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Traffic heat map of McNairy County, Tennessee: 346 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Mulberry Avenue and Main Street

McNairy County, Tennessee Traffic Counts

Traffic analytics for McNairy County, Tennessee, calculated from real-world mobile and sensor networks on 2,429 road segments (346 road miles, about 753 ft each). Its busiest road, Mulberry Avenue, carries 14,368 vehicles a day, 5.1 times the average road. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
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 McNairy County, Tennessee

Traffic

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

vehicles per day2,811
Trucks

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

10.6%
Average travel time

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

31.5 min
Congestion ratio

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

6.2%
Drivers’ average age

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

49.3 yrs
Drivers’ average income

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

$51,276

Our data shows 2,811 vehicles per day on the average road in McNairy County, Tennessee, and 716,624 vehicle-miles traveled per day (≈262 million per year) across its 346 miles of monitored roads. About 1 in 9 vehicles is a truck, in line with Tennessee (11.3%).

Congestion 62% below the Tennessee average

At 2,811 vehicles per day, the average monitored road in McNairy carries 61% less traffic than the state average of 7,251, suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 0.4% of Tennessee's statewide total. McNairy carries less traffic than 80% of counties in Tennessee.

Journey times here (31.5 minutes on average) closely track the state level. On travel time, McNairy runs shorter than 73% of counties in Tennessee.

The congestion ratio of 6.2% is 62% 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 McNairy County, Tennessee

Trafficvehicles per day7,122
Trucks12.0%
Average travel time36.4 min
Congestion ratio9.6%
Drivers’ average age49.2 yrs
Drivers’ average income$51,267

Highways carry more than half of all travel in McNairy County, Tennessee (61% of vehicle-miles). The average highway carries 7,122 vehicles per day, 392% more than the average non-highway road in the same area, which carries 1,449 vehicles per day.

Highways make up 26% of the monitored road miles (89 miles, 583 segments), so they carry more than their share: 438,018 vehicle-miles traveled per day (≈160 million per year).

Fewer highway trucks than 72% of counties in Tennessee

Highway truck concentration here runs 23% lower than the state average, at 12.0%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.

By truck concentration, highways here trail 59% of counties in Tennessee. 72% of counties in Tennessee see more highway trucks per day than McNairy's roughly 857.

non-highway traffic icon

Non-highway Traffic in McNairy County, Tennessee

Trafficvehicles per day1,449
Trucks8.3%
Average travel time29.9 min
Congestion ratio5.1%
Drivers’ average age50.2 yrs
Drivers’ average income$51,289

A significant share of driving in McNairy County, Tennessee, 39% of vehicle-miles, happens on local roads. A typical local road sees 1,449 vehicles per day.

Spread over 257 miles and 1,846 segments, 74% of the road network, local roads carry a lighter load per mile: 278,606 vehicle-miles traveled per day (≈102 million per year). Trucks make up 8.3% of non-highway traffic, about 1 in 12 vehicles.

Drivers from lower-income areas than 88% of counties in Tennessee

Non-highway roads carry a truck concentration that's 31% lower than the highway network.

Non-highway congestion (5.1%) runs 67% lower than the state average, pointing to smoother local traffic flow.

88% of counties in Tennessee see higher average driver income among trip origins than McNairy. The driver population here skews older than 65% of counties in Tennessee.

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 71% higher than the daily average.
Weekend traffic:
Weekends are much quieter: volumes run about 31% below weekday levels, the signature of a commute-driven road network.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
April–June is the high season, with volumes +4% versus the annual average.
Lowest month:
January is the quietest month, with volumes -8% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In McNairy County, Tennessee, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +4% in high season.

McNairy County vs. Tennessee Traffic Comparison

Of the four measures, average daily traffic per road differs most: McNairy County runs 61% below the Tennessee average. Its highway truck share is also 23% below.

MetricMcNairy CountyTennessee averageDifference
Traffic2,8117,251-61.2%
Truck % (Total Traffic)10.6%11.3%-6.6%
Truck % (Highway)12.0%15.6%-22.9%
Avg. Travel Time31.5 min32.1 min-1.9%

How McNairy County compares

McNairy County against nearby counties

Against the 4 nearest areas, McNairy County is 32.0% less congested; it has the third busiest roads of the five.

