California's Route 46346. Route 46 is from: (a) Route 1 near Cambria to Route 101 near Paso Robles. (b) Route 101 in Paso Robles to Route 99 near Famoso via Cholame Pass.
Route 46 from Route 101 in San Luis Obispo County to Route 99 near Famoso.
There are tons of wineries on Route 46 between Route 1 and Route 41. There aren't any well-known ones here though. Route 46 slices through Paso Robles, Blackwells Corner at Route 33, Lost Hills, Wasco, and Famoso. California State Highways (Pull-down) California State Highways (Tables) The Main Page