APM: 18 Location: SR 99 and SR 4, Stockton Just as SR 4 joins SR 99, it will prepare to split. APM: 17 Location: SR 99 and Golden Gate Ave, Stockton Follow 4 east for Angels Camp. APM: 17 Location: SR 99 and Golden Gate Ave, Stockton Exit for SR 4 east.  E to SR 4 Bus, W to … Continue reading California State Route 4, SR 99 to SR 99