SR 67 begins as Cherokee Road as a 2-lane secondary highway in Washington County in Lamar at an intersection with SR 81. The highway goes to pass through the community before leaving Lamar and continuing east through rural areas before entering Johnson City. SR 67 then passes through a couple of neighborhoods before coming to an intersection with US 321 and SR 381, where SR 67 becomes concurrent with US 321 and becomes a primary highway. They then travel east as a 4-lane divided highway through the south side of the city to an interchange with I-26/US 23/US 19W, where the highway becomes a freeway and has an interchange with Milligan Highway/Legion Street before crossing into Carter County and immediately entering Elizabethton.
Carter County
US 321/SR 67 gains some modest elevation before finally rolling over a significant slope and finally arriving at cautioned marked sloped curve just before the freeway segment ends at an at-grade intersection with SR 359.
Elizabethton
At the SR 359/Milligan Highway exit, US 321/SR 67 continues on into Elizabethton as Elk Avenue on a 4-lane undived highway through commercial areas, where they become concurrent with SR 91 and have an intersection with SR 362. US 321/SR 67/SR 91 then parallels the Watauga River before passing by a reconstructed interpretation of Fort Watauga at Sycamore Shoals State Park. The highway then passes through more commercial areas before entering downtown, where it becomes Broad Street and has an intersection with SR 400 before crossing the Doe River along the historic Broad Street Bridge and coming to an intersection with US 19E/SR 37, where SR 91 splits off and goes north along US 19E/SR 37 while US 321/SR 67 turns south along US 19E/SR 37. Further on south, the four-laned highway crosses over the Doe River for a second time and then runs closely parallel with it. US 19E/US 321/SR 37/SR 67 starts gaining some gradual elevation and eventually crosses a series of bridges over the Doe River at the Valley Forge community just outside of the Elizabethton city limits. SR 67 completes a final fourth and curving high double bridge crossing before arriving at Hampton.
Hampton
At Hampton, SR 67 and US 321 split off from the US 19E/SR 37 concurrency and continue eastward. Here, the road begins as a two-lane segment, briefly passing by commercial areas in Hampton, and then exiting Hampton over a high ridge.
Upon leaving Hampton, US 321/SR 67 again continually increases in elevation and roughly runs for several miles parallel to the shoreline of the massive Watauga Lake, through the Cherokee National Forest. Watauga Dam can be seen in the distance across the reservoir at the Rat Branch Boat Launch. At Fish Springs, SR 67 splits off from US 321, which heads east along SR 159, and veers northeastward, crossing Watauga Lake at the high Butler Bridge before entering Johnson County and Butler.
Johnson County
SR 67 passes through Butler before continuing northeastward up the Doe Creek Valley, where it passes through the communities of Doeville, Pandora, Doe Valley, and Dewey. During this stretch it passes by the Northeast Correctional Complex. At Doeville, it junctions with SR 167, which continues southeastward up the Roan Creek Valley to emerge in the Shouns Crossroads area of southern Mountain City. SR 67 then comes to an intersection with US 421/SR 34/SR 418, where SR 67 turns south and becomes concurrent with US 421/SR 34. They then bypass downtown to the west side, where they have an intersection with SR 418 before going through a commercial area as 4-lane undivided highway, where they a second intersection with SR 167 at Shouns Crossroads, before leaving Mountain City and continuing south, narrowing to 2-lanes. US 421/SR 34/SR 67 then pass through some rugged mountainous terrain before entering Trade, where SR 67 splits off from US 421/SR 34, becoming a secondary highway and heading eastward up the Jenkins Creek Valley toward North Carolina. At the state line, the roadway becomes North Carolina Highway 88.
History
In 1988, a stretch of State Route 67 was completed between Johnson City and Elizabethton as part of Quad-Cities Beltway projects. The highway follows Cherokee Road through most of Johnson City before merging with US 321 near East Tennessee State University, and continuing eastward. In Elizbethton, SR 67 passes by a reconstructed interpretation of Fort Watauga at Sycamore ShoalsState Park
