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Traffic heat map of Fond du Lac County, Wisconsin: 719 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 41 and Johnson Street

Fond du Lac County, Wisconsin Traffic Counts

Our Fond du Lac County, Wisconsin traffic data covers 10,845 road segments over 719 road miles, with an average segment of just 350 ft. Its busiest road, I 41, carries 42,710 vehicles a day, 13.9 times the average road. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
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 Fond du Lac County, Wisconsin

Traffic

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

vehicles per day3,068
Trucks

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

11.1%
Average travel time

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

35.1 min
Congestion ratio

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

10.7%
Drivers’ average age

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

49.2 yrs
Drivers’ average income

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

$84,045

A typical monitored road in Fond du Lac County, Wisconsin sees 3,068 vehicles per day, while its 719 miles of monitored roads together handle 2,742,797 vehicle-miles traveled per day (≈1.0 billion per year). About 1 in 9 vehicles is a truck, in line with Wisconsin (10.2%).

Longer trips than 80% of counties in Wisconsin

Fond du Lac sees 19% lower average daily traffic volume than the state average (3,068 vehicles per day against 3,802), suggesting less demand on each road - a factor worth weighing in site selection and logistics planning. Network-wide, Fond du Lac accounts for about 2.1% of Wisconsin's statewide total of vehicle-miles. 70% of counties in Wisconsin see less traffic than Fond du Lac's 3,068 vehicles per day.

At 35.1 minutes, the average travel time is 9% higher than the state level. 80% of counties in Wisconsin have a shorter average travel time than Fond du Lac's 35.1 minutes.

The congestion ratio of 10.7% runs slightly lower than the state level (15% lower) - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Fond du Lac County, Wisconsin

Trafficvehicles per day8,067
Trucks14.3%
Average travel time51.5 min
Congestion ratio19.7%
Drivers’ average age49.8 yrs
Drivers’ average income$87,521

A little more than half of the driving in Fond du Lac County, Wisconsin happens on highways: 58% of all vehicle-miles. The average highway carries 8,067 vehicles per day, 187% more than the average non-highway road in the same area, which carries 2,808 vehicles per day.

Yet highways are only 19% of the road network, 137 miles in 535 segments, so each mile of them is 3.0 times as busy as the average road mile.

By highway travel volume, Fond du Lac outranks 86% of counties in Wisconsin.

A typical mix of freight and passenger traffic

Highway truck concentration here (14.3%) closely tracks the state average for similar road classifications. The highway traffic mix is typical for Wisconsin: neither freight- nor commuter-dominated.

By truck concentration, highways here outrank 56% of counties in Wisconsin. 63% of counties in Wisconsin see fewer highway trucks per day than Fond du Lac's roughly 1,156.

non-highway traffic icon

Non-highway Traffic in Fond du Lac County, Wisconsin

Trafficvehicles per day2,808
Trucks6.7%
Average travel time34.2 min
Congestion ratio10.2%
Drivers’ average age49.0 yrs
Drivers’ average income$82,063

Local roads carry a significant share of travel in Fond du Lac County, Wisconsin: 42% of all vehicle-miles. The average non-highway road carries 2,808 vehicles per day.

Local roads make up 81% of the monitored road miles (582 miles in 10,310 segments) but carry less than their share of travel: 1,165,011 vehicle-miles traveled per day (≈425 million per year). The truck share on non-highway roads is 6.7%.

Drivers from higher-income areas than 82% of counties in Wisconsin

Non-highway roads carry a truck concentration that's 54% lower than the highway network.

At 16% lower than the state level, the non-highway congestion ratio of 10.2% signals easier movement on local roads.

Fond du Lac's average driver income is higher than 82% of counties in Wisconsin. Fond du Lac's median driver age is lower than 61% of counties in Wisconsin.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 85% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 6% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +17% versus the annual average.
Lowest month:
January is the quietest month, with volumes -17% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Fond du Lac County, Wisconsin, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +17% in high season.

Fond du Lac County vs. Wisconsin Traffic Comparison

Fond du Lac County's biggest difference from the Wisconsin average is its average daily traffic per road, 19% below it.

MetricFond du Lac CountyWisconsin averageDifference
Traffic3,0683,802-19.3%
Truck % (Total Traffic)11.1%10.2%+8.8%
Truck % (Highway)14.3%14.7%-2.5%
Avg. Travel Time35.1 min32.2 min+9.0%

How Fond du Lac County compares

Fond du Lac County against nearby counties

Nothing in this table sets Fond du Lac County sharply apart from the 4 areas nearest to it, though it has the third busiest roads of the five. The same kind of road, simply more of it: traffic per road matches the areas around it while the network itself is larger.

