U.S. Federal Route 31E passes through Allen County as it enters Kentucky from Tennessee as it makes its way from Nashville, TN. to Louisville, KY. U.S. Rt. 31E passes through the following town in Allen County. Scottsville U.S. Rt. 31E is multi-plexed in Allen County U.S. Rt. 231, from the Kentucky/Tennessee State Line to Scottsville
U.S. Rt. 31E intersects the following highways in Allen County. Kentucky State Route 482, near Adolphus. Kentucky Secondary State Route 1147, near Petroleum. Kentucky State Route 100, near Scottsville U.S. Rt. 231, at Scottsville. Kentucky State Route 980, at Scottsville. Kentucky State Route 101, at Scottsville Kentucky Secondary State Route 3499, near Scottsville. Kentucky State Route 252, at Barren River Lake S.R.P. Kentucky Secondary State Route 1855, at the Barren River S.R.P.
