APM: 52 Location: US 101 and Davis St, Rio Dell Reassurance shield after the business loop splits. APM: 52 Location: US 101 and Davis St, Rio Dell Reassurance shield after the Davis St interchange. APM: 51 Location: US 101 and Main St, Humboldt Cty Exit for Scotia as US 101 Business rejoins.  S to SR 254, N to … Continue reading U.S. Route 101, US-101 Bus to US-101 Bus/SR 283