APM: 2 Location: Ventura Fwy and Moorpark Fwy, Thousand Oaks Reassurance shield omitting SR 23 as 23 joins the concurrency. APM: 1 Location: Ventura Fwy and Westlake Blvd, Thousand Oaks A couple miles later we’ll approach the 23 south split. APM: 0 Location: Ventura Fwy and Westlake Blvd, Thousand Oaks SR 23 south follows Westlake Blvd. APM: 0 Location: … Continue reading California State Route 23, US-101 to US-101