Miscellaneous guide signs that indicate river names, county lines and time zone boundaries may be used if they do not interfere with other more important signing. City limits, mountain elevations or other boundaries (e.g., the limits of forests, refuges, jurisdictions, etc.) will not be signed.
Tenn. Comp. R. & Regs. 1680-03-02-.07
Authority: T.C.A. § 54-5-108(b).