 SR 68 begins at the Lee County line, which is formed by the drainage divide between Craborchard Creek to the west and Pigeon Creek to the east.The roadway continues west into Lee County as SR 606 through Keokee toward Pennington Gap.SR 68, which is named Exeter Road, descends into the valley of Pigeon Creek and passes through the communities of Exeter, Lower Exeter, and Imboden.