Tennessee State Route 354State Route 354 is a state highway in Washington County, Tennessee. It connects Jonesborough with Boones Creek.Route descriptionSR 354 begins at an intersection with US 11E/US 321/SR 34 in Jonesborough and continues north to an intersection with I-26/US 23 in the Boones Creek neighborhood of North Johnson City and ends at an intersection with SR 36 in Boones Creek.