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Traffic heat map of Columbia County, Wisconsin: 655 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 39

Columbia County, Wisconsin Traffic Counts

Its busiest road, I 39, carries 56,911 vehicles a day, 21.2 times the average road. This page breaks down traffic in Columbia County, Wisconsin across 655 miles of monitored roads split into 6,994 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 Columbia County, Wisconsin

Traffic

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

vehicles per day2,686
Trucks

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

14.6%
Average travel time

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

32.2 min
Congestion ratio

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

8.9%
Drivers’ average age

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

48.4 yrs
Drivers’ average income

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

$82,943

The average monitored road in Columbia County, Wisconsin carries 2,686 vehicles per day. Across its 655 miles of monitored roads, that adds up to 2,721,460 vehicle-miles traveled per day (≈993 million per year). At 14.6%, the truck share runs above the 10.2% across Wisconsin: about 1 in 7 vehicles.

Busier roads than 65% of counties in Wisconsin

Columbia's average daily traffic volume is 29% lower than the state average - 2,686 vehicles per day against 3,802 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Columbia accounts for about 2.0% of Wisconsin's statewide total of vehicle-miles. By volume, Columbia's 2,686 vehicles per day outpaces 65% of counties in Wisconsin.

The average trip takes 32.2 minutes, on par with the state level. Its average travel time of 32.2 minutes is shorter than 58% of counties in Wisconsin.

At 29% lower than the state level, the 8.9% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Columbia County, Wisconsin

Trafficvehicles per day14,710
Trucks18.6%
Average travel time56.2 min
Congestion ratio20.6%
Drivers’ average age47.9 yrs
Drivers’ average income$83,337

Highways carry more than half of all travel in Columbia County, Wisconsin (61% of vehicle-miles). The average highway carries 14,710 vehicles per day, 532% more than the average non-highway road in the same area, which carries 2,328 vehicles per day.

That comes from just 14% of the monitored road miles: 93 miles in 202 segments, carrying 1,663,450 vehicle-miles traveled per day (≈607 million per year).

88% of counties in Wisconsin move less traffic on their highways.

More highway trucks than 91% of counties in Wisconsin

Highway truck concentration here runs 26% higher than the state average, at 18.6%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Columbia's highway truck share (18.6%) is higher than 84% of counties in Wisconsin. Columbia's highway truck count is higher than 91% of counties in Wisconsin, at roughly 2,730 trucks per day.

non-highway traffic icon

Non-highway Traffic in Columbia County, Wisconsin

Trafficvehicles per day2,328
Trucks8.4%
Average travel time31.5 min
Congestion ratio8.5%
Drivers’ average age49.2 yrs
Drivers’ average income$82,672

Local roads carry a significant share of travel in Columbia County, Wisconsin: 39% of all vehicle-miles. On the average non-highway road, that comes to 2,328 vehicles per day.

Spread over 561 miles and 6,792 segments, 86% of the road network, local roads carry a lighter load per mile: 1,058,010 vehicle-miles traveled per day (≈386 million per year). Trucks make up 8.4% of non-highway traffic, about 1 in 12 vehicles.

Drivers from higher-income areas than 80% of counties in Wisconsin

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

The non-highway congestion ratio of 8.5% is 30% lower than the state level, suggesting more efficient local mobility than the state average.

80% of counties in Wisconsin see lower average driver income among trip origins than Columbia. Columbia's median driver age is lower than 72% of counties in Wisconsin.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 9:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 89% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (+2%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +18% versus the annual average.
Lowest month:
January is the quietest month, with volumes -20% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Columbia County, Wisconsin, the peak hour concentrates about 8% of the day's traffic, and there is a strong seasonal swing of +18% in high season.

Columbia County vs. Wisconsin Traffic Comparison

The truck share sets Columbia County apart: 44% above the Wisconsin average. Its average daily traffic per road, by contrast, is 29% below.

MetricColumbia CountyWisconsin averageDifference
Traffic2,6863,802-29.4%
Truck % (Total Traffic)14.6%10.2%+43.9%
Truck % (Highway)18.6%14.7%+26.3%
Avg. Travel Time32.2 min32.2 min+0.1%

How Columbia County compares

Columbia County moves more traffic than any nearby county

Compared with its 4 closest neighbours, Columbia County moves 2.1 times the total daily travel; it has the second busiest roads of the five. Traffic volume here matches the areas around it, but more of that traffic is trucks - a difference in what routes through, not in how much.

