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Traffic heat map of Hardin County, Kentucky: 625 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 65 and Dixie Highway

Hardin County, Kentucky Traffic Counts

How busy are the roads of Hardin County, Kentucky? We measure 625 road miles, divided into 10,081 segments, with multi-sourced, cross-verified mobile and sensor data. It is one of the top 3 counties in Kentucky for highway travel volume. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
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 Hardin County, Kentucky

Traffic

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

vehicles per day4,111
Trucks

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

13.9%
Average travel time

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

30.5 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.

46.2 yrs
Drivers’ average income

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

$71,898

A typical monitored road in Hardin County, Kentucky sees 4,111 vehicles per day, while its 625 miles of monitored roads together handle 3,876,017 vehicle-miles traveled per day (≈1.4 billion per year). Trucks are 13.9% of traffic, more than the 12.1% across Kentucky.

Busier roads than 83% of counties in Kentucky

At 4,111 vehicles per day, the average road in Hardin carries somewhat less traffic than the state average of 4,696 (12% less) - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 3.3% of Kentucky's statewide total of vehicle-miles. 83% of counties in Kentucky see less traffic than Hardin's 4,111 vehicles per day.

Journey times here (30.5 minutes on average) closely track the state level. On travel time, Hardin runs shorter than 56% of counties in Kentucky.

At 20% lower than the state level, the 11.8% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Hardin County, Kentucky

Trafficvehicles per day11,645
Trucks17.7%
Average travel time38.5 min
Congestion ratio27.5%
Drivers’ average age45.9 yrs
Drivers’ average income$70,623

Most travel in Hardin County, Kentucky happens on highways, 70% of all vehicle-miles. The average highway carries 11,645 vehicles per day, 247% more than the average non-highway road in the same area, which carries 3,354 vehicles per day.

Highways make up 32% of the monitored road miles (203 miles, 920 segments), so they carry more than their share: 2,724,586 vehicle-miles traveled per day (≈994 million per year).

No more than 2 other counties in Kentucky move more traffic on their highways.

More highway trucks than 79% of counties in Kentucky

Highway truck concentration here runs 12% higher than the state average, at 17.7%. The highway traffic mix is typical for Kentucky: neither freight- nor commuter-dominated.

By truck concentration, highways here outrank 71% of counties in Kentucky. By raw truck volume, Hardin carries more highway trucks than 79% of counties in Kentucky.

non-highway traffic icon

Non-highway Traffic in Hardin County, Kentucky

Trafficvehicles per day3,354
Trucks5.0%
Average travel time29.7 min
Congestion ratio10.2%
Drivers’ average age46.6 yrs
Drivers’ average income$73,328

At 30% of vehicle-miles, local roads carry a smaller share of the traffic in Hardin County, Kentucky than highways. The average non-highway road carries 3,354 vehicles per day.

Spread over 422 miles and 9,161 segments, 68% of the road network, local roads carry a lighter load per mile: 1,151,431 vehicle-miles traveled per day (≈420 million per year). Trucks make up 5.0% of non-highway traffic, about 1 in 20 vehicles.

Drivers from higher-income areas than 84% of counties in Kentucky

Non-highway roads carry a truck concentration that's 72% lower than the highway network.

The non-highway congestion ratio of 10.2% is 27% lower than the state level, suggesting more efficient local mobility than the state average.

84% of counties in Kentucky see lower average driver income among trip origins than Hardin. The driver population here skews younger than 82% of counties in Kentucky.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Hardin County, Kentucky, the peak hour concentrates about 7% of the day's traffic.

Hardin County vs. Kentucky Traffic Comparison

The truck share sets Hardin County apart: 16% above the Kentucky average.

MetricHardin CountyKentucky averageDifference
Traffic4,1114,696-12.5%
Truck % (Total Traffic)13.9%12.1%+15.8%
Truck % (Highway)17.7%15.9%+11.7%
Avg. Travel Time30.5 min31.7 min-3.7%

How Hardin County compares

Hardin County moves more traffic than any nearby county

Against the 4 nearest areas, Hardin County moves 3.0 times the total daily travel; it has the second busiest roads of the five.

Hardin County and the 4 nearest county-level areas by centroid distance, with the Kentucky average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Hardin County4,11113.9%3,876,01730.5 min11.8%
Larue County, Kentucky2,06318.9%727,32531.1 min6.8%
Nelson County, Kentucky3,72911.9%1,290,66636.5 min9.8%
Bullitt County, Kentucky5,30012.5%2,479,98027.8 min13.9%
Meade County, Kentucky2,8848.2%635,37428.7 min8.2%
Kentucky average4,69612.1%N/A31.7 min14.7%

Hardin County ranked within Kentucky

Hardin County sits in Kentucky's top three on highway travel volume.