McNairy 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
McNairy County2,81110.6%716,62431.5 min6.2%
Alcorn County, Mississippi5,3528.9%915,96029.5 min12.3%
Chester County, Tennessee2,2108.5%390,93829.8 min8.4%
Hardin County, Tennessee3,5348.6%617,30130.4 min9.3%
Hardeman County, Tennessee2,1569.9%511,23134.5 min6.5%
Tennessee average7,25111.3%N/A32.1 min16.1%

McNairy County ranked within Tennessee

Average driver income places McNairy County #84 of 95 in Tennessee - the bottom quarter of the state.

McNairy County ranked among 95 county-level areas in Tennessee (1 = highest); measures without data in every county rank a smaller field, down to 86.
MeasureMcNairy CountyTennessee rank
Traffic volume (AADT)2,811#76 of 95
Highway vehicle-miles per day438,018#51 of 86
Truck share on highways12.0%#51 of 86
Highway trucks per day857#62 of 86
Average travel time31.5 min#70 of 95
Average driver income$51,276#84 of 95
Average driver age49.3 yrs#34 of 95

Busiest roads in McNairy County, Tennessee

Traffic concentrates on a few corridors: the three busiest roads average 12,608 vehicles a day, against 2,811 on the average road in McNairy County.

Mulberry Avenue leads with 14,368 vehicles a day, 1,485 of them trucks (10.3%). It also carries the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Mulberry AvenueTrunk road · 14,368vehicles1,485trucks · 10.3%
Road class
Trunk road
Congestion ratio
18.6%
Median trip time
34.1 min
Drivers’ median age
48.7 yrs
Drivers’ average income
$50,836

Travel on Mulberry Avenue's busiest stretch runs 19% over free-flow time, against 6% across the county, so expect slower peak hours.

2Main StreetTrunk road · 11,984vehicles1,135trucks · 9.5%
Road class
Trunk road
Congestion ratio
13.7%
Median trip time
29.8 min
Drivers’ median age
50.5 yrs
Drivers’ average income
$46,950

Main Street carries 4.3 times the county average on its busiest stretch, where the median trip lasts 29.8 minutes.

3Court AvenueSecondary road · 11,471vehicles791trucks · 6.9%
Road class
Secondary road
Congestion ratio
13.1%
Median trip time
29.1 min
Drivers’ median age
49.4 yrs
Drivers’ average income
$45,862

At 4.1 times the county average, Court Avenue draws drivers from neighborhoods averaging $45,862 in household income.

4US 45Trunk road · 11,055vehicles1,476trucks · 13.3%
Road class
Trunk road
Congestion ratio
12.3%
Median trip time
37.6 min
Drivers’ median age
49.1 yrs
Drivers’ average income
$53,762

The busiest stretch of US 45 carries 3.9 times the county average; trucks are 13.3% of it, above the county-wide 10.6%.

5Poplar AvenueTrunk road · 10,749vehicles964trucks · 9.0%
Road class
Trunk road
Congestion ratio
11.9%
Median trip time
33.8 min
Drivers’ median age
48.1 yrs
Drivers’ average income
$48,818

On its busiest stretch, Poplar Avenue carries 3.8 times the county average; trucks are 9.0% of it, below the county-wide 10.6%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Mulberry AvenueTrunk road · #1 by traffic14,368vehicles1,485trucks · 10.3%
2US 45Trunk road · #4 by traffic11,055vehicles1,476trucks · 13.3%
3Main StreetTrunk road · #2 by traffic11,984vehicles1,135trucks · 9.5%
4US 64Trunk road · 8,597vehicles974trucks · 11.3%
Road class
Trunk road
Congestion ratio
9.0%
Median trip time
35.3 min
Drivers’ median age
48.1 yrs
Drivers’ average income
$48,424

US 64 peaks at 8,597 vehicles a day, 3.1 times the county average; trucks are 11.3% of it, above the county-wide 10.6%.

5Poplar AvenueTrunk road · #5 by traffic10,749vehicles964trucks · 9.0%
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

McNairyDepartment 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 McNairy County

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

Need segment-level traffic data?

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