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Traffic heat map of Hamblen County, Tennessee: 231 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 81 and Appalachian Highway

Hamblen County, Tennessee Traffic Counts

Our Hamblen County, Tennessee traffic data covers 2,422 road segments over 231 road miles, with an average segment of just 504 ft. Its busiest road, I 81, carries 35,176 vehicles a day, 4.6 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 Hamblen County, Tennessee

Traffic

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

vehicles per day7,612
Trucks

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

13.0%
Average travel time

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

37.1 min
Congestion ratio

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

18.0%
Drivers’ average age

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

49.5 yrs
Drivers’ average income

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

$61,596

The average monitored road in Hamblen County, Tennessee carries 7,612 vehicles per day. Across its 231 miles of monitored roads, that adds up to 1,754,904 vehicle-miles traveled per day (≈641 million per year). Trucks are 13.0% of traffic, close to the 11.3% across Tennessee.

Longer trips than 95% of counties in Tennessee

At 7,612 vehicles per day, the average road in Hamblen tracks closely with the state average of 7,251 vehicles per day. In total volume terms, its road network carries about 1.0% of Tennessee's statewide total of vehicle-miles. Hamblen carries more traffic than 86% of counties in Tennessee.

The average trip takes 37.1 minutes, 16% higher than the state level. On travel time, Hamblen runs longer than 95% of counties in Tennessee.

Congestion is somewhat higher than the state level, at a ratio of 18.0% (12% higher) - relevant for traffic control and delivery planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Hamblen County, Tennessee

Trafficvehicles per day10,757
Trucks17.8%
Average travel time42.7 min
Congestion ratio23.2%
Drivers’ average age49.6 yrs
Drivers’ average income$62,074

A little more than half of the driving in Hamblen County, Tennessee happens on highways: 61% of all vehicle-miles. The average highway carries 10,757 vehicles per day, 58% more than the average non-highway road in the same area, which carries 6,804 vehicles per day.

Highways make up 37% of the monitored road miles (86 miles, 495 segments), so they carry more than their share: 1,063,003 vehicle-miles traveled per day (≈388 million per year).

That is more highway travel volume than 65% of counties in Tennessee.

Higher highway truck share than 68% of counties in Tennessee

Highway truck concentration here runs 14% higher than the state average, at 17.8%. The highway traffic mix is typical for Tennessee: neither freight- nor commuter-dominated.

Hamblen's highway truck share (17.8%) is higher than 68% of counties in Tennessee. By raw truck volume, Hamblen carries more highway trucks than 61% of counties in Tennessee.

non-highway traffic icon

Non-highway Traffic in Hamblen County, Tennessee

Trafficvehicles per day6,804
Trucks5.5%
Average travel time35.7 min
Congestion ratio16.6%
Drivers’ average age49.3 yrs
Drivers’ average income$61,159

Local roads carry a significant share of travel in Hamblen County, Tennessee: 39% of all vehicle-miles. The average non-highway road carries 6,804 vehicles per day.

Spread over 145 miles and 1,927 segments, 63% of the road network, local roads carry a lighter load per mile: 691,901 vehicle-miles traveled per day (≈253 million per year). Trucks make up 5.5% of non-highway traffic, about 1 in 18 vehicles.

Older drivers than 70% of counties in Tennessee

Compared to highways, non-highway routes see 69% fewer trucks by share.

Non-highway congestion (16.6%) runs slightly higher than the state level (8% higher).

54% of counties in Tennessee see lower average driver income among trip origins than Hamblen. 70% of counties in Tennessee have a younger driver population than Hamblen.

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 much quieter: volumes run about 25% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
September–November is the high season, with volumes +9% versus the annual average.
Lowest month:
January is the quietest month, with volumes -12% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Hamblen County, Tennessee, the peak hour concentrates about 8% of the day's traffic, and there is a noticeable seasonal swing of +9% in high season.

Hamblen County vs. Tennessee Traffic Comparison

Of the four measures, average travel time differs most: Hamblen County runs 16% above the Tennessee average.

MetricHamblen CountyTennessee averageDifference
Traffic7,6127,251+5.0%
Truck % (Total Traffic)13.0%11.3%+14.3%
Truck % (Highway)17.8%15.6%+14.2%
Avg. Travel Time37.1 min32.1 min+15.7%

How Hamblen County compares

Hamblen County is more congested than any nearby county

Set against the average of the 4 areas nearest to it, Hamblen County is 80.2% more congested and carries 87.7% more traffic on a typical road; it has the busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.

