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Traffic heat map of Polk County, Tennessee: 156 miles of roads shaded from blue (light) to red (heavy traffic), busiest on US 411 and Ocoee Street

Polk County, Tennessee Traffic Counts

TrafficZoom tracks traffic on 156 road miles in Polk County, Tennessee, divided into 1,529 segments averaging 539 ft. The average road here carries 2,652 vehicles a day, 63% less than the Tennessee average of 7,251. 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 Polk County, Tennessee

Traffic

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

vehicles per day2,652
Trucks

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

9.4%
Average travel time

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

33.3 min
Congestion ratio

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

6.4%
Drivers’ average age

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

49.1 yrs
Drivers’ average income

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

$65,039

Our data shows 2,652 vehicles per day on the average road in Polk County, Tennessee, and 468,953 vehicle-miles traveled per day (≈171 million per year) across its 156 miles of monitored roads. Trucks are a smaller part of the mix than across Tennessee: 9.4% against 11.3%.

Quieter roads than 83% of counties in Tennessee

At 2,652 vehicles per day, the average monitored road in Polk carries 63% less traffic than the state average of 7,251, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.3% of Tennessee's statewide total of vehicle-miles. 83% of counties in Tennessee see more traffic than Polk's 2,652 vehicles per day.

Journey times here (33.3 minutes on average) closely track the state level. Its average travel time of 33.3 minutes is longer than 64% of counties in Tennessee.

The congestion ratio of 6.4% is 60% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Polk County, Tennessee

Trafficvehicles per day4,890
Trucks9.6%
Average travel time38.7 min
Congestion ratio10.5%
Drivers’ average age48.8 yrs
Drivers’ average income$65,414

The vast majority of driving in Polk County, Tennessee happens on highways: 82% of all vehicle-miles. The average highway carries 4,890 vehicles per day, 316% more than the average non-highway road in the same area, which carries 1,175 vehicles per day.

With 55% of the road miles (85 miles in 608 segments), highways punch above their length, carrying 384,045 vehicle-miles traveled per day (≈140 million per year).

Lower highway truck share than 88% of counties in Tennessee

Highway truck concentration here runs 39% lower than the state average, at 9.6%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

Polk's highway truck share (9.6%) is lower than 88% of counties in Tennessee. 86% of counties in Tennessee see more highway trucks per day than Polk's roughly 469.

non-highway traffic icon

Non-highway Traffic in Polk County, Tennessee

Trafficvehicles per day1,175
Trucks8.7%
Average travel time29.7 min
Congestion ratio3.7%
Drivers’ average age52.2 yrs
Drivers’ average income$63,604

At 18% of vehicle-miles, local roads carry a smaller share of the traffic in Polk County, Tennessee than highways. The average non-highway road carries 1,175 vehicles per day.

Local roads make up 45% of the monitored road miles (71 miles in 921 segments) but carry less than their share of travel: 84,908 vehicle-miles traveled per day (≈31.0 million per year). The truck share on non-highway roads is 8.7%.

Local congestion 76% below the Tennessee average

Compared to highways, non-highway routes see 9% fewer trucks by share.

At 76% lower than the state level, the non-highway congestion ratio of 3.7% signals easier movement on local roads.

Trip origins here have higher average income than 68% of counties in Tennessee. The driver population here skews older than 62% of counties in Tennessee.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

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

Polk County vs. Tennessee Traffic Comparison

Of the four measures, average daily traffic per road differs most: Polk County runs 63% below the Tennessee average. Its highway truck share is also 39% below.

MetricPolk CountyTennessee averageDifference
Traffic2,6527,251-63.4%
Truck % (Total Traffic)9.4%11.3%-16.8%
Truck % (Highway)9.6%15.6%-38.6%
Avg. Travel Time33.3 min32.1 min+3.8%

How Polk County compares

Polk County is the least congested of its nearby counties

Set against the average of the 4 areas nearest to it, Polk County is 53.0% less congested and carries 48.9% less traffic on a typical road; it has the quietest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.

