 What is now US 11 was added to the state highway system in 1918 as portions of State Route 10 (Bristol to Roanoke) and State Route 3 (Roanoke to West Virginia).SR 3 became State Route 33 in 1923, and US 11 was applied to its present alignment in 1926.SR 10 and SR 33 vere dropped in 1933.