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Traffic heat map of Worth County, Iowa: 229 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Avenue of the Saints and I 35

Worth County, Iowa Traffic Counts

About 1 in 5 vehicles here is a truck, against 1 in 9 across Iowa. This page breaks down traffic in Worth County, Iowa across 229 miles of monitored roads split into 1,686 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
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 Worth County, Iowa

Traffic

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

vehicles per day1,244
Trucks

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

18.8%
Average travel time

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

33.6 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

5.3%
Drivers’ average age

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

52.5 yrs
Drivers’ average income

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

$79,643

The average monitored road in Worth County, Iowa carries 1,244 vehicles per day. Across its 229 miles of monitored roads, that adds up to 527,608 vehicle-miles traveled per day (≈193 million per year). Freight weighs heavily here: trucks are 18.8% of traffic, against 11.0% across Iowa.

Quieter roads than 82% of counties in Iowa

Worth sees 59% lower average daily traffic volume than the state average (1,244 vehicles per day against 3,042), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Worth accounts for about 0.6% of Iowa's statewide total of vehicle-miles. By volume, Worth's 1,244 vehicles per day trails 82% of counties in Iowa.

Journey times here (33.6 minutes on average) closely track the state level. Its average travel time of 33.6 minutes is longer than 50% of counties in Iowa.

Congestion runs 54% lower than the state level, at a ratio of 5.3%, which means smoother traffic flow - delays are rare enough to plan travel times almost to the minute.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Worth County, Iowa

Trafficvehicles per day8,770
Trucks23.6%
Average travel time58.6 min
Congestion ratio18.5%
Drivers’ average age53.2 yrs
Drivers’ average income$82,087

Highways carry more than half of all travel in Worth County, Iowa (67% of vehicle-miles). The average highway carries 8,770 vehicles per day, 685% more than the average non-highway road in the same area, which carries 1,117 vehicles per day.

Yet highways are only 17% of the road network, 39 miles in 28 segments, so each mile of them is 3.9 times as busy as the average road mile.

By highway travel volume, Worth outranks 57% of counties in Iowa.

Higher highway truck share than 90% of counties in Iowa

At 23.6%, highway truck share is 47% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.

90% of counties in Iowa see a lower highway truck share than Worth's 23.6%. Worth's highway truck count is higher than 90% of counties in Iowa, at roughly 2,070 trucks per day.

non-highway traffic icon

Non-highway Traffic in Worth County, Iowa

Trafficvehicles per day1,117
Trucks9.1%
Average travel time33.2 min
Congestion ratio5.0%
Drivers’ average age52.1 yrs
Drivers’ average income$78,852

Local roads carry a significant share of travel in Worth County, Iowa: 33% of all vehicle-miles. A typical local road sees 1,117 vehicles per day.

Local roads make up 83% of the monitored road miles (190 miles in 1,658 segments) but carry less than their share of travel: 175,532 vehicle-miles traveled per day (≈64.1 million per year). The truck share on non-highway roads is 9.1%.

Older drivers than 88% of counties in Iowa

Compared to highways, non-highway routes see 62% fewer trucks by share.

The non-highway congestion ratio of 5.0% is 55% lower than the state level, suggesting more efficient local mobility than the state average.

Trip origins here have higher average income than 77% of counties in Iowa. 88% of counties in Iowa have a younger driver population than Worth.

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 68% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 22% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +16% versus the annual average.
Lowest month:
January is the quietest month, with volumes -16% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Worth County, Iowa, the peak hour concentrates about 7% of the day's traffic, and there is a strong seasonal swing of +16% in high season.

Worth County vs. Iowa Traffic Comparison

Of the four measures, truck share differs most: Worth County runs 70% above the Iowa average. Its average daily traffic per road, by contrast, is 59% below.

MetricWorth CountyIowa averageDifference
Traffic1,2443,042-59.1%
Truck % (Total Traffic)18.8%11.0%+70.5%
Truck % (Highway)23.6%16.1%+46.6%
Avg. Travel Time33.6 min33.0 min+1.9%

How Worth County compares

Worth County against nearby counties

Compared with its 4 closest neighbours, Worth County runs 6.2 percentage points more truck traffic and is 24.1% less congested; it has the fourth busiest roads of the five. Freight passes through here that never reaches the areas around it: the truck share is high precisely because the local car traffic is not.