Fond du Lac County and the 4 nearest county-level areas by centroid distance, with the Wisconsin average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Fond du Lac County3,06811.1%2,742,79735.1 min10.7%
Winnebago County, Wisconsin5,2029.8%4,030,36432.2 min13.9%
Green Lake County, Wisconsin1,8128.0%365,39733.3 min8.8%
Dodge County, Wisconsin2,41810.2%2,319,15738.0 min8.3%
Calumet County, Wisconsin3,2267.3%881,28834.5 min10.8%
Wisconsin average3,80210.2%N/A32.2 min12.6%

Fond du Lac County ranked within Wisconsin

Highway travel volume places Fond du Lac County #9 of 58 in Wisconsin - the top quarter of the state.

Fond du Lac County ranked among 72 county-level areas in Wisconsin (1 = highest); measures without data in every county rank a smaller field, down to 58.
MeasureFond du Lac CountyWisconsin rank
Traffic volume (AADT)3,068#22 of 72
Highway vehicle-miles per day1,577,786#9 of 58
Truck share on highways14.3%#26 of 58
Highway trucks per day1,156#22 of 58
Average travel time35.1 min#15 of 72
Average driver income$84,045#14 of 72
Average driver age49.2 yrs#44 of 72

Busiest roads in Fond du Lac County, Wisconsin

On their busiest stretches, the three busiest roads in Fond du Lac County carry 28,779 vehicles a day on average, 9.4 times the typical road in the county (3,068).

I 41 is the busiest road, at 42,710 vehicles a day, 6,268 of them trucks (14.7%). That is 77% more than the next road, Johnson Street (24,086). It tops the truck ranking too, with the most trucks.

WI 26 carries longer journeys than most roads here, with a median trip of 59.6 minutes against 35.1 county-wide.

Johnson Street is busy with cars rather than freight: only 5.1% of its traffic is trucks, against 11.1% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 41Motorway · 42,710vehicles6,268trucks · 14.7%
Road class
Motorway
Congestion ratio
41.6%
Median trip time
54.7 min
Drivers’ median age
49.2 yrs
Drivers’ average income
$84,447

Delays build on I 41: its congestion ratio of 42% over free-flow time is well above the county's 11%.

2Johnson StreetPrimary road · 24,086vehicles1,218trucks · 5.1%
Road class
Primary road
Congestion ratio
37.5%
Median trip time
34.7 min
Drivers’ median age
48.9 yrs
Drivers’ average income
$71,997

Travel on Johnson Street's busiest stretch runs 38% over free-flow time, against 11% across the county, so expect slower peak hours.

3US 151Motorway · 19,540vehicles2,253trucks · 11.5%
Road class
Motorway
Median trip time
53.5 min
Drivers’ median age
48.2 yrs
Drivers’ average income
$82,806

Drivers on US 151 are on long journeys, a median 53.5 minutes against 35.1 county-wide: a through route more than a local street.

4US 45Trunk road · 13,964vehicles1,406trucks · 10.1%
Road class
Trunk road
Congestion ratio
17.3%
Median trip time
39.0 min
Drivers’ median age
50.9 yrs
Drivers’ average income
$95,859

US 45 peaks at 13,964 vehicles a day, 4.6 times the county average; trucks are 10.1% of it, below the county-wide 11.1%.

5Scott StreetPrimary road · 11,123vehicles510trucks · 4.6%
Road class
Primary road
Congestion ratio
13.3%
Median trip time
36.6 min
Drivers’ median age
48.0 yrs
Drivers’ average income
$74,428

Scott Street carries 3.6 times the county average at its busiest, 510 of them trucks (4.6%, below the county-wide 11.1%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 41Motorway · #1 by traffic42,710vehicles6,268trucks · 14.7%
2US 151Motorway · #3 by traffic19,540vehicles2,253trucks · 11.5%
3US 45Trunk road · #4 by traffic13,964vehicles1,406trucks · 10.1%
4Johnson StreetPrimary road · #2 by traffic24,086vehicles1,218trucks · 5.1%
5WI 26Trunk road · 9,142vehicles1,092trucks · 11.9%
Road class
Trunk road
Congestion ratio
21.2%
Median trip time
59.6 min
Drivers’ median age
49.9 yrs
Drivers’ average income
$90,625

WI 26 carries 3.0 times the county average on its busiest stretch, where the median trip lasts 59.6 minutes.

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

Fond du LacDepartment 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 Fond du Lac County

The same traffic breakdown for the areas closest to Fond du Lac County, Wisconsin.

Need segment-level traffic data?

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