312. Route 12 is from:
(a) Route 1 near Valley Ford to Route 121 near Sonoma via Santa Rosa.
(b) Route 29 in the vicinity of Napa to Route 80 near Cordelia.
(c) Route 80 near Fairfield to Route 99 near Lodi via Rio Vista.
(d) Route 99 near Lodi to Route 88 near Lockeford.
(e) Route 88 near Clements to Route 49 near San Andreas.
Route 12 from:
(a) Route 1 near Valley Ford to Route 101 at Santa Rosa.
(b) Route 101 near Santa Rosa to Melita Road near Santa Rosa.
(c) Route 29 in the vicinity of Napa to Route 80 near Cordelia.
(d) Route 80 near Fairfield to Route 99 near Lodi via Rio Vista.
(e) Route 99 near Lodi to Route 88 near Lockeford.
(f) Route 88 near Clements to Route 49 near San Andreas.
From Stony Point Road past Route 101 to one mile east of Route 101.
Route 12 from Route 101 near Santa Rosa to Route 121 near Sonoma.
From Route 101 to Sonoma, you come into the world-famous Sonoma
County Wineries. That's why this portion of the route is listed as
scenic. To learn more about Sonoma County, go to the Sonoma Travel
web page. To learn even more, go to Sonoma.net.
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