sentences:  SSH 1G ran from (PSH 1), co-signed as (US 99), to .During the 1964 highway renumbering, SR 538 was created to replace SSH 1G, PSH 1 and US 99 were replaced with (I-5) and replaced SSH 1A.I-5 was not built until after 1966 and the western terminus of SR 538 was still US 99.