Hardin County ranked among 120 county-level areas in Kentucky (1 = highest); measures without data in every county rank a smaller field, down to 115.
MeasureHardin CountyKentucky rank
Traffic volume (AADT)4,111#21 of 120
Highway vehicle-miles per day2,724,586#3 of 115
Truck share on highways17.7%#34 of 115
Highway trucks per day2,065#25 of 115
Average travel time30.5 min#68 of 120
Average driver income$71,898#20 of 120
Average driver age46.2 yrs#99 of 120

The two ends of this table sit far apart: #3 of 115 on highway travel volume, against #99 of 120 on average driver age.

Busiest roads in Hardin County, Kentucky

The three busiest roads in Hardin County average 32,388 vehicles a day, 7.9 times the county average of 4,111 across all its monitored roads.

I 65 is the busiest road, at 49,207 vehicles a day, 12,356 of them trucks (25.1%). That is 2.0 times the next road, Dixie Highway (25,032). It also carries the most trucks.

I 65 carries longer journeys than most roads here, with a median trip of 58.4 minutes against 30.5 county-wide.

Trucks make up 25.1% of traffic on I 65, against 13.9% across all roads in the county.

Few trucks use Dixie Highway: 4.3% of its traffic, under half the county's 13.9%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 65Motorway · 49,207vehicles12,356trucks · 25.1%
Road class
Motorway
Congestion ratio
34.2%
Median trip time
58.4 min
Drivers’ median age
45.8 yrs
Drivers’ average income
$69,488

I 65 is one of the more congested roads here: trips take 34% longer than at free-flow speed, against 12% county-wide.

2Dixie HighwayTrunk road · 25,032vehicles1,077trucks · 4.3%
Road class
Trunk road
Congestion ratio
28.4%
Median trip time
33.8 min
Drivers’ median age
45.6 yrs
Drivers’ average income
$71,577

Dixie Highway carries 6.1 times the county average on its busiest stretch, where the median trip lasts 33.8 minutes.

3Elizabethtown BypassTrunk road · 22,927vehicles1,084trucks · 4.7%
Road class
Trunk road
Congestion ratio
24.0%
Median trip time
33.0 min
Drivers’ median age
46.9 yrs
Drivers’ average income
$74,254

At 5.6 times the county average, Elizabethtown Bypass draws drivers from neighborhoods averaging $74,254 in household income.

4Western Kentucky ParkwayMotorway · 19,857vehicles3,318trucks · 16.7%
Road class
Motorway
Congestion ratio
24.3%
Median trip time
43.6 min
Drivers’ median age
47.9 yrs
Drivers’ average income
$61,866

Western Kentucky Parkway carries through traffic: the median trip using it lasts 43.6 minutes, against 30.5 for the county.

5Ring RoadTrunk road · 19,488vehicles949trucks · 4.9%
Road class
Trunk road
Congestion ratio
51.0%
Median trip time
29.0 min
Drivers’ median age
46.8 yrs
Drivers’ average income
$73,609

Delays build on Ring Road: its congestion ratio of 51% over free-flow time is well above the county's 12%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 65Motorway · #1 by traffic49,207vehicles12,356trucks · 25.1%
2Western Kentucky ParkwayMotorway · #4 by traffic19,857vehicles3,318trucks · 16.7%
3Bluegrass ParkwayMotorway · 15,705vehicles3,063trucks · 19.5%
Road class
Motorway
Median trip time
56.5 min
Drivers’ median age
47.5 yrs
Drivers’ average income
$71,272

Drivers on Bluegrass Parkway are on long journeys, a median 56.5 minutes against 30.5 county-wide: a through route more than a local street.

4Lincoln ParkwayTrunk road · 13,433vehicles1,254trucks · 9.3%
Road class
Trunk road
Congestion ratio
15.0%
Median trip time
39.2 min
Drivers’ median age
47.8 yrs
Drivers’ average income
$67,740

Lincoln Parkway carries 3.3 times the county average at its busiest, 1,254 of them trucks (9.3%, below the county-wide 13.9%).

5Elizabethtown BypassTrunk road · #3 by traffic22,927vehicles1,084trucks · 4.7%
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

HardinDepartment 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 Hardin County

The same traffic breakdown for the areas closest to Hardin County, Kentucky.

Need segment-level traffic data?

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