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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day6,225 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 7.2% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 32.0 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 15.0% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 48.6 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $66,735 |
The average monitored road in Washington County, Tennessee carries 6,225 vehicles per day. Across its 413 miles of monitored roads, that adds up to 2,853,792 vehicle-miles traveled per day (≈1.0 billion per year). Trucks are a smaller part of the mix than across Tennessee: 7.2% against 11.3%.
At 6,225 vehicles per day, the average road in Washington carries somewhat less traffic than the state average of 7,251 (14% less) - a factor worth weighing in site selection and logistics planning. Network-wide, Washington accounts for about 1.6% of Tennessee's statewide total of vehicle-miles. 81% of counties in Tennessee see less traffic than Washington's 6,225 vehicles per day.
The average trip takes 32.0 minutes, on par with the state level. Its average travel time of 32.0 minutes is shorter than 61% of counties in Tennessee.
Congestion is somewhat lower than the state level, at a ratio of 15.0% (7% lower).
| Traffic | vehicles per day16,605 |
|---|---|
| Trucks | 9.4% |
| Average travel time | 34.8 min |
| Congestion ratio | 28.1% |
| Drivers’ average age | 48.9 yrs |
| Drivers’ average income | $64,697 |
Highways carry more than half of all travel in Washington County, Tennessee (58% of vehicle-miles). The average highway carries 16,605 vehicles per day, 237% more than the average non-highway road in the same area, which carries 4,928 vehicles per day.
With 26% of the road miles (106 miles in 924 segments), highways punch above their length, carrying 1,667,152 vehicle-miles traveled per day (≈609 million per year).
80% of counties in Tennessee move less traffic on their highways.
The concentration of trucks on highways (9.4%) is 40% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 89% of counties in Tennessee. By raw truck volume, Washington carries more highway trucks than 51% of counties in Tennessee.
| Traffic | vehicles per day4,928 |
|---|---|
| Trucks | 4.2% |
| Average travel time | 31.6 min |
| Congestion ratio | 13.4% |
| Drivers’ average age | 48.2 yrs |
| Drivers’ average income | $69,408 |
Local roads carry a significant share of travel in Washington County, Tennessee: 42% of all vehicle-miles. On the average non-highway road, that comes to 4,928 vehicles per day.
Spread over 307 miles and 7,391 segments, 74% of the road network, local roads carry a lighter load per mile: 1,186,640 vehicle-miles traveled per day (≈433 million per year). About 1 in 24 vehicles on non-highway roads is a truck (4.2%).
Non-highway roads carry a truck concentration that's 55% lower than the highway network.
Non-highway congestion (13.4%) runs slightly lower than the state level (13% lower).
Washington's average driver income is higher than 74% of counties in Tennessee. Washington's median driver age is higher than 54% of counties in Tennessee.
The highway truck share sets Washington County apart: 40% below the Tennessee average. Its truck share is also 36% below.
| Metric | Washington County | Tennessee average | Difference |
|---|---|---|---|
| Traffic | 6,225 | 7,251 | -14.1% |
| Truck % (Total Traffic) | 7.2% | 11.3% | -36.2% |
| Truck % (Highway) | 9.4% | 15.6% | -39.9% |
| Avg. Travel Time | 32.0 min | 32.1 min | -0.3% |
Nothing in this table sets Washington County sharply apart from the 4 areas nearest to it, though it has the busiest roads of the five. Bigger and busier at once: more road than the areas around it and heavier traffic on it, which makes it the centre of gravity for travel in this part of the map.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Washington County | 6,225 | 7.2% | 2,853,792 | 32.0 min | 15.0% |
| Sullivan County, Tennessee | 6,173 | 9.3% | 3,795,252 | 36.1 min | 13.7% |
| Unicoi County, Tennessee | 3,272 | 11.7% | 486,434 | 33.0 min | 9.3% |
| Carter County, Tennessee | 5,837 | 5.8% | 1,022,625 | 29.6 min | 15.8% |
| Greene County, Tennessee | 3,830 | 15.8% | 2,298,835 | 33.1 min | 10.8% |
| Tennessee average | 7,251 | 11.3% | N/A | 32.1 min | 16.1% |
Washington County sits in the bottom quarter of the Tennessee field on truck share on highways, at #77 of 86.
| Measure | Washington County | Tennessee rank |
|---|---|---|
| Traffic volume (AADT) | 6,225 | #19 of 95 |
| Highway vehicle-miles per day | 1,667,152 | #18 of 86 |
| Truck share on highways | 9.4% | #77 of 86 |
| Highway trucks per day | 1,558 | #43 of 86 |
| Average travel time | 32.0 min | #57 of 95 |
| Average driver income | $66,735 | #25 of 95 |
| Average driver age | 48.6 yrs | #44 of 95 |
Washington County ranks #19 of 95 on average daily traffic volume but #77 of 86 on truck share on highways - the two describe the same roads and are worth reading together rather than either on its own.
The three busiest roads in Washington County average 36,905 vehicles a day, 5.9 times the county average of 6,225 across all its monitored roads.
James H. Quillen Parkway is the busiest road, at 46,102 vehicles a day, 3,698 of them trucks (8.0%). I 81 carries the most trucks, 9,885 a day (32.7% of its traffic), although it ranks #4 for all traffic.
Trucks make up 32.7% of traffic on I 81, against 7.2% across all roads in the county.
I 81 carries longer journeys than most roads here, with a median trip of 57.0 minutes against 32.0 county-wide.
James H. Quillen Parkway is one of the more congested roads here: trips take 46% longer than at free-flow speed, against 15% county-wide.
State of Franklin Road carries 5.5 times the county average on its busiest stretch, where the median trip lasts 34.0 minutes.
Delays build on Roan Street: its congestion ratio of 39% over free-flow time is well above the county's 15%.
I 81 peaks at 30,262 vehicles a day, 4.9 times the county average; trucks are 32.7% of it, above the county-wide 7.2%.
Jackson Boulevard carries 4.5 times the county average at its busiest, 1,536 of them trucks (5.5%, below the county-wide 7.2%).
US 321 carries 4.1 times the county average on its busiest stretch, where the median trip lasts 33.0 minutes.
The average monitored road in Washington carries 6,225 vehicles per day, 14% less than the Tennessee average of 7,251.
Trip origins in Washington have higher average income than 74% of counties in Tennessee.
Drivers on Washington 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 $66,735, 14% below the Tennessee average.
Approximately 32% of highway traffic and 12% of non-highway traffic consists of vehicles whose trip originates outside Washington County, Tennessee. A sizeable share of highway traffic comes from outside, mixed with local trips on the same roads.
The average trip in Washington takes 32.0 minutes, about the same as the Tennessee average, delays at signals and congestion included.
James H. Quillen Parkway carries the most, 46,102 vehicles per day on its busiest stretch, followed by State of Franklin Road (34,191), Roan Street (30,421), I 81 (30,262), Jackson Boulevard (28,015). Figures are AADT, both directions combined.
I 81, with about 9,885 trucks per day on its busiest stretch, 32.7% of its 30,262 vehicles.
About 46,102 vehicles per day in both directions on its busiest stretch, including 3,698 trucks (8.0%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

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