APM: 54 Location: US 101 and SR 46, Paso Robles Reassurance shield as 46 joins 101. APM: 55 Location: US 101 and Spring St, Paso Robles Just ahead, exit for Spring St, which is US 101 Business. APM: 55 Location: US 101 and Spring St, Paso Robles Exit for US 101 Business. 46 stays on the freeway.   … Continue reading California State Route 46, US-101 to US-101 Bus