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Traffic heat map of Jefferson County, Indiana: 156 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Clifty Drive and SR 56

Jefferson County, Indiana Traffic Counts

TrafficZoom tracks traffic on 156 road miles in Jefferson County, Indiana, divided into 2,746 segments averaging 300 ft. About 1 in 14 vehicles here is a truck, against 1 in 8 across Indiana. 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 Jefferson County, Indiana

Traffic

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

vehicles per day4,645
Trucks

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

7.0%
Average travel time

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

31.9 min
Congestion ratio

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

11.8%
Drivers’ average age

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

48.3 yrs
Drivers’ average income

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

$64,019

Our data shows 4,645 vehicles per day on the average road in Jefferson County, Indiana, and 548,202 vehicle-miles traveled per day (≈200 million per year) across its 156 miles of monitored roads. Traffic here is mostly passenger cars: only 7.0% trucks, against 12.1% across Indiana.

Shorter trips than 85% of counties in Indiana

At 4,645 vehicles per day, the average monitored road in Jefferson carries 19% less traffic than the state average of 5,704, suggesting less demand on each road - a critical factor for logistics and site planning. Across the whole network, that travel is about 0.3% of Indiana's statewide total. Jefferson carries more traffic than 66% of counties in Indiana.

Journey times here (31.9 minutes on average) closely track the state level. 85% of counties in Indiana have a longer average travel time than Jefferson's 31.9 minutes.

Congestion runs 24% lower than the state level, at a ratio of 11.8%, which means smoother traffic flow - crucial for traffic control improvement and logistics planning.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 81% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 19% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +8% 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 Jefferson County, Indiana, the peak hour concentrates about 8% of the day's traffic, and there is a noticeable seasonal swing of +8% in high season.

Jefferson County vs. Indiana Traffic Comparison

Jefferson County's biggest difference from the Indiana average is its truck share, 43% below it. Its average daily traffic per road is also 19% below.

MetricJefferson CountyIndiana averageDifference
Traffic4,6455,704-18.6%
Truck % (Total Traffic)7.0%12.1%-42.6%
Avg. Travel Time31.9 min33.5 min-4.9%

How Jefferson County compares

Jefferson County has the lowest truck share of its nearby counties

Set against the average of the 4 areas nearest to it, Jefferson County runs 8.5 percentage points less truck traffic; it has the third busiest roads of the five.

Jefferson County and the 4 nearest county-level areas by centroid distance, with the Indiana average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Jefferson County4,6457.0%548,20231.9 min11.8%
Trimble County, Kentucky2,54015.0%316,12333.3 min8.5%
Scott County, Indiana5,75416.5%700,73732.5 min16.7%
Jennings County, Indiana5,5728.3%450,87034.8 min16.8%
Carroll County, Kentucky3,18822.1%912,82134.5 min15.6%
Indiana average5,70412.1%N/A33.5 min15.6%

Jefferson County ranked within Indiana

Jefferson County sits in the bottom quarter of the Indiana field on average driver income, at #80 of 92.

Jefferson County ranked among 92 county-level areas in Indiana (1 = highest).
MeasureJefferson CountyIndiana rank
Traffic volume (AADT)4,645#32 of 92
Average travel time31.9 min#78 of 92
Average driver income$64,019#80 of 92
Average driver age48.3 yrs#41 of 92

Busiest roads in Jefferson County, Indiana

The three busiest roads in Jefferson County average 13,310 vehicles a day, 2.9 times the county average of 4,645 across all its monitored roads.

Clifty Drive is the busiest road, at 15,722 vehicles a day, 970 of them trucks (6.2%). It tops the truck ranking too, with the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Clifty DrivePrimary road · 15,722vehicles970trucks · 6.2%
Road class
Primary road
Congestion ratio
19.7%
Median trip time
29.8 min
Drivers’ median age
48.6 yrs
Drivers’ average income
$63,387

Clifty Drive peaks at 15,722 vehicles a day, 3.4 times the county average; trucks are 6.2% of it, below the county-wide 7.0%.

2SR 56Primary road · 13,172vehicles775trucks · 5.9%
Road class
Primary road
Congestion ratio
31.5%
Median trip time
31.2 min
Drivers’ median age
48.4 yrs
Drivers’ average income
$63,755

Travel on SR 56's busiest stretch runs 32% over free-flow time, against 12% across the county, so expect slower peak hours.

3Lagrange RoadPrimary road · 11,037vehicles577trucks · 5.2%
Road class
Primary road
Congestion ratio
25.8%
Median trip time
35.0 min
Drivers’ median age
48.1 yrs
Drivers’ average income
$65,453

Lagrange Road is one of the more congested roads here: trips take 26% longer than at free-flow speed, against 12% county-wide.

4Main StreetPrimary road · 7,750vehicles381trucks · 4.9%
Road class
Primary road
Congestion ratio
12.0%
Median trip time
32.6 min
Drivers’ median age
48.3 yrs
Drivers’ average income
$64,149

Main Street peaks at 7,750 vehicles a day, 67% more than the county average; trucks are 4.9% of it, below the county-wide 7.0%.

5Green RoadPrimary road · 7,526vehicles497trucks · 6.6%
Road class
Primary road
Congestion ratio
16.9%
Median trip time
27.4 min
Drivers’ median age
48.8 yrs
Drivers’ average income
$62,582

Green Road carries 62% more than the county average at its busiest, 497 of them trucks (6.6%, below the county-wide 7.0%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1Clifty DrivePrimary road · #1 by traffic15,722vehicles970trucks · 6.2%
2SR 56Primary road · #2 by traffic13,172vehicles775trucks · 5.9%
3Lagrange RoadPrimary road · #3 by traffic11,037vehicles577trucks · 5.2%
4Green RoadPrimary road · #5 by traffic7,526vehicles497trucks · 6.6%
5Clifty Hollow RoadPrimary road · 7,113vehicles456trucks · 6.4%
Road class
Primary road
Congestion ratio
16.3%
Median trip time
29.5 min
Drivers’ median age
48.2 yrs
Drivers’ average income
$65,237

Clifty Hollow Road carries 53% more than the county average on its busiest stretch, where the median trip lasts 29.5 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

JeffersonDepartment 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 Jefferson County

The same traffic breakdown for the areas closest to Jefferson County, Indiana.

Need segment-level traffic data?

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