High Quality Content by WIKIPEDIA articles! North Carolina Highway 108 is a 22 miles (35 km) long, two lane highway in North Carolina, USA. It connects U.S. 176 in Tryon to Rutherfordton and passes through both Polk County and Rutherford County. It is a rural country road through eastern Polk County and western Rutherford County, and moderately developed from Tryon through Columbus and in Rutherfordton. It is also known as Lynn Road between Tryon and Columbus, Mills Street through Columbus, and Tryon Road in Rutherford County.