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Traffic heat map of Grant County, Kentucky: 198 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 75 and US-25

Grant County, Kentucky Traffic Counts

How busy are the roads of Grant County, Kentucky? We measure 198 road miles, divided into 2,746 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, I 75, carries 41,962 vehicles a day, 13.4 times the average road. 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 Grant County, Kentucky

Traffic

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

vehicles per day3,139
Trucks

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

19.0%
Average travel time

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

27.3 min
Congestion ratio

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

10.3%
Drivers’ average age

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

45.9 yrs
Drivers’ average income

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

$76,762

The average monitored road in Grant County, Kentucky carries 3,139 vehicles per day. Across its 198 miles of monitored roads, that adds up to 1,406,806 vehicle-miles traveled per day (≈513 million per year). About 1 in 5 vehicles is a truck, well above the 12.1% across Kentucky - a freight-heavy mix.

Shorter trips than 92% of counties in Kentucky

At 3,139 vehicles per day, the average monitored road in Grant carries 33% less traffic than the state average of 4,696, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Grant accounts for about 1.2% of Kentucky's statewide total of vehicle-miles. Grant carries more traffic than 68% of counties in Kentucky.

At 27.3 minutes, the average travel time is 14% lower than the state level. 92% of counties in Kentucky have a longer average travel time than Grant's 27.3 minutes.

At 30% lower than the state level, the 10.3% 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 Grant County, Kentucky

Trafficvehicles per day19,035
Trucks22.2%
Average travel time54.3 min
Congestion ratio25.3%
Drivers’ average age45.3 yrs
Drivers’ average income$83,012

Most travel in Grant County, Kentucky happens on highways, 79% of all vehicle-miles. The average highway carries 19,035 vehicles per day, 555% more than the average non-highway road in the same area, which carries 2,904 vehicles per day.

Yet highways are only 26% of the road network, 51 miles in 40 segments, so each mile of them is 3.0 times as busy as the average road mile.

By highway travel volume, Grant outranks 86% of counties in Kentucky.

More highway trucks than 95% of counties in Kentucky

At 22.2%, highway truck share is 40% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.

By truck concentration, highways here outrank 89% of counties in Kentucky. By raw truck volume, Grant carries more highway trucks than 95% of counties in Kentucky.

non-highway traffic icon

Non-highway Traffic in Grant County, Kentucky

Trafficvehicles per day2,904
Trucks6.6%
Average travel time26.9 min
Congestion ratio10.1%
Drivers’ average age46.4 yrs
Drivers’ average income$68,071

At 21% of vehicle-miles, local roads carry a smaller share of the traffic in Grant County, Kentucky than highways. The average non-highway road carries 2,904 vehicles per day.

Local roads make up 74% of the monitored road miles (146 miles in 2,706 segments) but carry less than their share of travel: 293,390 vehicle-miles traveled per day (≈107 million per year). About 1 in 15 vehicles on non-highway roads is a truck (6.6%).

Drivers from higher-income areas than 89% of counties in Kentucky

Compared to highways, non-highway routes see 70% fewer trucks by share.

Non-highway congestion (10.1%) runs 27% lower than the state average, pointing to smoother local traffic flow.

89% of counties in Kentucky see lower average driver income among trip origins than Grant. The driver population here skews younger than 85% of counties in Kentucky.

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 72% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 15% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +6% versus the annual average.
Lowest month:
January is the quietest month, with volumes -14% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Grant County, Kentucky, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +6% in high season.

Grant County vs. Kentucky Traffic Comparison

Of the four measures, truck share differs most: Grant County runs 57% above the Kentucky average. Its highway truck share is also 40% above.

MetricGrant CountyKentucky averageDifference
Traffic3,1394,696-33.2%
Truck % (Total Traffic)19.0%12.1%+57.4%
Truck % (Highway)22.2%15.9%+40.1%
Avg. Travel Time27.3 min31.7 min-13.8%

How Grant County compares

Grant County against nearby counties

Compared with its 4 closest neighbours, Grant County runs 6.0 percentage points more truck traffic and sees 18.6% shorter typical trips; 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.

