APM: 46 Location: SR 116 and SR 121, Sonoma Cty Reassurance shield as SR 116 begins. I was heading against traffic heading back to San Francisco on a Sunday afternoon. APM: 44 Location: SR 116 and Arnold Dr, Sonoma Cty A mile into the route, SR 116 turns left. APM: 41 Location: SR 116 and Adobe Rd, Sonoma … Continue reading California State Route 116, SR 121 to US-101