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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day5,837 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 5.8% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 29.6 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 15.8% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 49.2 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $53,268 |
The average monitored road in Carter County, Tennessee carries 5,837 vehicles per day. Across its 181 miles of monitored roads, that adds up to 1,022,625 vehicle-miles traveled per day (≈373 million per year). Traffic here is mostly passenger cars: only 5.8% trucks, against 11.3% across Tennessee.
At 5,837 vehicles per day, the average monitored road in Carter carries 19% less traffic than the state average of 7,251, suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Carter accounts for about 0.6% of Tennessee's statewide total of vehicle-miles. Carter carries more traffic than 78% of counties in Tennessee.
The average trip takes 29.6 minutes, 8% lower than the state level. 90% of counties in Tennessee have a longer average travel time than Carter's 29.6 minutes.
At 15.8%, the congestion ratio matches the state level closely.
| Traffic | vehicles per day13,701 |
|---|---|
| Trucks | 6.6% |
| Average travel time | 31.5 min |
| Congestion ratio | 24.5% |
| Drivers’ average age | 48.8 yrs |
| Drivers’ average income | $53,420 |
Highways carry about half of all travel in Carter County, Tennessee, 55% of vehicle-miles. The average highway carries 13,701 vehicles per day, 242% more than the average non-highway road in the same area, which carries 4,011 vehicles per day.
Highways make up 33% of the monitored road miles (59 miles, 603 segments), so they carry more than their share: 558,016 vehicle-miles traveled per day (≈204 million per year).
That is more highway travel volume than 52% of counties in Tennessee.
At 6.6%, highway truck share is 58% lower than the state average. Highways here carry mainly commuter and local trips, with little through freight.
At 6.6%, Carter's highway truck concentration is the lowest in Tennessee. By raw truck volume, Carter carries fewer highway trucks than 66% of counties in Tennessee.
| Traffic | vehicles per day4,011 |
|---|---|
| Trucks | 4.8% |
| Average travel time | 29.2 min |
| Congestion ratio | 13.8% |
| Drivers’ average age | 50.2 yrs |
| Drivers’ average income | $53,057 |
Local roads carry about half of all travel in Carter County, Tennessee, 45% of vehicle-miles. The average non-highway road carries 4,011 vehicles per day.
Spread over 122 miles and 2,597 segments, 67% of the road network, local roads carry a lighter load per mile: 464,609 vehicle-miles traveled per day (≈170 million per year). Trucks make up 4.8% of non-highway traffic, about 1 in 21 vehicles.
The concentration of trucks on non-highway roads is 27% lower than on highways.
Non-highway congestion (13.8%) runs slightly lower than the state level (10% lower).
82% of counties in Tennessee see higher average driver income among trip origins than Carter. Carter's median driver age is higher than 63% of counties in Tennessee.
Carter County's biggest difference from the Tennessee average is its highway truck share, 58% below it. Its truck share is also 49% below.
| Metric | Carter County | Tennessee average | Difference |
|---|---|---|---|
| Traffic | 5,837 | 7,251 | -19.5% |
| Truck % (Total Traffic) | 5.8% | 11.3% | -48.7% |
| Truck % (Highway) | 6.6% | 15.6% | -57.5% |
| Avg. Travel Time | 29.6 min | 32.1 min | -7.6% |
Nothing in this table sets Carter County sharply apart from the 4 areas nearest to it, though it has the third busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Carter County | 5,837 | 5.8% | 1,022,625 | 29.6 min | 15.8% |
| Sullivan County, Tennessee | 6,173 | 9.3% | 3,795,252 | 36.1 min | 13.7% |
| Washington County, Tennessee | 6,225 | 7.2% | 2,853,792 | 32.0 min | 15.0% |
| Johnson County, Tennessee | 3,088 | 7.9% | 231,463 | 31.7 min | 8.7% |
| Avery County, North Carolina | 3,595 | 6.7% | 522,878 | 35.5 min | 11.6% |
| Tennessee average | 7,251 | 11.3% | N/A | 32.1 min | 16.1% |
No county-level area in Tennessee records a lower truck share on highways than Carter County.
| Measure | Carter County | Tennessee rank |
|---|---|---|
| Traffic volume (AADT) | 5,837 | #22 of 95 |
| Highway vehicle-miles per day | 558,016 | #42 of 86 |
| Truck share on highways | 6.6% | #86 of 86 |
| Highway trucks per day | 908 | #57 of 86 |
| Average travel time | 29.6 min | #86 of 95 |
| Average driver income | $53,268 | #78 of 95 |
| Average driver age | 49.2 yrs | #36 of 95 |
The two ends of this table sit far apart: #22 of 95 on average daily traffic volume, against #86 of 86 on truck share on highways.
Traffic concentrates on a few corridors: the three busiest roads average 26,100 vehicles a day, against 5,837 on the average road in Carter County.
Elk Avenue leads with 29,275 vehicles a day, 1,181 of them trucks (4.0%). James H. Quillen Parkway carries the most trucks, 1,729 a day (8.8% of its traffic), although it ranks #5 for all traffic.
Trips using James H. Quillen Parkway are long: a median of 39.9 minutes against 29.6 county-wide, the mark of a through route.
Delays build on Elk Avenue: its congestion ratio of 45% over free-flow time is well above the county's 16%.
At 4.3 times the county average, US 321 draws drivers from neighborhoods averaging $55,662 in household income.
Travel on Broad Street's busiest stretch runs 33% over free-flow time, against 16% across the county, so expect slower peak hours.
The busiest stretch of Veterans Memorial Parkway carries 3.6 times the county average; trucks are 4.8% of it, below the county-wide 5.8%.
On its busiest stretch, James H. Quillen Parkway carries 3.4 times the county average; trucks are 8.8% of it, above the county-wide 5.8%.
The average monitored road in Carter carries 5,837 vehicles per day, 19% less than the Tennessee average of 7,251.
Yes - Carter has the lowest highway truck share of any county in Tennessee, at 6.6%.
The average trip in Carter takes 29.6 minutes, 8% shorter than the Tennessee average of 32.1 minutes, delays at signals and congestion included.
Trucks make up about 5.8% of all traffic in Carter County, Tennessee, rising to 6.6% on highways, where long-haul freight concentrates.
Approximately 20% of highway traffic and 12% of non-highway traffic consists of vehicles whose trip originates outside Carter County, Tennessee. Even highway traffic is mostly local, so these roads mainly serve residents and commuters.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 4:00 PM–6:00 PM - about 81% above the daily average.
Drivers on Carter roads have a median age of 49 years, older than the Tennessee average of 45, and the median household income of the neighborhoods trips originate from averages $53,268, 31% below the Tennessee average.
Elk Avenue carries the most, 29,275 vehicles per day on its busiest stretch, followed by US 321 (25,160), Broad Street (23,866), Veterans Memorial Parkway (20,812), James H. Quillen Parkway (19,657). Figures are AADT, both directions combined.
James H. Quillen Parkway, with about 1,729 trucks per day on its busiest stretch, 8.8% of its 19,657 vehicles.
About 29,275 vehicles per day in both directions on its busiest stretch, including 1,181 trucks (4.0%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Carter County, Tennessee.
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