Grant 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
Grant County3,13919.0%1,406,80627.3 min10.3%
Owen County, Kentucky1,1878.5%203,45429.4 min5.2%
Gallatin County, Kentucky2,40623.8%958,37039.6 min8.4%
Pendleton County, Kentucky1,63611.0%244,78731.6 min8.8%
Kenton County, Kentucky8,3288.6%3,453,89933.4 min19.0%
Kentucky average4,69612.1%N/A31.7 min14.7%

Grant County ranked within Kentucky

Grant County sits in the top quarter of the Kentucky field on highway truck volume, at #7 of 115.

Grant County ranked among 120 county-level areas in Kentucky (1 = highest); measures without data in every county rank a smaller field, down to 115.
MeasureGrant CountyKentucky rank
Traffic volume (AADT)3,139#39 of 120
Highway vehicle-miles per day1,113,416#17 of 115
Truck share on highways22.2%#13 of 115
Highway trucks per day4,231#7 of 115
Average travel time27.3 min#110 of 120
Average driver income$76,762#14 of 120
Average driver age45.9 yrs#102 of 120

Grant County ranks #7 of 115 on highway truck volume but #110 of 120 on average travel time - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Grant County, Kentucky

The three busiest roads in Grant County average 23,558 vehicles a day, 7.5 times the county average of 3,139 across all its monitored roads.

I 75 is the busiest road, at 41,962 vehicles a day, 9,327 of them trucks (22.2%). That is 2.9 times the next road, US-25 (14,615). It also carries the most trucks.

Trips using I 75 are long: a median of 54.4 minutes against 27.3 county-wide, the mark of a through route.

US-25 is busy with cars rather than freight: only 5.0% of its traffic is trucks, against 19.0% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 75Motorway · 41,962vehicles9,327trucks · 22.2%
Road class
Motorway
Congestion ratio
27.7%
Median trip time
54.4 min
Drivers’ median age
45.3 yrs
Drivers’ average income
$83,014

Travel on I 75's busiest stretch runs 28% over free-flow time, against 10% across the county, so expect slower peak hours.

2US-25Primary road · 14,615vehicles726trucks · 5.0%
Road class
Primary road
Congestion ratio
34.8%
Median trip time
23.3 min
Drivers’ median age
46.0 yrs
Drivers’ average income
$71,313

US-25 is one of the more congested roads here: trips take 35% longer than at free-flow speed, against 10% county-wide.

3Broadway StreetPrimary road · 14,098vehicles732trucks · 5.2%
Road class
Primary road
Congestion ratio
20.3%
Median trip time
27.9 min
Drivers’ median age
46.9 yrs
Drivers’ average income
$66,694

Broadway Street carries 4.5 times the county average on its busiest stretch, where the median trip lasts 27.9 minutes.

4US 25Primary road · 11,166vehicles651trucks · 5.8%
Road class
Primary road
Congestion ratio
23.0%
Median trip time
26.1 min
Drivers’ median age
45.6 yrs
Drivers’ average income
$67,256

At 3.6 times the county average, US 25 draws drivers from neighborhoods averaging $67,256 in household income.

5Violet RoadSecondary road · 8,483vehicles424trucks · 5.0%
Road class
Secondary road
Congestion ratio
19.5%
Median trip time
27.8 min
Drivers’ median age
46.5 yrs
Drivers’ average income
$76,422

The busiest stretch of Violet Road carries 2.7 times the county average; trucks are 5.0% of it, below the county-wide 19.0%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 75Motorway · #1 by traffic41,962vehicles9,327trucks · 22.2%
2Broadway StreetPrimary road · #3 by traffic14,098vehicles732trucks · 5.2%
3US-25Primary road · #2 by traffic14,615vehicles726trucks · 5.0%
4US 25Primary road · #4 by traffic11,166vehicles651trucks · 5.8%
5Violet RoadSecondary road · #5 by traffic8,483vehicles424trucks · 5.0%
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

GrantDepartment 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 Grant County

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

Need segment-level traffic data?

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