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Grainger County, Tennessee Traffic Counts

This page delivers traffic analytics for Grainger County, Tennessee. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Grainger County, Tennessee among 172 road miles divided in 1,492 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 610 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
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total traffic icon

Total Traffic Volume & Performance

Traffic

3,013

Trucks

10.6%

Average travel time

32.8 min

Congestion ratio

8.0%

Drivers’ average age

49.9 yrs

Drivers’ average income

$52,939

Our data indicates an estimated average traffic volume of 3,013 vehicles per day in Grainger County, Tennessee that results in 510,279 vehicle-miles traveled per day (≈186 million per year). The traffic stream is comprised of an average of 1 truck for every 9 vehicles. Typical time spent behind the wheel per trip is 32.8 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Tennessee state averages: Grainger sees 58% lower average daily traffic volume than the state average (3,013 vehicles per day against 7,251), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Grainger accounts for about 0.3% of Tennessee's statewide total, at 510,279 vehicle-miles traveled per day (≈186 million per year). The average trip takes 32.8 minutes, 2% higher than the state level. The congestion ratio of 8.0% is 50% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. Grainger carries more traffic than 26% of counties in Tennessee. Its average travel time of 32.8 minutes is longer than 54% of counties in Tennessee.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic

Traffic

5,876

Trucks

11.9%

Average travel time

39.6 min

Congestion ratio

13.4%

Drivers’ average age

49.9 yrs

Drivers’ average income

$52,487

A significant volume of traffic in Grainger County, Tennessee utilizes the highway network. The average highway carries 5,876 vehicles per day, 264% more than the average non-highway road in the same area, which carries 1,613 vehicles per day. That average covers 63 highway road miles divided in 490 segments (average segment length 683 ft), together carrying 358,868 vehicle-miles traveled per day (≈131 million per year). Trucks constitute 11.9% of highway traffic.

Analytical insight

At 11.9%, highway truck share is 24% lower than the state average, marking Grainger as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Grainger's highway truck share (11.9%) is higher than 39% of counties in Tennessee. 35% of counties in Tennessee see fewer highway trucks per day than Grainger's roughly 699.
non-highway traffic icon

Non-highway traffic

Traffic

1,613

Trucks

7.6%

Average travel time

29.5 min

Congestion ratio

5.4%

Drivers’ average age

50.1 yrs

Drivers’ average income

$53,964

The non-highway road network in Grainger County, Tennessee supports a substantial volume of traffic. The average non-highway road carries 1,613 vehicles per day, 73% less than the average highway in the same area, which carries 5,876 vehicles per day. That average covers 109 non-highway road miles divided in 1,002 segments (average segment length 574 ft), together carrying 151,412 vehicle-miles traveled per day (≈55.3 million per year). Trucks constitute 7.6% of non-highway traffic.

Analytical insight

Compared to highways, non-highway routes see 36% fewer trucks by share. The non-highway congestion ratio of 5.4% is 65% lower than the state level, suggesting more efficient local mobility than the state average. Overall, average travel time here is longer than 54% of counties in Tennessee. Trip origins here have higher average income than 16% of counties in Tennessee. 79% of counties in Tennessee have a younger driver population than Grainger.

Time-of-Day & Seasonal Patterns

Analytical insight

In Grainger County, Tennessee, the peak hour concentrates about 8% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Grainger

Tennessee
Average

Difference

Traffic

3,013

7,251

-58.5%

Truck % (Total Traffic)

10.6%

11.3%

-6.3%

Truck % (Highway)

11.9%

15.6%

-23.8%

Avg. Travel Time

32.8 min

32.1 min

+2.3%

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

TennesseeDepartment of Transportation

Historical traffic pattern databases

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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