This change , which would have normally happened in the 1964 renumbering , was done early due to the closeness of I - 10 .
Around 1960 , SR 10 was renumbered to State Route 42 due to the nearby Interstate 10 ( numbered in 1957 ) .
This change , which would have normally happened in the 1964 renumbering , was done early due to the closeness of Interstate 10     .
Around 1960 , SR 10 was renumbered to State Route 42 due to the nearby Interstate 10 ( numbered in 1957 ) .