Worth 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
Worth County1,24418.8%527,60833.6 min5.3%
Freeborn County, Minnesota1,42019.0%1,399,32530.3 min7.6%
Cerro Gordo County, Iowa2,83613.1%1,261,56135.3 min8.9%
Mitchell County, Iowa1,0969.2%178,15132.4 min5.2%
Winnebago County, Iowa1,3228.9%198,50029.9 min6.1%
Iowa average3,04211.0%N/A33.0 min11.4%

Worth County ranked within Iowa

Worth County sits in the top quarter of the Iowa field on truck share on highways, at #8 of 70.

Worth County ranked among 99 county-level areas in Iowa (1 = highest); measures without data in every county rank a smaller field, down to 70.
MeasureWorth CountyIowa rank
Traffic volume (AADT)1,244#81 of 99
Highway vehicle-miles per day352,076#31 of 70
Truck share on highways23.6%#8 of 70
Highway trucks per day2,070#8 of 70
Average travel time33.6 min#50 of 99
Average driver income$79,643#24 of 99
Average driver age52.5 yrs#13 of 99

The two ends of this table sit far apart: #8 of 70 on truck share on highways, against #81 of 99 on average daily traffic volume.

Busiest roads in Worth County, Iowa

On their busiest stretches, the three busiest roads in Worth County carry 13,112 vehicles a day on average, 10.5 times the typical road in the county (1,244).

Avenue of the Saints leads with 18,205 vehicles a day, 4,323 of them trucks (23.8%). I 35 is practically level with it at 18,002. It tops the truck ranking too, with the most trucks.

Trips using I 35 are long: a median of 63.8 minutes against 33.6 county-wide, the mark of a through route.

Few trucks use South Street: 7.9% of its traffic, under half the county's 18.8%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Avenue of the SaintsMotorway · 18,205vehicles4,323trucks · 23.8%
Road class
Motorway
Congestion ratio
18.5%
Median trip time
58.3 min
Drivers’ median age
53.2 yrs
Drivers’ average income
$81,780

Avenue of the Saints is one of the more congested roads here: trips take 19% longer than at free-flow speed, against 5% county-wide.

2I 35Motorway · 18,002vehicles4,070trucks · 22.6%
Road class
Motorway
Median trip time
63.8 min
Drivers’ median age
52.2 yrs
Drivers’ average income
$91,504

A main artery: I 35's busiest stretch carries 14.5 times the county average; trucks are 22.6% of it, above the county-wide 18.8%.

3South StreetPrimary road · 3,130vehicles246trucks · 7.9%
Road class
Primary road
Congestion ratio
6.9%
Median trip time
28.9 min
Drivers’ median age
52.6 yrs
Drivers’ average income
$77,218

South Street peaks at 3,130 vehicles a day, 2.5 times the county average; trucks are 7.9% of it, below the county-wide 18.8%.

4Orchid AvenuePrimary road · 2,833vehicles252trucks · 8.9%
Road class
Primary road
Congestion ratio
7.4%
Median trip time
28.9 min
Drivers’ median age
52.4 yrs
Drivers’ average income
$73,987

Orchid Avenue carries 2.3 times the county average at its busiest, 252 of them trucks (8.9%, below the county-wide 18.8%).

58th StreetPrimary road · 2,604vehicles249trucks · 9.6%
Road class
Primary road
Congestion ratio
6.1%
Median trip time
42.9 min
Drivers’ median age
53.5 yrs
Drivers’ average income
$73,602

8th Street carries 2.1 times the county average on its busiest stretch, where the median trip lasts 42.9 minutes.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Avenue of the SaintsMotorway · #1 by traffic18,205vehicles4,323trucks · 23.8%
2I 35Motorway · #2 by traffic18,002vehicles4,070trucks · 22.6%
3Orchid AvenuePrimary road · #4 by traffic2,833vehicles252trucks · 8.9%
410th StreetPrimary road · 2,340vehicles250trucks · 10.7%
Road class
Primary road
Congestion ratio
5.4%
Median trip time
33.6 min
Drivers’ median age
54.7 yrs
Drivers’ average income
$70,166

10th Street carries 88% more than the county average at its busiest, 250 of them trucks (10.7%, below the county-wide 18.8%).

58th StreetPrimary road · #5 by traffic2,604vehicles249trucks · 9.6%
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

WorthDepartment 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 Worth County

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

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.