APM: 5 Location: Preston Ave and Plymouth Hwy, Ione No reassurance shield after the 124 split. APM: 4 Location: SR 104 and Castle Oaks Dr, Ione Reassurance shield as we head out of Ione. APM: 3 Location: SR 104 and Collins Rd, Amador Cty Reassurance shield by the prison turnoff. APM: 2 Location: SR 104 and Michigan Bar Rd, … Continue reading California State Route 104, SR 124 to SR 99