APM: 57 Location: US 101 and SR 46, Paso Robles Reassurance shield as 46 joins 101. APM: 55 Location: US 101 and Pine St, Paso Robles Reassurance shield after the Pine St interchange. Just after Pine St, US 101 Business will merge back on.  S to SR 46, N to US-101 Bus  E to SR 41, W … Continue reading U.S. Route 101, SR 46 to US-101 Bus