Columbia 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
Columbia County2,68614.6%2,721,46032.2 min8.9%
Green Lake County, Wisconsin1,8128.0%365,39733.3 min8.8%
Marquette County, Wisconsin1,26713.3%567,29435.8 min6.0%
Sauk County, Wisconsin3,59413.4%1,926,83732.6 min11.2%
Dodge County, Wisconsin2,41810.2%2,319,15738.0 min8.3%
Wisconsin average3,80210.2%N/A32.2 min12.6%

Columbia County ranked within Wisconsin

Columbia County sits in the top quarter of the Wisconsin field on highway truck volume, at #6 of 58.

Columbia County ranked among 72 county-level areas in Wisconsin (1 = highest); measures without data in every county rank a smaller field, down to 58.
MeasureColumbia CountyWisconsin rank
Traffic volume (AADT)2,686#26 of 72
Highway vehicle-miles per day1,663,450#8 of 58
Truck share on highways18.6%#10 of 58
Highway trucks per day2,730#6 of 58
Average travel time32.2 min#42 of 72
Average driver income$82,943#15 of 72
Average driver age48.4 yrs#52 of 72

Busiest roads in Columbia County, Wisconsin

The three busiest roads in Columbia County average 49,625 vehicles a day, 18.5 times the county average of 2,686 across all its monitored roads.

I 39 leads with 56,911 vehicles a day, 10,353 of them trucks (18.2%). Revolutionary War Veterans Memorial Bridge is practically level with it at 55,404. It also carries the most trucks.

Trips using I 90 are long: a median of 58.4 minutes against 32.2 county-wide, the mark of a through route.

Freight stands out on I 90: trucks are 23.6% of the traffic there, against 14.6% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 39Motorway · 56,911vehicles10,353trucks · 18.2%
Road class
Motorway
Congestion ratio
35.2%
Median trip time
56.7 min
Drivers’ median age
47.5 yrs
Drivers’ average income
$87,983

Delays build on I 39: its congestion ratio of 35% over free-flow time is well above the county's 9%.

2Revolutionary War Veterans Memorial BridgeMotorway · 55,404vehicles9,519trucks · 17.2%
Road class
Motorway
Median trip time
57.8 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$81,594

Drivers on Revolutionary War Veterans Memorial Bridge are on long journeys, a median 57.8 minutes against 32.2 county-wide: a through route more than a local street.

3I 90Motorway · 36,559vehicles8,643trucks · 23.6%
Road class
Motorway
Congestion ratio
34.2%
Median trip time
58.4 min
Drivers’ median age
48.9 yrs
Drivers’ average income
$73,879

Travel on I 90's busiest stretch runs 34% over free-flow time, against 9% across the county, so expect slower peak hours.

4US 151Motorway · 21,705vehicles3,150trucks · 14.5%
Road class
Motorway
Congestion ratio
21.7%
Median trip time
50.6 min
Drivers’ median age
45.3 yrs
Drivers’ average income
$86,159

US 151 carries 8.1 times the county average on its busiest stretch, where the median trip lasts 50.6 minutes.

5New Pinery RoadPrimary road · 13,918vehicles813trucks · 5.8%
Road class
Primary road
Congestion ratio
15.5%
Median trip time
27.1 min
Drivers’ median age
49.6 yrs
Drivers’ average income
$71,087

At 5.2 times the county average, New Pinery Road draws drivers from neighborhoods averaging $71,087 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 39Motorway · #1 by traffic56,911vehicles10,353trucks · 18.2%
2Revolutionary War Veterans Memorial BridgeMotorway · #2 by traffic55,404vehicles9,519trucks · 17.2%
3I 90Motorway · #3 by traffic36,559vehicles8,643trucks · 23.6%
4US 151Motorway · #4 by traffic21,705vehicles3,150trucks · 14.5%
5BroadwayPrimary road · 12,404vehicles974trucks · 7.8%
Road class
Primary road
Congestion ratio
14.4%
Median trip time
33.3 min
Drivers’ median age
51.2 yrs
Drivers’ average income
$66,447

Broadway carries 4.6 times the county average at its busiest, 974 of them trucks (7.8%, below the county-wide 14.6%).

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

ColumbiaDepartment 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 Columbia County

The same traffic breakdown for the areas closest to Columbia County, Wisconsin.

Need segment-level traffic data?

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