| Previous SC 715's: 
 1946 ROUTE LOG
 SC 70: 0 - 0
 SC 304: 1.0 - 1.0
 
 |  | SC 715: Appeared in 1942 as a new primary route as a cutoff between SC 70 and SC 304 Hilda.  From S-6-620 Black St eastward had been part of SC 304 from 1939-41. In 1947, SC 715 was downgraded to S-6-35.
 |   SC 715 at Hilda
 1942 Official
 |