APM: N/A Location: El Camino Real and US-101, Greenfield No reassurance shield as unsigned US 101 Business begins. Location: El Camino Real and Oak Ave, Greenfield 101 Business follows old 101 through downtown Greenfield. Location: El Camino Real and US 101, Greenfield Turn left here for US 101 north. Stay straight to merge onto US … Continue reading U.S. Route 101 Business, US-101 to US-101