 As it nears Blythe , the highway makes a sharp turn east onto 32nd Avenue before turning north on Rannels Boulevard . It makes a right on 28th Avenue before turning north on South Neighbours Boulevard and passing through Ripley . SR 78 continues north for a few more miles to its terminus at I @-@ 10 , approximately seven miles ( 11 km ) west of the Arizona border . North of I @-@ 10 , Neighbours Boulevard becomes Interstate 10 Business for a block before the business route turns east toward Blythe . 
