APM: 13 Location: SR 88 and Ridge Rd, Amador Cty No reassurance shield after the SR 104 split. APM: 13 Location: SR 88 and Martell Rd, Martell, Amador Cty As we approach SR 49 we’ll enter unincorporated Martell. APM: 14 Location: SR 89 and SR 49, Martell, Amador Cty Junction SR 49 ahead. Turn left for 49 north … Continue reading California State Route 88, SR 104 to SR 49