Polk 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
Polk County2,6529.4%468,95333.3 min6.4%
Bradley County, Tennessee8,09911.8%2,338,49732.0 min18.2%
Murray County, Georgia4,5956.5%662,95930.5 min10.5%
Cherokee County, North Carolina3,5606.8%726,85728.9 min14.1%
McMinn County, Tennessee4,51716.7%1,772,41936.2 min11.8%
Tennessee average7,25111.3%N/A32.1 min16.1%

Polk County ranked within Tennessee

Truck share on highways places Polk County #76 of 86 in Tennessee - the bottom quarter of the state.

Polk County ranked among 95 county-level areas in Tennessee (1 = highest); measures without data in every county rank a smaller field, down to 86.
MeasurePolk CountyTennessee rank
Traffic volume (AADT)2,652#79 of 95
Highway vehicle-miles per day384,045#57 of 86
Truck share on highways9.6%#76 of 86
Highway trucks per day469#74 of 86
Average travel time33.3 min#35 of 95
Average driver income$65,039#31 of 95
Average driver age49.1 yrs#37 of 95

Busiest roads in Polk County, Tennessee

The three busiest roads in Polk County average 5,716 vehicles a day, 2.2 times the county average of 2,652 across all its monitored roads.

US 411 leads with 6,538 vehicles a day, 601 of them trucks (9.2%). It tops the truck ranking too, with the most trucks.

Trips using Andrew Jackson Highway are long: a median of 81.8 minutes against 33.3 county-wide, the mark of a through route.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1US 411Trunk road · 6,538vehicles601trucks · 9.2%
Road class
Trunk road
Congestion ratio
11.9%
Median trip time
36.4 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$65,026

US 411 carries 2.5 times the county average at its busiest, 601 of them trucks (9.2%, in line with the county-wide 9.4%).

2Ocoee StreetPrimary road · 5,716vehicles496trucks · 8.7%
Road class
Primary road
Congestion ratio
8.5%
Median trip time
29.4 min
Drivers’ median age
53.9 yrs
Drivers’ average income
$57,810

Ocoee Street carries 2.2 times the county average on its busiest stretch, where the median trip lasts 29.4 minutes.

3US 64Trunk road · 4,894vehicles472trucks · 9.7%
Road class
Trunk road
Congestion ratio
9.2%
Median trip time
45.2 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$65,878

US 64 carries through traffic: the median trip using it lasts 45.2 minutes, against 33.3 for the county.

4Andrew Jackson HighwayTrunk road · 2,395vehicles291trucks · 12.2%
Road class
Trunk road
Median trip time
81.8 min
Drivers’ median age
54.2 yrs
Drivers’ average income
$61,103

Even at its busiest, Andrew Jackson Highway carries 10% less than the county average; trucks are 12.2% of it, above the county-wide 9.4%.

5Bowater RoadSecondary road · 1,877vehicles158trucks · 8.4%
Road class
Secondary road
Congestion ratio
3.6%
Median trip time
41.4 min
Drivers’ median age
51.0 yrs
Drivers’ average income
$68,687

Bowater Road is a quieter road: its busiest stretch carries 29% less than the county average; trucks are 8.4% of it, below the county-wide 9.4%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1US 411Trunk road · #1 by traffic6,538vehicles601trucks · 9.2%
2Ocoee StreetPrimary road · #2 by traffic5,716vehicles496trucks · 8.7%
3US 64Trunk road · #3 by traffic4,894vehicles472trucks · 9.7%
4Andrew Jackson HighwayTrunk road · #4 by traffic2,395vehicles291trucks · 12.2%
5SR 68Primary road · 1,384vehicles182trucks · 13.1%
Road class
Primary road
Congestion ratio
8.3%
Median trip time
31.9 min
Drivers’ median age
54.4 yrs
Drivers’ average income
$52,328

Even at its busiest, SR 68 carries 48% less than the county average; trucks are 13.1% of it, above the county-wide 9.4%.

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

PolkDepartment 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 Polk County

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

Need segment-level traffic data?

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