APM: 46 Location: SR 1 and Green Valley Rd, San Luis Obispo Cty Reassurance shield after the SR 46 junction. APM: 46 Location: SR 1 and Green Valley Rd, San Luis Obispo Cty Distance sign with indicators for possible road closures. APM: 46 Location: SR 1 and Green Valley Rd, San Luis Obispo Cty In 2016 there was … Continue reading California State Route 1, SR 46 to SR 1 Bus