32212.2%150,31633.5 min4.6%
Greene County, Iowa9059.8%203,71141.5 min11.2%
Dallas County, Iowa3,93310.0%2,199,40327.6 min13.0%
Carroll County, Iowa2,6538.6%534,91434.4 min3.4%
Iowa average3,04211.0%N/A33.0 min11.4%

Guthrie County ranked within Iowa

Average driver income places Guthrie County #18 of 99 in Iowa - the top quarter of the state.

Guthrie County ranked among 99 county-level areas in Iowa (1 = highest).
MeasureGuthrie CountyIowa rank
Traffic volume (AADT)1,518#56 of 99
Average travel time33.1 min#56 of 99
Average driver income$81,712#18 of 99
Average driver age51.4 yrs#31 of 99

Busiest roads in Guthrie County, Iowa

The three busiest roads in Guthrie County average 6,301 vehicles a day, 4.2 times the county average of 1,518 across all its monitored roads.

Main Street leads with 7,680 vehicles a day, 470 of them trucks (6.1%). It tops the truck ranking too, with the most trucks.

Trips using George P. Soumas Memorial Highway are long: a median of 53.3 minutes against 33.1 county-wide, the mark of a through route.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Main StreetPrimary road · 7,680vehicles470trucks · 6.1%
Road class
Primary road
Median trip time
32.4 min
Drivers’ median age
50.1 yrs
Drivers’ average income
$84,288

A main artery: Main Street's busiest stretch carries 5.1 times the county average; trucks are 6.1% of it, below the county-wide 8.9%.

2Northeast 3rd StreetPrimary road · 6,809vehicles389trucks · 5.7%
Road class
Primary road
Median trip time
25.9 min
Drivers’ median age
53.2 yrs
Drivers’ average income
$85,850

Northeast 3rd Street carries 4.5 times the county average on its busiest stretch, where the median trip lasts 25.9 minutes.

3IA 44Primary road · 4,414vehicles352trucks · 8.0%
Road class
Primary road
Median trip time
38.4 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$84,121

At 2.9 times the county average, IA 44 draws drivers from neighborhoods averaging $84,121 in household income.

4State StreetPrimary road · 3,832vehicles322trucks · 8.4%
Road class
Primary road
Median trip time
29.8 min
Drivers’ median age
52.2 yrs
Drivers’ average income
$80,287

The busiest stretch of State Street carries 2.5 times the county average; trucks are 8.4% of it, below the county-wide 8.9%.

5240th StreetPrimary road · 3,542vehicles306trucks · 8.6%
Road class
Primary road
Median trip time
39.9 min
Drivers’ median age
46.3 yrs
Drivers’ average income
$83,153

On its busiest stretch, 240th Street carries 2.3 times the county average; trucks are 8.6% of it, in line with the county-wide 8.9%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Main StreetPrimary road · #1 by traffic7,680vehicles470trucks · 6.1%
2Northeast 3rd StreetPrimary road · #2 by traffic6,809vehicles389trucks · 5.7%
3IA 44Primary road · #3 by traffic4,414vehicles352trucks · 8.0%
4George P. Soumas Memorial HighwayPrimary road · 2,955vehicles327trucks · 11.1%
Road class
Primary road
Median trip time
53.3 min
Drivers’ median age
51.6 yrs
Drivers’ average income
$80,259

George P. Soumas Memorial Highway carries 95% more than the county average at its busiest, 327 of them trucks (11.1%, above the county-wide 8.9%).

5State StreetPrimary road · #4 by traffic3,832vehicles322trucks · 8.4%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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

GuthrieDepartment of Transportation

Demographic Baseline for O-D Modeling

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

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Counties near Guthrie County

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

Need segment-level traffic data?

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