428. Route 128 is from:
(a) Route 1 near the mouth of the Navarro River to Route 101 near
Cloverdale.
(b) Route 101 to Route 29 in Calistoga.
(c) Route 29 near Rutherford to Route 113 near Davis via Sage Canyon.
Route 128 from:
(a) The mouth of the Navarro River to Route 101 near Cloverdale.
(b) Route 101 to Route 29 at Calistoga.
(c) Route 121 to Route 113 near Davis.
Route 128 comes into glorious (not to mention, famous) Sonoma Valley.
You can learn more of this place by going to Sonoma Travel online.
You'll also pass by the Berryessa Reservoir on part (c).
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