Hamblen County and the 4 nearest county-level areas by centroid distance, with the Tennessee average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Hamblen County7,61213.0%1,754,90437.1 min18.0%
Jefferson County, Tennessee5,70717.7%2,559,37834.3 min12.6%
Grainger County, Tennessee3,01310.6%510,27932.8 min8.0%
Cocke County, Tennessee5,78517.2%1,268,33136.3 min13.7%
Hancock County, Tennessee1,7169.6%43,77827.7 min5.7%
Tennessee average7,25111.3%N/A32.1 min16.1%

Hamblen County ranked within Tennessee

Average travel time places Hamblen County #6 of 95 in Tennessee - the top quarter of the state.

Hamblen County ranked among 95 county-level areas in Tennessee (1 = highest); measures without data in every county rank a smaller field, down to 86.
MeasureHamblen CountyTennessee rank
Traffic volume (AADT)7,612#14 of 95
Highway vehicle-miles per day1,063,003#31 of 86
Truck share on highways17.8%#28 of 86
Highway trucks per day1,917#34 of 86
Average travel time37.1 min#6 of 95
Average driver income$61,596#44 of 95
Average driver age49.5 yrs#29 of 95

Busiest roads in Hamblen County, Tennessee

The three busiest roads in Hamblen County average 32,187 vehicles a day, 4.2 times the county average of 7,612 across all its monitored roads.

I 81 is the busiest road, at 35,176 vehicles a day, 10,882 of them trucks (30.9%). It tops the truck ranking too, with the most trucks.

Freight stands out on I 81: trucks are 30.9% of the traffic there, against 13.0% county-wide.

I 81 carries longer journeys than most roads here, with a median trip of 58.5 minutes against 37.1 county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 81Motorway · 35,176vehicles10,882trucks · 30.9%
Road class
Motorway
Congestion ratio
32.6%
Median trip time
58.5 min
Drivers’ median age
49.8 yrs
Drivers’ average income
$62,066

On its busiest stretch, I 81 carries 4.6 times the county average; trucks are 30.9% of it, above the county-wide 13.0%.

2Appalachian HighwayTrunk road · 32,532vehicles3,605trucks · 11.1%
Road class
Trunk road
Congestion ratio
36.8%
Median trip time
36.9 min
Drivers’ median age
49.5 yrs
Drivers’ average income
$54,457

Travel on Appalachian Highway's busiest stretch runs 37% over free-flow time, against 18% across the county, so expect slower peak hours.

3Davy Crockett ParkwayMotorway · 28,853vehicles2,644trucks · 9.2%
Road class
Motorway
Congestion ratio
35.1%
Median trip time
38.9 min
Drivers’ median age
49.8 yrs
Drivers’ average income
$60,564

Davy Crockett Parkway is one of the more congested roads here: trips take 35% longer than at free-flow speed, against 18% county-wide.

4Andrew Johnson HighwayPrimary road · 27,350vehicles1,523trucks · 5.6%
Road class
Primary road
Congestion ratio
32.5%
Median trip time
34.7 min
Drivers’ median age
49.5 yrs
Drivers’ average income
$65,670

Andrew Johnson Highway peaks at 27,350 vehicles a day, 3.6 times the county average; trucks are 5.6% of it, below the county-wide 13.0%.

5Olen R. Marshall BridgeTrunk road · 26,326vehicles2,814trucks · 10.7%
Road class
Trunk road
Congestion ratio
29.8%
Median trip time
40.5 min
Drivers’ median age
49.4 yrs
Drivers’ average income
$54,407

Olen R. Marshall Bridge carries 3.5 times the county average at its busiest, 2,814 of them trucks (10.7%, below the county-wide 13.0%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 81Motorway · #1 by traffic35,176vehicles10,882trucks · 30.9%
2Appalachian HighwayTrunk road · #2 by traffic32,532vehicles3,605trucks · 11.1%
3Olen R. Marshall BridgeTrunk road · #5 by traffic26,326vehicles2,814trucks · 10.7%
4Davy Crockett ParkwayMotorway · #3 by traffic28,853vehicles2,644trucks · 9.2%
5Gov Dewitt Clinton Sentor HighwayTrunk road · 22,175vehicles1,882trucks · 8.5%
Road class
Trunk road
Congestion ratio
21.1%
Median trip time
34.8 min
Drivers’ median age
49.1 yrs
Drivers’ average income
$63,373

Gov Dewitt Clinton Sentor Highway carries 2.9 times the county average on its busiest stretch, where the median trip lasts 34.8 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

HamblenDepartment 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 Hamblen County

The same traffic breakdown for the areas closest to Hamblen County, Tennessee.

Need segment-level traffic data?

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